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/are true?

  1. A Pc/XT uses an 80186 microprocessor whereas a PC/XT uses an 80286 microprocessor.

  2. If the power goes off while executing a program, the instructions and data in the memory will be lost.

  3. Both (1) and (2)

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

RAM is volatile memory - when power is lost, all stored data and instructions are erased. This is why unsaved work is lost during power outages. PC/XT systems used 8088 processors, not 80186 or 80286 as mentioned in option A.

Multiple choice

Which of the following components of .Net architecture provides the appearance of a virtual machine so that programmers need not consider the capabilities of the specific CPU that will execute the program?

  1. Common type system

  2. The execution support

  3. Stack walk

  4. Web form

  5. Common language runtime
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This component of .Net architecture provides the appearance of an application virtual machine so that programmers need not consider the capabilities of the specific CPU that will execute the program.

Multiple choice

API means _______.

  1. Application Programming Interface

  2. Additional Programming Interface

  3. Application Peripheral Interface

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

API stands for Application Programming Interface. It's a set of protocols and tools for building software applications, defining how software components should interact.

Multiple choice

The _______ is also called kernel.

  1. file system

  2. nucleus

  3. input/output

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

The nucleus is indeed another term for the kernel in operating systems. The kernel is the core component that manages system resources and hardware-software interaction.

Multiple choice

The ______ of the operating system manages processes.

  1. file system

  2. kernel

  3. input/output

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

The kernel is the core component of an operating system that manages processes, memory, and hardware resources. The file system handles storage organization, while input/output operations manage data transfer between devices and the system.

Multiple choice

Virus gets activated by the

  1. hard disk

  2. host program

  3. floppy disk

  4. CPU

  5. -
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is a device connected to a computer network, which offer information resources, services and applications to users on the network.