Computer | MCQs

Explanation

The first firm to mass-market a microcomputer as a personal computer was Radio Shaks

Release date: August 3, 1977; 45 years ago

The name is an abbreviation of Tandy Radio Shack, Z80 [microprocessor].

 It is one of the earliest mass-produced and mass-marketed retail home computers.

Explanation

The most significant difference that you should note here is that a calculator just performs arithmetical operations, whereas a computer can carry out arithmetical as well as logical operations.

Thus, a computer can solve highly complex problems.

Explanation

So Utility Bus is not a type of bus used in computer architecture, hence option 4 is the correct answer.

Address bus - carries memory addresses from the processor to other components such as primary storage and input/output devices. 

Data bus - carries the data between the processor and other components. 

Control bus - carries control signals from the processor to other components.

Explanation

A set of instructions that directs a computer's hardware to perform a task is called a program, or software program.

The two main types of software are system software and application software

Explanation

A video game is played on a Graphics Card

Explanation

The main difference between a mainframe and a super computer of Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently.

Explanation

connectivity the state of being connected or interconnected.

Explanation

A scanner is an input device that scans documents such as photographs and pages of text. A scanner is not an external memory.

Explanation

One of the first calculating devices made by man is called an abacus

the abacus was first used by the Babylonians as early as 2,400 B.C

The abacus was in use in Europe, China, and Russia

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ND8-1-2023

Explanation

The UNIVAC was the first commercial computer delivered to a business client, the U.S. Census Bureau in 1951.