Computer Knowledge

Computer Fundamentals and System Concepts

2,255 Questions

Computer fundamentals and system concepts questions cover core hardware components, operating systems, and historical computer milestones. Topics include the kernel, central processing unit, and basic computing terminology. These foundational questions are strictly essential for scoring well in computer knowledge sections.

Central processing unitComputer operating systemsSupercomputer milestonesSystem registry functionsKernel operationsAndroid applications

Computer Fundamentals and System Concepts Questions

Multiple choice

Which of the following options best describes a program?

  1. A set of statements

  2. A set of instructions that controls the operation of a computer

  3. A set of syntaxes written one by one

  4. A set of variables used for a single purpose

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Option (2) is correct.

Multiple choice

Which of the following is a hardware?

  1. DOS

  2. BASIC

  3. Wordstar

  4. Monitor

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A monitor is a physical piece of computer equipment, which classifies it as hardware. DOS, BASIC, and Wordstar are software.

Multiple choice

A computer cannot 'BOOT', if it does not have the

  1. Compiler

  2. Loader

  3. Operating system

  4. Assembler

  5. RAM
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Booting is the process of loading the operating system into the computer's memory. Without an operating system, the computer cannot manage hardware or run applications.

Multiple choice

The important unit of a microprocessor is

  1. ALU

  2. Array of registers

  3. Control unit

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A microprocessor consists of an Arithmetic Logic Unit (ALU), a Control Unit, and a set of registers. All these components are essential for its operation.

Multiple choice

An error in a program is also known as

  1. mistake

  2. bug

  3. code

  4. problem

  5. virus

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In computer programming, an error or flaw that causes a program to produce an incorrect or unexpected result is commonly referred to as a bug.

Multiple choice

A software can be basically classified into

  1. basic & system softwares

  2. system & application softwares

  3. compiling & application softwares

  4. all the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Software is broadly categorized into system software (like operating systems) and application software (like word processors).

Multiple choice

Which of the following is the brain of computer?

  1. Control Unit

  2. Monitor

  3. Central Processing Unit

  4. Operating system
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Central Processing Unit (CPU) is responsible for interpreting and executing instructions, making it the brain of the computer.

Multiple choice

Microprocessor is made for

  1. Computer

  2. Digital System

  3. Calculator

  4. Electronic Goods
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Microprocessors were originally developed for computer systems. The Intel 4004, the first commercial microprocessor, was designed for calculating applications, but its primary use was in computers. However, this question is dated as microprocessors are now used in countless devices.

Multiple choice

What do you mean by the term CPU?

  1. Central Power Unit

  2. Central Process Unit

  3. Central Processing Unit

  4. 1 and 2

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

CPU stands for Central Processing Unit, the primary component of a computer that acts as its brain.