Computer Fundamentals Section | Basic Computer Knowledge

1.

Control Unit of a digital computer is often called the

   A.) Nerve center
   B.) Clock
   C.) ICs
   D.) All of the above

Answer: Option 'A'

​Nerve center

2.

Which access method is used for obtaining a record from a cassette tape?

   A.) Direct
   B.) Sequential
   C.) Random
   D.) All of the above

Answer: Option 'B'

Sequential

3.

The first practical commercial typewriter was invented in 1867 in the United States by

   A.) Christopher Latham Sholes
   B.) Carlos Glidden
   C.) Samuel Soule
   D.) All of the above

Answer: Option 'D'

All of the above

4.

A hybrid computer is the one having the combined properties of

   A.) analog and digital computers
   B.) super and mini computers
   C.) mini and micro computers
   D.) super and micro computers

Answer: Option 'A'

analog and digital computers

5.

Name of the first guided weapon in the world which used a programmable digital computer:

   A.) Sting Ray Torpedo
   B.) Mk 46 Torpedo
   C.) Air-Launched Cruise Missile (ALCM)
   D.) Tomahawk Missile

Answer: Option 'A'

Sting Ray Torpedo

6.

The symbols used in an assembly language are

   A.) Codes
   B.) Mnemonics
   C.) Assembler
   D.) All of the above

Answer: Option 'B'

Mnemonics

7.

The main purpose of time sharing techniques used in computers is to make the best use of the

   A.) CPU
   B.) peripherals
   C.) seconday storage
   D.) floppy disks

Answer: Option 'A'

CPU

8.

UNIVAC is

   A.) Universal Automatic Computer
   B.) Unique Automatic Computer
   C.) Universal Array Computer
   D.) Unvalued Automatic Computer

Answer: Option 'A'

There are no computers with the name as in other options. UNIVAC was the first general purpose electronic digital computer designed for commercial use, produced by Universal Company Accounting John Mauchly and J.P.Eckert in 1951.

9.

Which is another name for functional language?

   A.) Machine
   B.) Application language
   C.) Low-level language
   D.) High-level language

Answer: Option 'B'

​Application language

10.

The transistorized computer circuits were introduced in the

   A.) First generation
   B.) Second generation
   C.) Third generation
   D.) Fourth generation

Answer: Option 'B'

Second generation

11.

A directly accessible appointment calendar is a feature of a _____ resident package.

   A.) CPU
   B.) Memory
   C.) Buffer
   D.) ALU

Answer: Option 'B'

Memory

12.

What difference does the 5th generation computer have from other generation computers?

   A.) Technological advancement
   B.) Scientific code
   C.) Object Oriented Programming
   D.) All of the above

Answer: Option 'A'

Technological advancement

13.

The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as

   A.) CPU
   B.) Control Unit
   C.) I/O unit
   D.) Peripheral unit

Answer: Option 'A'

CPU

14.

Computers that are portable and convenient to use for users who travel, are known as

   A.) supercomputers
   B.) minicomputers
   C.) laptops
   D.) mainframe computers

Answer: Option 'C'

laptops

15.

The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?

   A.) Monitors the flow of information
   B.) Activates the output device
   C.) Communicates its results
   D.) Control the printer

Answer: Option 'A'

​Monitors the flow of information

16.

A memory space used for the temporary storage of data is

   A.) PROM
   B.) SAM
   C.) Scratchpad storage
   D.) Buffer

Answer: Option 'C'

Scratchpad storage

17.

Which of the following is fastest type of computer?

   A.) Laptop
   B.) Notebook
   C.) Personal computer
   D.) Super computer

Answer: Option 'D'

Super computer

18.

EBCDIC stands for

   A.) Extended Binary Case Decimal Interchange Code
   B.) Extended Bit Case Decimal Interchange Code
   C.) Extended Bit Cod Decimal Interchange Code
   D.) Extended Binary Coded Decimal Interchange Code

Answer: Option 'D'

EBCDIC is an 8-bit binary code for large IBM mainframes primarily wherein each byte represent an alphanumeric character or two decimal digits. 256 characters can be encoded using EBCDIC ..

19.

What is meant by quad-density (QD) diskette?

   A.) It is double-sided disk
   B.) It is double density disk
   C.) It has double the number of tracks per inch
   D.) All of the above

Answer: Option 'D'

All of the above

20.

The time taken for the read/write head to move to the correct track on the magnetic disk is called

   A.) epoch delay
   B.) latency delay
   C.) seek time
   D.) approach time

Answer: Option 'C'

​seek time

21.

The function of CPU is

   A.) to provide a hard copy
   B.) to read, interpret and process the information and instruction
   C.) to communicate with the operator
   D.) to provide external storage of text

Answer: Option 'B'

​to read, interpret and process the information and instruction

22.

One of the main feature that distinguish microprocessors from microcomputers is

   A.) words are usually larger in microprocessors
   B.) words are shorter in microprocessors
   C.) microprocessor does not contain I/O devices
   D.) exactly the same as the machine cycle time

Answer: Option 'B'

​words are shorter in microprocessors

23.

The first electronic digital computer contained?

   A.) Electronic valves
   B.) Vacuum tubes
   C.) Transistors
   D.) Semiconductor memory

Answer: Option 'B'

​Vacuum tubes

24.

Which part interprets program instructions and initiate control operations.

   A.) Input
   B.) Storage unit
   C.) Logic unit
   D.) Control unit

Answer: Option 'D'

Control unit

25.

Who designed the first electronics computer – ENIAC?

   A.) Joseph M. Jacquard
   B.) J. Presper Eckert and John W Mauchly
   C.) Van-Neumann
   D.) All of above

Answer: Option 'B'

J. Presper Eckert and John W Mauchly


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