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Computer > History Of Computer > Flashcards

History Of Computer Flashcards

1
Q

Computer is an _____

A

Electronic device

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2
Q

SMPS full form

A

Switch Mode Power Supply

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3
Q

SMPS work

A

To convert AC to DC

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4
Q

Purpose of computer

A

Data >process > information

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5
Q

Input raw facts is called ?

A

Data

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6
Q

Processed output data is called

A

Information

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7
Q

Highly processed data?

A

Knowledge

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8
Q

Computer full form?

A

Commonly operated machine purposely used for technology , education and research

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9
Q

Meaning of ‘putre’ in computer?

A

Calculation or reckoning

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10
Q

Computer word is first time used in which book and by whom

A

The Young men’s Gleanings by Richard Braithwaite

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11
Q

Types of data?

A

2 ,numeric and non Numeric

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12
Q

Numeric data ?

A

On which we can apply calculation
Ex-Mark,salary ,bank balance

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13
Q

Non Numeric data ?

A

On which we cannot apply calculation
Ex-Aadhar number ,Pan number

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14
Q

1st idea of computer came from which Machine?

A

Abacus

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15
Q

Abacus is also called _____

A

MC (mechanical calculator)

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16
Q

Abacus Inventor ?

A

Tim Crammer

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17
Q

Origin country of Ababus

A

China

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18
Q

Japanese name of Abacus

A

Saroban

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19
Q

Abacus work

A

Integer value add,substraction, multiplication

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20
Q

Napier bones inventer

A

John Napier

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21
Q

Napier bones use

A

All values add ,sub,mul, division

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22
Q

No of rods

A

11

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23
Q

CPU is also known as

A

Processor ,micro processor ,microchip

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24
Q

Components of CPU

A

ALU (arithmetic logic unit)
MU(memory unit)… primary memory
CU(control unit)

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25
Q

Modem full form

A

Modulator Demodulator

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26
Q

Modem work

A

Phone line se connect

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27
Q

The system unit is know as

A

Chassis ,tower

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28
Q

Mother board is main ____of computer .It is also known as ____

A

Circuit board ,…Main board or system board

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29
Q

An electronic line that connects OS from one place to another and connect different components of computer.

A

Bus

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30
Q

What are the sockets into which adapters are connected?

A

Expansion slot

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31
Q

Types of BuS?

A

2 types -internal and external bus

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32
Q

Types of internal /system bus?

A

ACD
Data bus(data carry)
Adress Bus (adress Bus)
Control Bus(control signal or command carry)

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33
Q

The space inside computer where harddrive, floppy drive and CD rom drive sits.

A

Bays

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34
Q

PS2 port full form and it is used for ?

A

Personal system ,to connect keyboard and mouse

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35
Q

Usb full form

A

Universal serial bus

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36
Q

Ethernet port use?

A

Lan wire connect
And NIC connect (network interface card)

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37
Q

Serial port is used for

A

Dial up modem.
(Serial-dial)

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38
Q

Parallel port is used to connect

A

Printer(25 pin)

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39
Q

Full form of VGA and number of pins

A

Video graphic array ,pins -15

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40
Q

Vga is used to connect

A

Monitor and cpu(only video transfer)

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41
Q

HDMI cable full form and use

A

High definition multimedia interface
Use-Audio and video transfer

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42
Q

HDMI cable is connected between __ and ___

A

Monitor and CPU

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43
Q

Avi port full form

A

Audio video interleave

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44
Q

Fireware is used to connect ——-

A

Digital Camcorder Connect

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45
Q

Fireware standard?

A

IEEE 1394

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46
Q

Upper deck of Abacus is known as ____and each bud value is ____

A

Heaven ,value 5

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47
Q

Lower deck is known as ___ and each bud value ___

A

Earth , each bud- 1

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48
Q

USB A ,B use

A

UsB A-computer and power outlet
uSB B- connect printer or external hard drives

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49
Q

Which USB is used to connect mobile devices including MP3 players and cameras?

