Digital | MCQs

Explanation

A digital signature verifies the authenticity of an email by confirming the sender's identity and ensuring the message hasn't been altered.

It uses cryptography to validate the sender's identity and ensure the integrity of the email content.

Explanation

The basic unit of digital information is a "bit,

A bit is the smallest unit of data in a computer.

A bit has a single binary value, either 0 or 1.

Multiple bits are combined to form more complex data units like bytes (8 bits), kilobytes, megabytes, etc.

Explanation

Pakistan planned the 7th and digital census from 01 Feb 2023 to 04 Mar 2023.

It will be conducted by the Pakistan Bureau of Statistics.

Before this, census was conducted in 2017.

Explanation

Khyber District is a district in Peshawar Division of Khyber Pakhtunkhwa province in Pakistan.

Explanation

 The Punjab government on November 28, 2022 launched a Web 3.0 portal to become the first province in the country to introduce the third generation of the World Wide Web.

Explanation

 The Punjab government on November 28, 2022 launched a Web 3.0 portal to become the first province in the country to introduce the third generation of the World Wide Web.

Explanation

The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor.

It tells the:

computer's memory,

arithmetic/logic unit

and input and output devices

Explanation

In computer architecture, 8-bit integers or other data units are those that are 8 bits 

Unit of: digital information, data size

Unit system: unit derived from bit

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Explanation

John Vincent Atanasoff invented the first digital computer in 1930. 

The inventor of the first Digital Computer belonged to the country: USA

John Vincent Atanasoff died in 1995.

Digital computer:

The Digital Computer operates on a Binary system

Explanation

Laser technology is used in compact disc

Compact Disc is an example of Optical Storage

James T. Russell invented C.D. (Compact Disc).

 co-developed by Philips and Sony to store and play digital audio recordings.

history

 In August 1982, the first compact disc was manufactured.

It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc.

It was released on March 2, 1983, in North America and Europe.

FIA CBT VU PAPER 22-12-2021

ND30-4-2023