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Computer Aptitude (NCO)

Description: General knowledge
Number of Questions: 15
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Tags: Computers Computer Aptitude (NCO) Computer Basic Computer Aptitude
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What does CSS stand for?

  1. Cascading Style Sheets

  2. Computed Software Scanners

  3. Computer Software Sheets

  4. Computer Sound Cards

  5. None of these

Show answer
Correct Option: A
Explanation:

Cascading style sheets is a  mechanism for adding fonts, colours, spacing and other styles to web documents.

Which of the following is not true about CD-ROM?

  1. It is an optical compact disc which contains data.

  2. Computers can read and write CD-ROM.

  3. Rainbow books are associated with CD-ROM.

  4. It stores computer data in the form of text and graphics.

  5. None of these

Show answer
Correct Option: B
Explanation:

CD-ROM is not writable or erasable.

Which of the following best defines the saying that a computer program is only as good as the information that is put into it?

  1. GIGO

  2. FIFO

  3. OLTP

  4. CGI

  5. None of these

Show answer
Correct Option: B
Explanation:

FIFO (first in first out) is a method of processing and retrieving data in which the entity that first exits is the one that is first entered.

Identify the incorrect statement.

  1. RAM is not permanent memory.

  2. Unlike RAM, ROM is non-random memory.

  3. The speed of a CPU is measured in megahertz and gigahertz.

  4. The speed at which a CPU executes instructions is called the clock rate.

  5. None of these

Show answer
Correct Option: B
Explanation:

Both RAM and ROM allow random access.

Which of the following is/are correct about Mbps?

  1. Megabits per second

  2. Megabytes per second

  3. Million bits per second

  4. Mbps is used to measure data transfer speed of high bandwidth connections.

  5. Both (1) and (4)

Show answer
Correct Option: E
Explanation:

Both (1) and (4) are correct options.

Desktop, tablets, laptops, calculators and smartphones are

  1. minicomputers

  2. microcomputers

  3. supercomputers

  4. mainframe computers

  5. None of these

Show answer
Correct Option: B
Explanation:

These are microcomputers.

Find the odd one out.

  1. Printer

  2. Microphone

  3. Scanner

  4. Keyboard

  5. Webcam

Show answer
Correct Option: A
Explanation:

Printer is an  output device.

The speedometer of a car is an example of

  1. analog computers

  2. digital computers

  3. hybrid computers

  4. Both 1 and 3

  5. Both 2 and 3

Show answer
Correct Option: A
Explanation:

The speedometer of a car is an example of analog computers.

Which of the following is/are associated with first generation computers?

  1. Integrated circuits

  2. Transistors

  3. ENIVAC

  4. Vaccum tubes

  5. Both 3 and 4

Show answer
Correct Option: E
Explanation:

Both 3 and 4 are associated with first generation computers.

Which of the following is not true?

  1. High-level programming languages are translated into machine language by compiler.

  2. ABC was the first automatic electronic digital computer.

  3. Byte represents a character.

  4. Plotter is an output device.

  5. None of these

Show answer
Correct Option: E
Explanation:

All are true.

What does HTTPS stand for?

  1. Hypertext Transfer Protocols Secure

  2. HyperText Transport Protocol Secure

  3. Hypertext Transfer Protocol System

  4. Hypertext Transport Protocol System

  5. None of these

Show answer
Correct Option: B
Explanation:

HTTPS is an acronym for Hyper Text Transport Protocol Secure.

A kilobyte is equal to 1024

  1. bytes

  2. megabytes

  3. gigabytes

  4. bits

  5. None of these

Show answer
Correct Option: A
Explanation:

A kilobyte is equal to 1024 bytes.

In which of the following network topologies does every device have exactly two neighbours to communicate message?

  1. Ring topology

  2. Bus topology

  3. Tree topology

  4. Star topology

  5. None of these

Show answer
Correct Option: A
Explanation:

In ring topology, all of the nodes are connected in a closed loop. Messages travel around the ring.

_____ are temporary storage areas for data.

  1. Hard disk drives

  2. Registers

  3. RAM disks

  4. Both 2 and 3

  5. None of these

Show answer
Correct Option: B
Explanation:

Registers are temporary storage areas for data.

Which of the following is/are multi user computer system(s)?

  1. Work station

  2. Mini computer

  3. Main frame computer

  4. Both 1 and 3

  5. Both 2 and 3

Show answer
Correct Option: E
Explanation:

Both 2 and 3 are multi user computer systems.

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