A

Mini USB

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50
Q

_____USB allows data to be read without needing a computer.

A

Micro USB

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51
Q

____usb is used for high speed data transfer ,charge quickly

A

uSB C

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52
Q

Log inventor?

A

John napier

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53
Q

Pascaline alternate name ? and invented by?

A

Adding machine (asila napier bones pare and machine eita..but only add ,sub haba)
-By Blaze Pascal

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54
Q

Which was the 1st machine for addition and subtraction?

A

Pascaline

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55
Q

First machine for addition,substraction ,mul and division ?

A

Lebneitz wheel

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56
Q

Leibnitz wheel is invented by Whom and its alternate name is?

A

Gottfried Leibnitz
-Stepped Reckoner ,Reckoning Machine

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57
Q

Differential and analytical engine are prepared by whom?

A

Charles Babbage

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58
Q

Father of computer and Father of modern computer

A

Both Charles Babbage

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59
Q

Father of modern computer science

A

Alan turing

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60
Q

First programmer

A

Ada lorvance Agasta

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61
Q

Name of idea of punch card and inventor of punch card respectively

A

Jacquord loom ,Harman Holerith

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62
Q

Inventor of Tabulating Machine

A

Harman holerith

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63
Q

Tabulating machine name changed to

A

Computing and tabulating Recording Company»International Business Machine

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64
Q

Word’s 1st computer

A

Mark 1

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65
Q

Mark 1 is also known as

A

Electro Mechanical Computer and 1st mainframe computer

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66
Q

Mark 1 is developed by

A

Howard Aiken and IBM 4 engineer,1944

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67
Q

1st time ____ type mathmatical operation is solved using Mark 1

A

Long sequence of Arithmetic and logical operation

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68
Q

First electronic computer

A

ENIAC (before 1973)
ABC after 1973

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69
Q

ENIAC full form

A

Electronic numerical integrator and computer

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70
Q

ABC full form

A

Atanasoff Berry Computer

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71
Q

ENIAC and ABC,EDSAC are respectively invented by

A

Eckert and Mauchly. , Atanasoff and Clifford Berry,Wilkes Maurice

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72
Q

Eckart and Mauchly invented which 3 computers

A

ENIAC ,EDVAC,UNIVAC

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73
Q

ENIAC ,EDVAC,UNIVAC full form

A

ENIAC-Electronic numerical integrator and conputer
EDVAC-Electronic discrete variable automatic computer
UNIVAC-Universal automatic computer

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74
Q

1st commercial computer

A

UNivac - universal automatic computer

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75
Q

Idea if stored program by

A

John VOn newman

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76
Q

John Von new man is also known as

A

The father of computer architecture

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77
Q

1st computer in which stored programme is used

A

EDSAC(electronic delay storage automatic calculator)
or Manchester baby

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78
Q

Kaha pare kie asila

A

Abacus&raquo_space; Napier bones&raquo_space; Pascaline&raquo_space;Leibnitz wheel&raquo_space;Charles Babbage»punch card/ tabulating machine&raquo_space;Mark 1»ENIAC /ABC»EDSAC

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79
Q

Owner of computer

A

Bill gates

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80
Q

Father of personal computer (PC)

