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

The structure and behavior of the computer as seen by the user is called as

  1. computer organization

  2. computer design

  3. computer architecture

  4. computer implementation
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Computer architecture refers to those attributes of a system that have a direct impact on the logical execution of a program, such as the instruction set and addressing modes. Computer organization refers to the physical implementation of these architectural concepts.

Multiple choice

CPU means

  1. central processing unit

  2. computer processing unit

  3. common processing unit

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Central Processing Unit (CPU) is the primary component of a computer that performs most of the processing inside the computer.

Multiple choice

CU means

  1. central unit

  2. computer unit

  3. common unit

  4. control unit
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Control Unit (CU) is a component of the CPU that directs the operation of the processor by telling the computer memory, ALU, and input/output devices how to respond to the instructions sent to the processor.

Multiple choice

Registers are ______ speed devices.

  1. low

  2. high

  3. moderate

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Registers are small, extremely fast storage locations within the CPU used to hold temporary data and instructions for immediate processing.

Multiple choice

Compiler is an example of

  1. system software

  2. application software

  3. dbms

  4. operating system
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Option 1 is the correct answer.

Multiple choice

Computer is an ______ device.

  1. electronic device

  2. calculating device

  3. automatic device

  4. attractive device
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A computer is fundamentally an electronic device that processes data using electronic circuits and components.

Multiple choice

The ______ box thinks like human brain.

  1. CU

  2. CPU

  3. ALU

  4. MU
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Central Processing Unit (CPU) is often referred to as the brain of the computer because it performs the majority of the processing and instruction execution.

Multiple choice

A _________ can do many things.

  1. computer

  2. calculator

  3. Both (1) & (2)

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A computer is a versatile machine capable of performing a wide variety of tasks, whereas a calculator is generally limited to mathematical operations.

Multiple choice

A computer works at a very ______.

  1. fast speed

  2. slow rate

  3. fast rate

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

One of the defining characteristics of a computer is its ability to perform calculations and process data at extremely high speeds.

Multiple choice

The function of the ______ is to do calculations, comparisons and take decisions.

  1. CU

  2. CPU

  3. ALU

  4. MU
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Central Processing Unit (CPU) is the primary component of a computer that performs most of the processing inside the computer. It contains the Arithmetic Logic Unit (ALU) which specifically handles calculations and comparisons, but the CPU as a whole is the entity that takes decisions based on instructions.

Multiple choice

What can a computer do?

  1. Process qualitative and quantitative information

  2. Store huge information

  3. Process information fast accurately

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

Computers are versatile tools capable of processing both qualitative and quantitative data, storing vast amounts of information, and performing calculations with high speed and accuracy.