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
  1. Memory

  2. Arithmetic Logic unit section

  3. Interpreter

  4. Microprocessor

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

The microprocessor (CPU) is the central component of a PC that executes instructions and performs the primary processing tasks, effectively serving as the brain of the computer.

Multiple choice
  1. RAM

  2. Reset Switch

  3. Power supply

  4. Bus

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

The power supply unit (PSU) is a separate component that converts mains AC to low-voltage regulated DC power for the internal components of the computer; it is not a part of the motherboard itself.

Multiple choice
  1. EDSAC

  2. UNIVACI

  3. IBM

  4. MIPS

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

The UNIVAC I (Universal Automatic Computer I) was the first general-purpose electronic digital computer design for business and administrative use to be produced in the United States.

Multiple choice
  1. It provides program to control input/output devices

  2. It provides program to select appropriate translators required to by the user

  3. It provides allocation of resources to a computer

  4. It provides often required data such as trigonometric tables

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

Operating systems manage hardware and software resources, but providing data like trigonometric tables is an application-level task, not a core OS function.

Multiple choice
  1. peripherals

  2. memory

  3. storage

  4. the Input-Output unit

  5. the CPU

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

The Central Processing Unit (CPU) is the brain of the computer that performs the actual processing, which includes transforming input data into meaningful output.

Multiple choice
  1. tiny power cords for external storage devices

  2. experts who know how to maximize the performance of devices

  3. small, special-purpose programs

  4. the innermost part of the operating system

  5. substitutes for operating system

Reveal answer Fill a bubble to check yourself
D Correct answer
Multiple choice
  1. shareware

  2. public-domain software

  3. open-source software

  4. a vertical-market application

  5. an application suite

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

Microsoft Office is a collection of software applications (like Word, Excel, and PowerPoint) bundled together, making it an application suite.

Multiple choice
  1. output

  2. algorithm

  3. input

  4. calculation

  5. flowchart

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

Input is the process of providing data or instructions to a computer system, which the system then processes to produce output.