A

Ed robert

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81
Q

Father of internet

A

Vinton Cerf

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82
Q

Father of DBMS

A

E.F codd

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83
Q

First freely programmable computer

A

Z1

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84
Q

1st fully automatic digital computer

A

Z3

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85
Q

1st computer company

A

Electronic control company by Eckart and Mauchly

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86
Q

1st IBM computer
2) Z1 and Z2 computer are developed by

A

IBM 701
2)Konard Zuse

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87
Q

1st computer with RAM

A

Whirlwind machine

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88
Q

First micro computer

A

Altair 8800

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89
Q

First micro computer india

A

Siddharth

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90
Q

1st mini computer

A

PDP 1

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91
Q

1st IBM Pc

A

Acorn

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92
Q

First microprocessor

A

Intel 4004

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93
Q

1st microprocessor India

A

Shakti

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94
Q

Generation of computer time period

A

1st - 1949-1956
2nd -1956-1964
3rd-1964-1972
4th- 1972-1989
5th 1989-present

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95
Q

Technology used in 1st gen to 5th gen

A

1st- Vaccume tube and valves
2nd -transistor
3rd-Integrated circuit (SSI,MI,LSI)
4th- LSI,VLSI
5th-VLSI ,ULSI

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96
Q

Vaccume tube and valves invented by

A

John Ambross Fleming and Lee the forest

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97
Q

Transistor invented by

A

William shokly and John Bardeen

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98
Q

Integrated circuit is developed by

A

Jack killby and Robert Noycee

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99
Q

Integrated circuit is made up of

A

Silion chip and semiconductor

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100
Q

How many number of gates used in ssi,msi,lsi,vlsi,ulsi

A

Ssi:-10-20
Msi:-100-200
LSI:-1000-2000
VLSI:-10k-20k
Ulsi:-1lac-2lac

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101
Q

1st generation input device

A

Punch card

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102
Q

1st generation language

A

Machine language (low level language)

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103
Q

1st generation storage device

A

Magnetic Drum

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104
Q

1st generation processing

A

Batch processing

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105
Q

1st generation computer list

A

Univac,mark-1,ENIAC,EDVAC,IBM 701,IBM 650

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106
Q

What are two types of computer language

A

1) low level
2) High level

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107
Q

2 types of low level language

A

1) machine language
2) Assembly language

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108
Q

High level language is used from which generation

A

3rd generation

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109
Q

2nd generation language

A

Assembly language

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110
Q

2nd generation input device

A

Punch card

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111
Q

2nd generation primary memory

A

Magnetic core

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112
Q

2nd generation computer list

A

IBM 1401(nepal, mainframe)
Honeywell 400
Mark 3

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113
Q

3rd generation language

A

High level language

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114
Q

Operating system is introduced in which generation

A

3rd generation

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115
Q

Operating system in 3rd generation

A

CUI/CLI:- character user interface/command line interface

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116
Q

Example of CUI/CLI operating system

A

Dos( disk operating system)

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117
Q

3rd generation storage device

A

Hard disk

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118
Q

3rd generation computer list

A

PDP
IBM 360/370
universe 1108

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119
Q

___________ programming is used in 3rd generation

A

Multi programming

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120
Q

4th generation language

A

High level language

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121
Q

4th generation storage device

A

Hard disk

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122
Q

Which operating system is used in 4th generation

A

GUI (Graphical user interface)

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123
Q

Graphical user interface is combination of ________ and ________

A

Menus and icons

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124
Q

Microprocessor,ATM, mouse Is introduced in which generation

A

4th generation

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125
Q

List of commad ?

A

Menu

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126
Q

Small picture representation of file/folder/application ?

A

Icons

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127
Q

4th generation computer list

A

Cray-1
Apple
IBMPC

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128
Q

5th generation types of processor

A

KIPS

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129
Q

KIPS full form

A

Knowledge information processing system

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130
Q

Important technologies those are used for the 1st time in 5th generation are _____

