Computer - Comprehensive Mock Test 4

Question 31 Medium

Which of the following do digital signatures provide

A) Confidentiality and integrity of data B) Confidentiality C) Authentication and confidentiality of data D) Authentication and integrity of data

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Solution Breakdown:

A digital certificate, an electronic document that contains the digital signature of the issuing certificate authority, binds together a public key with an identity and can be used to verify that a public key belongs to a particular person or entity. source https://searchsecurity.techtarget.com/definition/digital-signature

Question 32 Medium

RAM is considered volatile storage, which means it is

A) random B) optional C) permanent D) temporary

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Solution Breakdown:

No Details

Question 33 Medium

________tags on goods enable the tracking of the good electronically

A) ASTM B) GPS C) RFID D) ISP

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Solution Breakdown:

RFID is an acronym for “radio-frequency identification” and refers to a technology whereby digital data encoded in RFID tags or smart labels are captured by a reader via radio waves. source https://www.abr.com/what-is-rfid-how-does-rfid-work/

Question 34 Easy

Usually, installation files have the extension

A) .jpeg B) .gif C) .exe D) .doc

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Solution Breakdown:

No Details

Question 35 Medium

An Integrated circuit, also referred as IC chip is a set of electronic circuit on a small plate is made of

A) Copper B) Silicon C) Silica D) Chromium

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Solution Breakdown:

No Details

Question 36 Medium

In MS Excel, what is function inside another function called?

A) Round function B) Sandwich function C) Switch function D) Nested function

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Solution Breakdown:

No Details

Question 37 Easy

ALU is a part of a computer is _______

A) Application B) ROM C) RAM D) Processor

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Solution Breakdown:

No Details

Question 38 Easy

Choose odd one out

A) Cyberspace B) Internet C) HTML D) WWW

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Solution Breakdown:

No Details

Question 39 Easy

MICR stands for?

A) Magnetic Ink Character Reader B) Magnetic Ink Code Reader C) Magnetic Ink Cases Reader D) None

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Solution Breakdown:

No Details

Question 40 Medium

A light sensitive device that converts drawing, printed text or other images into digital form is?

A) Keyboard B) OMR C) Scanner D) None of these

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Solution Breakdown:

No Details