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IT Era > 4 > Flashcards

4 Flashcards

1
Q

THE WORLD OF COMPUTERS

A
  • Basic Computer
    -Major Parts of Computer
  • Capabilities of Computer
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2
Q

is a device that transforms data into meaningful information.

A

Computer

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3
Q

Computer can perform the following set of functions:

A

Accept data
Store data
Process data as desired
Retrieve the stored data as and when required
Print the result in desired format.

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4
Q

: It is the term used for raw facts and figures fed into the computer and along with the set of instructions which enables the computer to convert this raw data into the refined and useful information.

A

Data

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5
Q

Data represented in useful and meaningful form is information.

A

Information

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6
Q

Computers can be categorized into :

A

Digital, Analog and Hybrid

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7
Q

These are the modern computers which are capable of processing information in discrete form.

A

Digital computers

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8
Q

These computers are used to process data generated by ongoing physical processes.

A

Analog computer

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9
Q

These use both analog and digital technology. It has the speed of analog computer and the accuracy of a digital computer.

A

Hybrid Computers

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10
Q

Classification of Digital Computers

A
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11
Q

Classification of Digital Computers

A

Micro computer
Mini computer
Main Frames
Super Computers

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12
Q

These are also known as Personal Computers

A

Micro com.

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13
Q

: These computers can support multiple users working simultaneously on the same machine.

A

Mini com.

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14
Q

These computers are large and very powerful computers with very high memory capacity.

A

Main Frames

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15
Q

: These are fastest and very expensive computers

A

Supercomputers

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16
Q

These devices are used for performing the specific functions and are connected to the computer externally.

A

Peripheral Devices

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17
Q

Peripheral devices are as follows:

A

Keyboard
Mouse
Light Pen
Optical/magnetic Scanner
Touch Screen
Microphone for voice as input
Track Ball
Monitor (Visual Display Unit)
Printers
Plotter
Speakers

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18
Q

Types of software

A
19
Q

Types of software

A

System software
Application software

20
Q

These are those software, without which our PC, laptop won’t run, i.e it is must for a device to be operating.

A

System software

21
Q

ese are those software, without which our PC, laptop can run, i.e this software is not necessary for a device to be operating.

A

Application software

22
Q

:They will just warn you something about malicious activity going around in your computer. It will not steal your information.

A

Hacker

23
Q

They will try to steal your Information without informing you.

A

Cracker

24
Q

is an electronic device, operating under the control of instructions stored in its own memory that can accept data (input), process the data according to specified rules, produce information (output), and store the information for future use.

A

Computer

25
Q

Any kind of computers consists of

A

Hardware
Software

26
Q

refers to the physical parts or components of a computer such as the monitor, mouse, keyboard, computer data storage, hard drive disk (HDD), etc. all of which are physical objects that can be touched.

A

Hardware

27
Q

is a set of instructions, data or programs used to operate computers and execute specific tasks

A

Software

28
Q

is any peripheral (piece of computer hardware equipment to provide data and control signals to an information processing system such as a computer or other information appliance (e.g Keyboard, Mouse, Microphone, Touch Pad)

A

Input devices

29
Q

is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form. (Monitor, Speaker, Printer, Projector)

A

Output devices

30
Q

A typical computer comes down to these essential parts:

A

Case
Power supply
Motherboard
CPU
Hard drive
RAM
Graphics card

31
Q

big hunk of plastic that houses everything else
- stores every computer parts.

A

Case

32
Q

an internal hardware component used to supply the components within the computer with power.

A

Power supply

33
Q

a printed circuit that is the foundation of a computer and allows the CPU, RAM, and all the computer parts to function with each other.

A

Motherboard

34
Q

Responsible for handling all instructions and calculation it receives from other hardware components in the computer and software programs running on the computer. Often referred to as “Brains of computer.”

A

CPU( CENTRAL PROCESSING UNIT)

35
Q

computer’s main storage media device, also called a

A

Hard drive

36
Q

a term used to describe the memory within a computer. RAM requires power; if power is lost, all data is lost.

A

. RAM- short for “Random Access Memory.”

37
Q

an internal circuit board that allows a display device, such as a monitor, to display images from the computer.

A

Graphics card

38
Q

means the duration computer system requires in fulfilling a task or completing an activity. It is well-known that computers need very little time than humans in completing a task.

A

Speed

39
Q

A computer system can replace the functions of all these specialists because of being very versatile

A

Flexibility

40
Q

is the ability of the computer to store data in itself for accessing it again in future. Nowadays, apart from having instantaneous access to data, computers have a huge ability to store data in a little physical space.

A

Storage

41
Q

This is one of the major limitations of computer systems. No matter how efficient, fast and reliable computer systems might be but yet do not have any common sense because no full-proof algorithm has been designed to programmer logic into them.

A

Lack of common-sense

42
Q

They are unable to see and think the actions to perform in a particular situation unless that situation is already programmed into them.

A

Zero IQ

43
Q

complicated process involving information, knowledge, intelligence, wisdom, and ability to judge

A

Lack of Decision-making

44
Q

Question: What are the capabilities of a computer system and what makes computer system reliable?

A

Answer: The capabilities of a computer system are speed, reliability, adaptability, storage and accuracy. Computers systems are well adjusted to perform repetitive tasks. They never get tired, bored or fatigued. Hence, they are a lot reliable than humans.

IT Era (3 decks)

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