A

Nano technology
Machine learning
Artificial intelligence
Neural network

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131
Q

5th generation which type processing used

A

Parallel processing

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132
Q

5th generation computer list

A

Laptop
Robot
Notebook
Tablets

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133
Q

Types of computer
1) Based on application

A

Analog
Digital
Hybrid

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134
Q

Types of computer
2) based on purpose

A

Special purpose
General purpose

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135
Q

Types of computer
3) based on size and power

A

Micro computer
Mini computer
Mainframe computer
Super computer

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136
Q

Analog computer works on _________ signal

A

analog/continuos signal

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137
Q

2 analog computer example

A

Antikythera( Astronomical calculation)
ECG machine

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138
Q

Which is more accurate Analog or digital

A

Analog

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139
Q

Types of signal in digital computer

A

Digital / discrete signal

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140
Q

One exmaple of digital computer

A

Today computer

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141
Q

______ Is based on counting

A

Digital computer

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142
Q

Digital/discrete signal is represented in which form

A

Binary 0/1

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143
Q

What is hybrid computer

A

Combination of analog and digital computer

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144
Q

One example of hybrid computer

A

Latest petrol pump

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145
Q

Hybrid computer types of signal

A

If input- analog then output - digital
Or
If input- digital then output - analog

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146
Q

Special purpose computer Is also known as

A

Embedded system
Dedicated computer

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147
Q

Example of special purpose computer

A

ATm
digital watch
fully automatic washing machine
Microwave oven
Auto driver mode card
PDA

148
Q

PDA full form

A

Personal digital assistant

149
Q

Example of general purpose computer

A

Today pc, laptop etc

150
Q

Cost and power increasing order of computer

A

Micro
Mini
Mainframe
Super

151
Q

Which is the smallest size computer

A

Micro computer

152
Q

Micro processor manufacturing companies

A

Intel biggest
AmD :- advance micro device
Motorolla

153
Q

Micro computer is Used as_______ computer

A

Client computer

154
Q

Example of micro computer

A

Notebook
Pc
Desktop
Laptop
Tablets etc

155
Q

Resources/ data provide?

A

Server

156
Q

Resources/data access ?

A

Client

157
Q

_______ used as small and medium server

A

Mini computer

158
Q

Full from of pdp

A

Programmed data processor

159
Q

______ used as large server in bank and railways

A

Mainframe computer

160
Q

First mainframe computer

A

Mark 1

161
Q

Super computer is used for which purpose

A

Scientific purpose
Weather forecasting
Rocket

162
Q

Father of super computer

A

Samyour cray

163
Q

First super computer of world

A

Cray.k
CDC 6600

164
Q

First super computer of India

A

Param 8000 (CDC,pune)

165
Q

CDC full from

A

Center of development for advance computing

166
Q

Inventor of EDSAC computer

A

Wikilies Maurice

167
Q

First Tera flop supercomputer

A

Param padam

168
Q

Supercomputers speed measurement unit

A

Flop (floating point operation per second)

169
Q

Top 5 supercomputers of world

A

1)Frontier (us)
2) fugaku (japan)
3) lumi (Finland)
4) Leonardo(Italy,Leonard ku ita maile)
5)summit(us)

170
Q

Top 5 supercomputer of India

A

1)airawat -C.dac (rank 75)
2)Param Siddhi Ai -C.dac (131)
3)Pratyush (iitmn Pune)(169)
4)Mihir (National institute for medium range weather forecasting)(316)

171
Q

Data Measurement Unit

A

Bit>Nibble >Byte>Kilo byte>Mega >Giga >Tera>Peta>Exa>Zetta>Yotta>Bronto>Geop

172
Q

1MB,1 GB ,and 1 TB??

A

1 MB-1 million byte =10⁶
1 GB -1 billion byte=10⁹
1 TB- 1 trillion byte-10¹²

173
Q

Kebi byte,Mebi byte

A

1 kebi byte =2¹⁰ byte
1 Mebi byte =2²⁰ byte
……
1 Geobi byte =2¹⁰⁰ byte

174
Q

Cpu consists of

A

Processor or microprocessor or microchip

175
Q

CPU consists of

A

ALU,CU,Mu
(Arithmetic logic unit ,control unit, memory unit)

176
Q

Function of ALU or arithmetic logic unit

A

Arithmetic (mathematical calculation)
Logic unit (Logical operation)

