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

An operating system is responsible for which of the following tasks?

  1. Providing user-computer interactions

  2. Organizing and updating drivers, services, tools, etc.

  3. Controlling hardware components

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

An operating system manages user interaction, hardware control, and system maintenance tasks. Since all listed options are core OS responsibilities, 'All of the above' is the correct choice.

Multiple choice

What was the clock speed of the original IBM PC

  1. Less than 5 MHz

  2. 100 MHz

  3. 8 MHz

  4. just over 69 MHz
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The original IBM PC (Model 5150) released in 1981 used an Intel 8088 processor running at 4.77 MHz, which falls into the 'less than 5 MHz' category.

Multiple choice

Which of the following operating systems is produced by IBM

  1. OS-2

  2. Windows

  3. DOS

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

OS/2 (written as OS-2 in the question) was an operating system developed jointly by IBM and Microsoft. It was IBM's flagship PC operating system in the late 1980s and early 1990s before Windows gained dominance.

Multiple choice

'OS' computer abbreviation usually means

  1. Order of Significance

  2. Open Software

  3. Operating System

  4. Optical Sensor
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the context of computing, OS is the standard abbreviation for Operating System, which is the system software that manages computer hardware and software resources.

Multiple choice

'OS' computer abbreviation usually means ?

  1. Order of Significance

  2. Open Software

  3. Operating System

  4. Optical Sensor
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In computing, OS stands for Operating System, which is the system software that manages computer hardware and software resources.

Multiple choice

What is the CPU?

  1. The disk drive of a computer.

  2. The Central Processing Unit, the brains of a computer.

  3. Central Public Utility.

  4. Cesar's Punk Uptown.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The CPU (Central Processing Unit) is the primary component of a computer that performs most of the processing inside the machine. It is often referred to as the brain of the computer.

Multiple choice

What is an icon on the computer?

  1. Part of your eye.

  2. Someone to admire.

  3. A new course in High School.

  4. A tiny picture on the monitor, representing file or program.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In computing, an icon is a small graphical symbol on the screen that represents a file, folder, application, or command. Clicking it typically opens or executes the associated item.

Multiple choice

What is Software?

  1. Soft clothing.

  2. A new ice cream at Dairy Queen

  3. Programs that run on a computer.

  4. Your screen.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Software refers to the set of programs, data, or instructions that tell a computer how to work. It is distinct from hardware, which is the physical equipment.

Multiple choice

Computer

  1. An electronic device for storing and processing data.

  2. A device invented to take pictures.

  3. A big box with lots of wires.

  4. Something that I can spill water on and not break it.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A computer is an electronic device capable of accepting data, processing it according to instructions, and producing output. It is designed for storing and manipulating information.

Multiple choice

Printer

  1. The fan inside of a computer.

  2. A place to store pictures.

  3. What a Kindergartener does for homework.

  4. An output device that produces a paper copy from a computer.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A printer is a peripheral output device that takes digital documents or images from a computer and produces a physical hard copy on paper.

Multiple choice

Desktop

  1. The top of the computer.

  2. A place where users can access programs, files and folders.

  3. The top of the keyboard.

  4. Where you turn on your computer.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The desktop is the main screen area that appears after the computer boots up. It serves as a workspace where users can access files, folders, and applications.

Multiple choice

System software is also known as what?

  1. Browsing System

  2. Suite System

  3. Operating System

  4. Running System
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An operating system is the primary type of system software that manages computer hardware and software resources. It acts as the interface between the user and the computer hardware.

Multiple choice

BSoD (Error)

  1. Black Screen of Death

  2. Boot Security Onscreen Display

  3. Boot Security Operation Display

  4. Blue Screen of Death
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

BSoD stands for Blue Screen of Death, which is the common term for the error screen displayed by Microsoft Windows when a system error occurs.