Computer Applications Set 1 MCQs

Q1 | Which unit is responsible for converting the data received from the user into a computer understandable format?

Memory Unit

Arithmetic & Logic Unit

Input Unit

Output Unit

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Q2 | The only language which the computer understands is ______________

Assembly Language

Binary Language

BASIC

C Language

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Q3 | The smallest unit of data in computer is ________________

Byte

Nibble

Bit

KB

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Q4 | Which of the following is not a function of the Input Unit?

It reads instructions and data from the outside world

It converts the data into computer acceptable format

It makes the data into user understandable format

It supplies the data and instructions to the computer for further processing

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Q5 | The process of producing useful information for the user is called ___________

Controlling

Outputting

Inputting

Processing

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Q6 | The output unit converts the data entered by the user into computer understandable form.

TRUE

FALSE

none

all

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Q7 | VDU stands for __________

Virtual Display Unit

Visual Display Unit

Virtual Detection Unit

Visual Detection Unit

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Q8 | Which of the following is not a function of the Output Unit?

It produces results that can be easily understood by the user

It accepts the results produced by the computer

It supplies the data and instructions to the outside world

It supplies the data and instructions to the computer for further processing

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Q9 | Components that provide internal storage to the CPU are ______

Registers

Program Counters

Controllers

Internal chips

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Q10 | Saving data and instructions to make them readily available is the job of __________

Storage Unit

Cache Unit

Input Unit

Output Unit

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Q11 | The two basic types of memory in a computer are ________

Primary and major

Primary and Secondary

Minor and Major

Main and virtual

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Q12 | Which of the following is used to hold running program instructions?

Primary Storage

Virtual Storage

Internal Storage

Minor Devices

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Q13 | Which of the following is non-volatile storage?

Backup

Secondary

Primary

Cache

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Q14 | Which of the following is used in main memory?

SRAM

DRAM

PRAM

DDR

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Q15 | Which of the following are types of ROMs?

SROM & DROM

PROM & EPROM

Only one type there is no further classification

PROM & EROM

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Q16 | GUI means:

Graphical user interface

Graphical user interaction

Graphics uniform interaction

None of the above

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Q17 | First graphical user interface used commercially was introduced in

1970

1975

1978

1980

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Q18 | Which type of user interface provide input by typing a string in the keyboard ?

Graphical user interface

Command line user interface

Natural language interface

Menu interface

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Q19 | In graphical user interface of operating system, to point a file, a user uses:

pointer

common line interface

file-based interface

voice based interface

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Q20 | Files and directories of graphical user interface of operating system programs are known as

commands

graphics

text

folders

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Q21 | We write programs in?

Low-Level Language

Middle-Level Language

High-Level Language

D. Decimal-Format

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Q22 | Does compiler read the whole source code at once?

Yes

No

Depends on compiler

Don't know

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Q23 | If an error occurs, what does an interpreter do?

terminate program

stops execution

reads the whole program even if it encounters errors

give warning

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Q24 | If an error occurs, what compiler do?

terminate program

stops execution

reads the whole program even if it encounters errors

give warning

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Q25 | __________ converts the programs written in assembly language into machine instructions.

Machine compiler

Interpreter

Assembler

Converter

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