177
Q

Which is nerve centre of computer

A

CPU

178
Q

CPU control and co-ordinate —-

A

Signal and command

179
Q

Cpu works on — instructions

A

Micro

180
Q

Memory unit of CPU consists of —- memory

A

Primary memory

181
Q

Types of memory

A

Primary memory and secondary memory

182
Q

Primary memory is also known as

A

Main memory or internal memory

183
Q

Secondary memory is also known as

A

Auxiliary memory or external memory

184
Q

Example of primary memory

A

Ram
Rom
Cache memory
Register memory (ram part)

185
Q

Examples of secondary memory

A

Harddisk, pen drive ,CD or DVD, SSd

186
Q

Currently processed data is stored in which part of memory

A

Ram

187
Q

Ram is which type of memory

A

Volatile or temporary memory

188
Q

Which isj waiting room per processor

A

Ram

189
Q

Set of instructions is—

A

Program

190
Q

Program in run stage

A

Process

191
Q

Paging?
Buffer pages?

A

To process a large file by breaking it into pieces for processing.
-those pages that are not in processing currently.

192
Q

Page fault

A

When page is not available in Ram/ memory

193
Q

Page fault occurs when ——-memory is used

A

Virtual memory

194
Q

One page fault occurs more frequently it is known as

A

Thrashing

195
Q

Types of Ram

A

Dram(dynamic ram)
Sram(static ram)
SD ram(synchronous dynamic ram)
V ram (video ram)/graphics card
NV ram (non-volatile ram)

196
Q

Speciality of Dram,Sram,Sdram

A

Dram(need refresh many times)
Sram (faster ram)
SDram (automatically refresh after time interval)

197
Q

Which memory store programs those are helpful to start computer.

A

Rom(read only memory)

198
Q

ROM is volatile or non volatile

A

Non volatile /permanent

199
Q

Rom stored program—–

A

Firmwares

200
Q

What is firmware?

A

The program which is loaded into chip(ROM) during manufacturing

201
Q

Types of ROM

A

PROM(programmable read-only memory)
EP ROM(erasable read-only memory)
EEP ROM(electrically erasable read-only memory)

202
Q

Full form of WORM

A

Write once read many

203
Q

Which ROM is WORM type

A

P rom(programmable RoM)

204
Q

EP rom can be erasable using which Ray

A

U-V ray

205
Q

Cache memory?

A

Stored data of most frequently used apps that will be helpful to access it fast.

206
Q

—–works as interface between secondary memory and CPU

A

Cache memory

207
Q

Cache memory is volatile or nonvolatile

A

Volatile/temporary

208
Q

When RAM is full and a part of hard disc is used as Ram ,it is called

A

Virtual memory

209
Q

Virtual memory is volatile or nonvolatile

A

Volatile and unlimited capacity

210
Q

A set of flip-flops is called

A

Register

211
Q

It stores ——

A

Single binary bit

212
Q

Register directly communicate with —

A

Cpu

213
Q

Types of register?
MAR

A

Memory adress register
-Carry and hold adress

214
Q

MDR/MBR?

A

Memory data register/memory buffer register
-Carry and hold data

215
Q

Accumulator?

A

Most frequently used register/by default register
-intermediate result hold

216
Q

Pc register

A

Program counter
Monitor next instructions
Monitor next program execution, whether program is completed or not.

217
Q

IR regsister full form and use?

A

Instruction register
Final result hold

218
Q

Input output register

A

Input output instruction hold

219
Q

Shift register

A

Left or right shift operation

220
Q

Flag register

A

Conditional instructions hold

221
Q

Which storage device is used for future data to store

A

Secondary storage device

222
Q

Secondary storage device volatile or non-volatile

A

Non volatile

223
Q

Types of secondary storage device Based on access method

A

1)Sequential
2)Index sequential (multivariant)
3)Direct
4)Random

224
Q

Sequential example

A

Cassette tape , Magnetic tape

225
Q

Index sequential example

A

Cd(compact disk)
DVD(digital versatile disk)
BRD(blue ray disk)

226
Q

Direct example?

