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 is NOT a component of an information system?

  1. Hardware

  2. Software

  3. Data

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

People are not considered a component of an information system, although they are essential for its operation.

Multiple choice

What is the primary function of the control unit in a computer system?

  1. Performing arithmetic and logical operations

  2. Storing data and instructions

  3. Directing the flow of data and instructions

  4. Managing input and output devices
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The control unit is responsible for directing the flow of data and instructions between the various components of the computer system, ensuring that operations are performed in the correct sequence.

Multiple choice

Which of the following is NOT a basic component of a computer system?

  1. Arithmetic Logic Unit (ALU)

  2. Control Unit (CU)

  3. Memory Unit (MU)

  4. Input/Output (I/O) Devices
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Input/Output (I/O) devices are not considered basic components of a computer system because they are external devices that are connected to the computer system to allow for communication with the outside world.

Multiple choice

What is the purpose of the arithmetic logic unit (ALU) in a computer system?

  1. Performing arithmetic and logical operations

  2. Storing data and instructions

  3. Directing the flow of data and instructions

  4. Managing input and output devices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The arithmetic logic unit (ALU) is responsible for performing arithmetic and logical operations on data.

Multiple choice

Which of the following is NOT a type of computer bus?

  1. Address Bus

  2. Data Bus

  3. Control Bus

  4. Expansion Bus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Expansion Bus is not a type of computer bus, but rather a slot on a motherboard that allows for the addition of expansion cards.

Multiple choice

What is the purpose of the input/output (I/O) devices in a computer system?

  1. Performing arithmetic and logical operations

  2. Storing data and instructions

  3. Directing the flow of data and instructions

  4. Allowing communication with the outside world
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Input/output (I/O) devices allow the computer system to communicate with the outside world, such as receiving input from a keyboard or displaying output on a monitor.

Multiple choice

What is the purpose of an operating system (OS) in a computer system?

  1. Managing hardware resources

  2. Providing a user interface

  3. Running application software

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

An operating system (OS) is responsible for managing hardware resources, providing a user interface, and running application software.

Multiple choice

What is the purpose of firmware in a computer system?

  1. Providing basic instructions to the hardware

  2. Storing data and instructions

  3. Directing the flow of data and instructions

  4. Managing input and output devices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Firmware provides basic instructions to the hardware, allowing it to perform basic functions.

Multiple choice

Which of the following is NOT a type of computer architecture?

  1. Von Neumann Architecture

  2. Harvard Architecture

  3. Modified Harvard Architecture

  4. RISC Architecture
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

RISC Architecture is not a type of computer architecture, but rather a design philosophy that emphasizes the use of a small number of simple instructions.

Multiple choice

What is the name of India's first supercomputer?

  1. Param 8000

  2. Param Yuva II

  3. Pratyush

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

Param 8000 was India's first supercomputer, developed by the Centre for Development of Advanced Computing (C-DAC) in 1991. It was a parallel processing supercomputer with a peak performance of 8 gigaflops.

Multiple choice

Which of the following is NOT a common task performed by system administrators?

  1. Installing and configuring software

  2. Monitoring system performance

  3. Troubleshooting system problems

  4. Updating system security patches
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Updating system security patches is not a common task performed by system administrators for environmental monitoring systems, as it is typically handled by IT professionals.

Multiple choice

What is the name of the first personal computer?

  1. Altair 8800

  2. Apple I

  3. TRS-80

  4. Commodore PET
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Altair 8800, released in 1975, is considered the first personal computer.

Multiple choice

Which of the following is NOT a common type of malware?

  1. Viruses

  2. Worms

  3. Trojan horses

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

Spyware is not a common type of malware. It is a type of software that collects information about a user's activities without their knowledge or consent.

Multiple choice

Which of the following is NOT a common type of system interface?

  1. Physical Interface

  2. Logical Interface

  3. Human-Machine Interface (HMI)

  4. Software Interface

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

Human-Machine Interface (HMI) is not a type of system interface, as it refers to the interaction between a human operator and a machine or system.

Multiple choice

What discovery led to the development of modern computers?

  1. Transistor

  2. Integrated Circuit

  3. Microprocessor

  4. Magnetic Core Memory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The invention of the transistor in 1947 paved the way for the development of modern computers, replacing vacuum tubes and enabling smaller, more powerful, and energy-efficient devices.