Alien head

Computer Basics

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1 KB =_____________

  1. 1024 Bytes

  2. 1 KB

  3. 360 KB

  4. 1 Bits


Correct Option: A

Control unit is the ______________ of a computer.

  1. Brain

  2. Heart

  3. Central Nervous System

  4. None of these.


Correct Option: A

The translator which translates high level language into machine language step by step is called _____________.

  1. compiler

  2. debugger

  3. interpreter

  4. assembler


Correct Option: C
Explanation:

Option 3 is the correct answer.

The secondary memory is faster than the primary memory.

  1. True

  2. False


Correct Option: B

Which one of the following is not an input device?

  1. Magnetic ink character reader

  2. Microphone

  3. Scanner

  4. Plotters


Correct Option: D

______________ is the first known calculating device.

  1. ENIAC

  2. ABACUS

  3. Difference Engine

  4. Pascal' s Calculator


Correct Option: B
Explanation:

Option 2 is correct. 

Which one of the following is system software?

  1. Spreadsheet package

  2. Word processor

  3. Compiler

  4. DTP


Correct Option: C

Which one of the following is a secondary memory device?

  1. RAM

  2. Magnetic tape

  3. ROM

  4. PROM


Correct Option: B

The machine language of all computers is identical.

  1. True

  2. False


Correct Option: A

Fourth generation languages are

  1. Procedural languages

  2. Non-Procedural languages


Correct Option: B

Volatile memory is a memory whose contents are not lost when power is switched off.

  1. True

  2. False


Correct Option: B

ROM store permanent programs & other types of information, which are needed by the computer to execute user programs.

  1. True

  2. False


Correct Option: A

1 Nibble =___________

  1. 8 bits

  2. 4 bits

  3. 1 byte

  4. 1024 bytes


Correct Option: B

VDU stands for___________

  1. Visual digital unit

  2. Visual display unit

  3. Video digital unit

  4. Video disk unit


Correct Option: B

Personal computers that we use fall into __________ category.

  1. Mainframe computer

  2. Mini computer

  3. Micro computer

  4. None of the above


Correct Option: C
Explanation:

Personal computers, contains articles related to those Micro computers being used by individual people primarily for (home)office/productivity applications.

Interpretation of instructions in a computer is done by

  1. Control unit

  2. Registers

  3. ALU

  4. None of these


Correct Option: A

EPROM stands for ______________

  1. Erasable & programmable read only memory

  2. Electrically programmable read only memory

  3. Erasable programmed read only memory

  4. Electrically programmed read only memory


Correct Option: A
Explanation:

Correct Answer: Erasable & programmable read only memory

Converting stored or transmitted data to a coded form in order to prevent its unauthorized use is called_____________

  1. Ergonomics

  2. Encapsulation

  3. Emulation

  4. Encryption


Correct Option: D

The concentric circles in a floppy are called

  1. Sectors

  2. Cylinders

  3. Tracks

  4. None of these


Correct Option: C

Which one of the following is a non-impact printer?

  1. Drum printer

  2. Laser printer

  3. Daisy wheel printer

  4. Chain printer


Correct Option: B

The access method used for magnetic tape is___________

  1. Direct

  2. Random

  3. Sequential

  4. None of the above


Correct Option: C

Low-level languages are machine dependent.

  1. True

  2. False


Correct Option: A

In a disk system, the time required for a read/write head to move to the track where the record to be read or written is stored is called________________

  1. Seek time

  2. Rotational delay

  3. Latency time

  4. None of the above


Correct Option: A

The ability to run more than one program at a time in the same computer is called________

  1. Batch processing

  2. Microprogramming

  3. Multiprogramming

  4. Real time system


Correct Option: C

The technology used in third generation computers were

  1. Large scale integrated circuits

  2. Vacuum tubes

  3. Integrated circuits

  4. Transistors


Correct Option: C
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