A

Floppy disk, magnetic disk,hard disk,SSD, pendrive,sdcard etc

227
Q

Random ?

A

Ram

228
Q

How many types of secondary devices based on material or technology used

A

1) Magnetic
2)Optical
3) electronic

229
Q

Magnetic secondary storage devices example?

A

Hard disk
Floppy disk
Magnetic tape
Magnetic disk
Zip drive

230
Q

Optical secondary storage devices example

A

Cd,DVD,brd

231
Q

Electronic secondary storage devices example

A

Pendrive,Micro SD,SSD

232
Q

Inventor of floppy disk

A

Alen Sharget

233
Q

Alternate name of floppy disk

A

Diskette

234
Q

Which are the three parts of a floppy disc and hard disk

A

Disk >track>sector

235
Q

The process of dividing disks into tracks and sector is

A

Formatting (all old data remove)

236
Q

First company to use floppy disk and hard disk

A

IBM

237
Q

___ans ___drives are Reserved for floppy disc

A

A and B

238
Q

Size and capacity of floppy disk

A

Single sided capacity
1)8 inch-100kb
2)5.25 inch- 1.2 mb
3)3.5 inch-1.44 mb

239
Q

3.5 inch floppy disk is divided in

A

Mini (1.4 mb)
Micro(1.44 mb)

240
Q

Inventor of hard-disk

A

Reynold Johnson

241
Q

The part of hard-disk to read and write data is called

A

Head

242
Q

Each disk has ___head

A

2 heads (1 read,1 write)

243
Q

Which helps in head movement

A

Actuator arm

244
Q

Hard Disk alternate name

A

Data platter

245
Q

Set of sectors is called

A

Cluster

246
Q

Metalic body to hold hard disk pack is called

A

Cylinder

247
Q

What is latency time

A

Head ko proper sector reach time

248
Q

Seek time

A

Read and write operation time

249
Q

Access time

A

Combination of latency time and seek time

250
Q

Speed measurement unit of hard disk

A

RPM(rotation/revolution per minute)

251
Q

Backup technology used in harddisk

A

RAID

252
Q

RAID full form

A

Redundant array of independent disk

253
Q

Speed of technology /bus interface used in harddisk

A

ATA(advanced technology attachment)
,SATA(serial advanced technology attachment)
,PATA(parallel advanced technology attachment)
IDE(integrated development equipment)
SCSI-(small computer system interface)
ASPI-advance SCSI programming interface

254
Q

Optical storage is based on which technology

A

Laser technology

255
Q

Diameter and thickness of CD

A

Diameter -120mm/12 cm /4.7 inch
Thickness -1.2 mm

256
Q

DVD full form and size

A

Digital versatile disk
Size- same as CD

257
Q

Capacity of CD and DVd

A

Cd-650-700 mb
Dvd- 4.7 gb

258
Q

BRD full form and size

A

Blue ray disk
Size - same as CD

259
Q

Capacity of BRD

A

25gb

260
Q

CD/DVd/BRd types and their full forms

A

CD-ROm(compact disk read only memory)
CD-RW(compact disk rewritable)
CD-R(compact disk recordable)
CD-WoRM (compact disk write once read many)

261
Q

Electronic storage is known as

A

Flash drive

262
Q

Examples of electronic storage

A

Pendrive,Micro SD card (secured digital)
SSD(solid state drive)

263
Q

2 characteristics of pendrive

A

Flash memory
Plug and play

264
Q

Which is more faster HDD(hard disk drive) or SsD

A

Ssd(as ethire rotation darkar nahi)

265
Q

Inventor of keyboard

A

Christopher Latham sholes

266
Q

Max keyboard used

A

QWERTY

267
Q

First key and last key of keyboard respectively

A

ESc,Enter

268
Q

Longest key

A

Space

269
Q

No name key

A

Space

270
Q

Which keys don’t trigger any action alone

A

Modifier keys/combination keys

271
Q

Which are combination keys

A

Ctrl,Alt, shift , Window

272
Q

Name 4 types of navigation keys

A

Arrow keys
Page up/page down
Home/end
Tab key

273
Q

On/off keys are called

A

Toggle keys

274
Q

3 toggle keys?

