The Everchanging Computer

Question 1

Define A Computer

Answer 1

A programmable computing device that can process, store, and retrieve data.

Question 2

A programmable computing device that can process, store, and retrieve data.

Answer 2

A Computer

Question 3

The Computer Data

Answer 3

Is processed according to the software’s instructions or commands

Question 4

Is processed according to the software’s instructions or commands

Answer 4

The Computer Data

Question 5

The term “computers”

Answer 5

Originates as a word referring to someone who manually carried out calculations instead of an actualt machine

Question 6

Originates as a word referring to someone who manually carried out calculations instead of an actualt machine

Answer 6

The term “computer”

Question 7

1940s 1950s

Answer 7

Large machines consisting of thousandts of vacuum tubes were part of the early digital computers built in this period

Question 8

Year of the large machines consisting of thousandts of vacuum tubes were part of the early digital computers built in this period

Answer 8

The 1940s and 1950s

Question 9

Two distinct families of computing

Answer 9

Digital Computers
Analog Computers

Question 10

Define Digital Computers

Answer 10

A sequential device that operates data one at a time. The data are represented in the binary gormat of “0” and “1”, a single trandistor is used to symbolize a binary digit

Question 11

A sequential device that operates data one at a time. The data are represented in the binary gormat of “0” and “1”, a single trandistor is used to symbolize a binary digit

Answer 11

Digital Computers

Question 12

Analog Computers

Answer 12

The representation of data reflects the properties of the data being modeled in an analog computer.

Question 13

The representation of data reflects the properties of the data being modeled in an analog compter.

Answer 13

Analog Computers

Question 14

James Thomson

Answer 14

He did the early foundational work on analog computation in the 19th century. He invented a wheel and a disc integrator used in mechanical analog devices.

Question 15

He did the early foundational work on analog computation in the 19th century. He invented a wheel and a disc integrator used in mechanical analog devices.

Answer 15

James Thomson

Question 16

Vannevar Bush

Answer 16

He developed the first large-scale, general-purpise analog computer called ghe “Differential Analyzer.”

Question 17

He developed the first large-scale, general-purpise analog computer called ghe “Differential Analyzer.”

Answer 17

Vannevar Bush

Question 18

What can symbolize one continuouzs vatiable in an Analog computer

Answer 18

A single capacitor

Question 19

What are needed in a digital computer

Answer 19

Various transidtors

Question 20

Generations of Digital Computers

Answer 20

Vacuum Tubes (First Generation)
Transistors (Second Generation)
Integrated Circuits (Third Generation)
Microprocessors (Fourth Generation)

Question 21

Define Vacuum Tubes (First Generation)

Answer 21

These devices depended on the flow of electric current through a vacuum.

Question 22

Transistors (Second Generation)

Answer 22

Is the fundamental building block in modern electronic systems for revolutionizing the field of electronics.

Question 23

These devices depended on the flow of electric current through a vacuum.

Answer 23

Vacuum Tubes (First Generation)=

Question 24

Is the fundamental building block in modern electronic systems for revolutionizing the field of electronics.

Answer 24

Transistors (Second Generation)

Question 25

Integrated Circuits (Third Generation)

Answer 25

Consists of a set of electronic circuits on a small chip of semiconductor material smaller than a circuit made of independent components.

Question 26

Consists of a set of electronic circuits on a small chip of semiconductor material smaller than a circuit made of independent components.

Answer 26

Integrated Circuits (Third Generation)

Question 27

Who is Jack Kilby of Texas

Answer 27

He invented the integrated circuit in 1958

Question 28

He invented the integrated circuit in 1958

Answer 28

Jack Kilby of Texas

Question 29

Microprocessors (Fourth Generation)

Answer 29

It was the first semiconductoe device that provided the functions of a computer at a chip level

Question 30

What was the world's first microprocessor

Answer 30

The Intel P4004 1969 Microprocessor

Question 31

The Intel P4004 1969 Microprocessor

Answer 31

The world's first Microprocessors

Question 32

All computers consist of two basic parts

Answer 32

Hardware and Software

Question 33

Define Hardware

Answer 33

It is the physical part of the machine

Question 34

Define Software

Answer 34

It is a set of instructions that commands the computer what to do

Question 35

Input Unit

Answer 35

A computer system responds to the insteuctions it receives from the users and uses an input unit to acquite those instructions.

Question 36

A computer system responds to the insteuctions it receives from the users and uses an input unit to acquite those instructions.

Answer 36

Input Unit

Question 37

Central Processing Unit (CPU)

Answer 37

Understands the command and how it can be achieved. It converts the data in human language into machine language

Question 38

Understands the command and how it can be achieved. It converts the data in human language into machine language

Answer 38

Central Processing Unit (CPU)

Question 39

CPU has 3 main components

Answer 39

Memory Unit Control Unit Arithmetic-Logical Unit (ALU)

Question 40

Define Memory Unit

Answer 40

It is where all the information becomes avilable, and bits and bytes (8 bits) are used to measure data size

Question 41

It is where all the information becomes avilable, and bits and bytes (8 bits) are used to measure data size

Answer 41

Memory Unit

Question 42

Define Control Unit

Answer 42

The central component of the CPU. It is where the data conversion from human language to machine language occurs.

Question 43

The central component of the CPU. It is where the data conversion from human language to machine language occurs.

Answer 43

Control Unit

Question 44

Arithmetic-Logical Unit (ALU)

Answer 44

This processor is responsible for mathematical calculations and issues the computer system deals with while funftioning. Also used for data comparison and decision-making

Question 45

This processor is responsible for mathematical calculations and issues the computer system deals with while funftioning. Also used for data comparison and decision-making

Answer 45

Arithmetic-Logical Unit

Question 46

Output Unit

Answer 46

The data is fed to, where the result is shown.

Question 47

The data is fed to, where the result is shown.

Answer 47

Output Unit

Question 48

Operating System (OS)

Answer 48

A collection of software programs and commands that control computer hardware to make it usable.

Question 49

A collection of software programs and commands that control computer hardware to make it usable.

Answer 49

Operating System (OS)

Question 50

Advantages of Operating System

Answer 50

Abstraction Executable Programs User-friendly

Question 51

Define Abstraction

Answer 51

Allow users to hide details of hardware by creating an abstraction

Question 52

Define Executable Programs

Answer 52

Offer an environment where users may execute programs or applications

Question 53

Define User-friendly

Answer 53

Provides the computer system with easy-to-use format resources

Question 54

Disadvantages of Operating System

Answer 54

Volatility Expensive Unpredictable

Question 55

Define Volatility

Answer 55

Users may lose all the contents stored in the computer system whenever an issue occurs

Question 56

Define Expensive

Answer 56

OS software is costly for sml organizations, which can cause an additional financial burden

Question 57

It is never secure, as threats can happen anytime

Answer 57

Unpredictable