Computer Knowledge

Computer Fundamentals and System Concepts

2,421 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

What is the purpose of a compiler?

  1. To translate high-level code into machine code

  2. To execute programs

  3. To debug programs

  4. To optimize code
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A compiler is a computer program that translates high-level code, such as C++ or Java, into machine code, which can be executed by a computer.

Multiple choice

Which of the following is NOT a type of programming language?

  1. Python

  2. Java

  3. C++

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

HTML is a markup language used for creating web pages, while Python, Java, and C++ are programming languages used for developing software applications.

Multiple choice

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

  1. Worm

  2. Trojan Horse

  3. Spyware

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

Malware is a general term for malicious software, which includes viruses, worms, Trojan horses, and spyware.

Multiple choice

What is the best way to troubleshoot a GPU problem if you don't have any specialized tools?

  1. Try reseating the GPU

  2. Try using a different PCI-Express slot

  3. Try updating the BIOS

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

Trying reseating the GPU, trying using a different PCI-Express slot, and trying updating the BIOS can all help troubleshoot a GPU problem if you don't have any specialized tools.

Multiple choice

Which of the following is NOT a component of GIS?

  1. Hardware

  2. Software

  3. Data

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

Algorithms are not a component of GIS. Hardware, software, and data are the main components of GIS.

Multiple choice

What is the primary function of an operating system in a computer?

  1. To manage hardware resources

  2. To provide a user interface

  3. To run application programs

  4. To store data
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An operating system's primary function is to manage hardware resources, such as memory, storage, and input/output devices, and to provide a platform for running application programs.

Multiple choice

What is the name of the first commercially successful personal computer?

  1. Apple I

  2. Altair 8800

  3. IBM PC

  4. Commodore 64
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Apple I, released in 1976, is widely regarded as the first commercially successful personal computer.

Multiple choice

What is the term for a malicious software program that can replicate itself and spread from one computer to another?

  1. Virus

  2. Worm

  3. Trojan horse

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

A worm is a self-replicating malware program that can spread from one computer to another without user interaction.

Multiple choice

How can voice assistants improve the efficiency of agricultural operations?

  1. By automating routine tasks

  2. By providing real-time information

  3. By facilitating data-driven decision-making

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

Voice assistants enhance operational efficiency in agriculture by automating routine tasks, providing real-time information, and enabling data-driven decision-making.

Multiple choice

Which of the following is NOT a principle of human-computer interaction?

  1. User-centered design

  2. Task analysis

  3. Iterative design

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

Cognitive overload is not a principle of human-computer interaction. It is a phenomenon that occurs when a person is presented with more information than they can process.

Multiple choice

What is the purpose of cognitive ergonomics?

  1. To design systems that are easy to use

  2. To improve human performance

  3. To reduce mental fatigue

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

Cognitive ergonomics is a field of study that seeks to improve human performance by designing systems that are easy to use, reduce mental fatigue, and improve overall productivity.

Multiple choice

What is the primary focus of engineering psychology?

  1. The design of systems that are easy to use

  2. The study of human factors in engineering

  3. The application of psychological principles to engineering design

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

Engineering psychology is a field of study that encompasses the design of systems that are easy to use, the study of human factors in engineering, and the application of psychological principles to engineering design.

Multiple choice

Which of the following is NOT a common method for evaluating human-computer interaction?

  1. User testing

  2. Cognitive walkthrough

  3. Heuristic evaluation

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

Expert review is not a common method for evaluating human-computer interaction. It is a method for evaluating the usability of a system by having a group of experts review the system and identify any potential problems.

Multiple choice

What is the goal of iterative design?

  1. To produce a perfect design the first time

  2. To involve users in the design process

  3. To make changes to a design based on feedback

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

The goal of iterative design is to make changes to a design based on feedback from users. This allows designers to identify and fix any problems with the design early on in the process.

Multiple choice

What is the purpose of a cognitive walkthrough?

  1. To evaluate the usability of a system

  2. To identify potential usability problems with a system

  3. To compare the usability of two or more systems

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

The purpose of a cognitive walkthrough is to evaluate the usability of a system by having a group of experts walk through the system and identify any potential usability problems.