A

Capslock
Numlock
scrollock

275
Q

How many keys in numeric keypad

A

17

276
Q

Use of special key (Insert)

A

Overwrite mode on off in word

277
Q

Use of delete key

A

Remove character right side in word

278
Q

Use of backspace key

A

Remove leftside character in word

279
Q

Use of printscreen

A

Full screen screenshot

280
Q

Key combination to take screenshot of selected area

A

Win+shift+S

281
Q

Use of ESC key

A

Slideshow exit in PPT
Pop up window close

282
Q

Total number of function keys?

A

12

283
Q

Use of F1 and F2

A

F1- help
F2-file/folder rename

284
Q

F3 and F5 use

A

F3-search
F5-refresh

285
Q

F4 use

A

Redo in word

286
Q

Which keyboard is best for fast typing

A

DVORAK keyboard

287
Q

Inventor of mouse

A

Douglas Englebert

288
Q

Mouse is also named as

A

Pointing device

289
Q

Use of left button of mouse?

A

Selecting/open of file and folder

290
Q

Use of scroll wheel

A

Scrolling and also clickable

291
Q

Right button of mouse

A

File and folder properties option

292
Q

Use of single click in mouse

A

Selection of file and folder
Cursor position set in Ms word

293
Q

Double click

A

Open file /folder
Word select in MS word

294
Q

Triple click

A

Word me paragraph select

295
Q

Perform automatic action on moving cursor to file/folder/icon

A

Hover

296
Q

Short description,on moving cursor to file/folder/icon

A

Screen tip

297
Q

Types of mouse

A

Mechanical mouse and optical mouse

298
Q

Optical mouse is 2 types and they are..

A

Wired mouse
Wireless mouse

299
Q

Wireless mouse technology used

A

IR(infra Red)
Bluetooth

300
Q

Use of scanner?

A

To convert hard copy(printed document) to soft copy (non editable image /pdf)

301
Q

Types of scanner ?

A

OCR,OMR,BCR,MICR,OTG

302
Q

OCR full form

A

Optical character recognition
(Ex google lense)
Hard copy>soft copy editable

303
Q

OMR full form and use

A

Optical mark reader
Use-Pencil and pen mark read

304
Q

Bcr full form and use

A

Bar code reader
Mall invoice generate

305
Q

Micr full form and use

A

Magnetic ink character recognition
Use-Bank cheque originality check

306
Q

OTG full form

A

On the go

307
Q

Types of printer

A

Impact printer
Non -impact printer

308
Q

Which printer generates sound while printing

A

Impact printer

309
Q

Why impact printer generates sound

A

As printing head strike on page and generate sound

310
Q

Alternate name of non impact printer

A

Page printer

311
Q

Types of impact printer

A

Character printer
Line printer

312
Q

Example of character printer

A

Daisy wheel printer(ex-Golfball printer)
Dot matrix printer (mono/serial printer)

313
Q

Type of line printer

A

Chain printer
Band printer
Drum printer

314
Q

Types of non -impact/page printer

A

Inkjet printer
Laser printer
Thermal printer
Multifunctional printer

315
Q

Speed measurement unit of character printer

A

CPM/CPS(character per min/character per second)

316
Q

Speed measurement unit of line printer and page printer recpectively

A

Lpm(line per min)
Page printer (PPM)-page per min

317
Q

Quality measurement unit

A

DPI(dots per inch)

318
Q

Inkjet printer is also called —printer and which type of ink is used

A

Colour printer , liquid ink

319
Q

___type.of ink is used in laser printer

A

Powder ink

320
Q

Which printer is hig quality printer/max used printer

A

Laser printer

321
Q

Laser printer is also known as

A

Desktop publishing printer

322
Q

Which is inkless printer

A

Thermal printer

323
Q

—-type of ink is used in thermal printer

A

Wax ink

324
Q

Thermal printer are used in

A

Buses, invoice,atm,bills etc

325
Q

For high quality printing or large printing which device is used

A

Plotter

326
Q

Plotter is mainly used for __ printing

A

Flex/Banner printing

327
Q

Which is used for CAD printing and what is full form of CAD?

A

Plotter ,CAD(computer Aided design, architecture printing blueprint)

328
Q

What are types of plotter?

A

Drum plotter and Flat bed plotter

329
Q

Flexy is used for

A

1)Radium printing like Bus/Car no plate printing

330
Q

Full form of COM device and its use?

A

Computer output to micro film
Use-Old camera rim

331
Q

Monitor is also known as __unit.

A

VDU unit (video/visual display unit.)

332
Q

Types of monitor based on colour

A

1)Mono colour (single color)
2.Grey scale(grey colour shadow)
3.Colour Monitor (different colours)

333
Q

Previously on colour monitor we were using 1 colour and now using 2 colour.

A

1)RGB(red ,green ,blue)
2)CMYK(cyan , Magenta, yellow,key colour)

334
Q

Types of monitor based on technology

A

CRT>LCD> LED>OLED>Amoled >TFT>plasma screen

335
Q

CRT full form

A

Cathod ray tube

336
Q

LCD full form

A

Liquid crystal display

337
Q

LED and OLED full form?

A

Light emitting diode
Organic light emitting diode

338
Q

Amoled display

A

Active Matrix oLEd

339
Q

TFT Full form

A

Thin film transistor

340
Q

Smallest part of screen

A

Pixel

341
Q

Set of pixel is called

A

Resolution

342
Q

Measurement unit of Resolution

A

DPI(dots per inch)

343
Q

Printer/plotter/monitor output quality is measured using

A

DPI(dots per inch)

344
Q

Rate at which pixels chang it’s colour

A

Refresh rate

345
Q

Screen measurement is done___

A

Diagonally

346
Q

External devices connected to computer are called

A

Peripheral device

347
Q

Peripheral devices also work as
______ device

A

Input output

348
Q

Example of VDU

A

-VDU(visual display unit)
-Digital camera

349
Q

Components of computer that can be touched (tangible) and seen are called

A

Hardware

350
Q

Examples of hardware

A

Input /output devices, secondary storage devices ,RAm,ROM,cache , register , Processor etc

351
Q

Components that are not touchable (intangible) are called

A

Software

352
Q

Examples of softwares

A

Games ,Msword, notepad , antivirus , browser

353
Q

Se of instructions is known as

A

Program

354
Q

Set of program

A

Software

355
Q

Set of softwares

A

Integrated software/application suite/software package

356
Q

Super computer series by India

A

Param

357
Q

Zip drive storage capacity

A

200-800 mb

358
Q

Types of softwares

A

System software, application software

359
Q

Examples of system software

A

System software -Operating system, utility software, communication software,translators

360
Q

The driver’s of printers and scanners etc are known as ___software.

A

Communication software

361
Q

Translator Alternate name

A

Language processor

362
Q

What is used to convert assembly language I to machine language?

A

Assembler

363
Q

What is used to convert high level language to machine language?

A

Interpreter and compiler

364
Q

Which is better for error finding inbetween compiler and interpreter

A

Interpreter (as it conver line by line)

365
Q

Which is better for faster translator?

A

Conpiler

366
Q

Which converts source code(user) to object code(computer)

A

Translator /language processor

Computer (2 decks)

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