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 commercial studies computerised accounting system accounting systems - manual and computerized difference between manual and computerised accounting meaning and importance of computerised accounting system

When computer programme or files can be accessed from terminals, access can be limited to authorized individuals by ________. 

  1. appointing a librarian

  2. controlling passwords

  3. appointing EDP auditor

  4. both (A) and (B)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Access control in computer systems is maintained by both physical security (like a librarian or terminal room access) and logical security (like passwords). Therefore, combining these methods provides a more robust security framework.

Multiple choice evs computer computer - an introduction computer and its functions different parts used in computers

Which of the following is a correct categorization of a computer?

  1. Memory, A.L.U., Control device

  2. Keyboard, Mouse, Monitor

  3. Input device, Control device, output unit

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Computers are categorized as:
  1. Personal computers
  2. Mobile computers
  3. Mainframes
  4. Servers
  5. Supercomputers.
Hardware devices can be classified into four distinct categories:
  1. Input devices: For raw data input.
  2. Processing devices: To process raw data instructions into information.
  3. Output devices: To disseminate data and information.
  4. Storage devices: For data and information retention.
Multiple choice evs computer computer - an introduction computer and its functions different parts used in computers

Which option correctly explains 'Automation', a property of a computer?

  1. Computer can do complicated calculations in a very short time

  2. Computer has extraordinary capacity to store data

  3. Computer is an automatic machine which when once started, works accordingly to directions as per the given programme

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
As a computer is an automatic machine which when once started, works accordingly to directions as per the given programmer.
Multiple choice evs computer computer - an introduction computer and its functions different parts used in computers

Computer is an electronic device which can do restless work for a long time without any exhaustion.
This property of computer is termed as:

  1. Wide utility

  2. Accuracy

  3. Diligence

  4. Speed
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Diligence: - A computer is free from tiredness, lack of concentration, fatigue, etc. It can work for hours without creating any error. If millions of calculations are to be performed, a computer will perform every calculation with the same accuracy. Due to this capability it overpowers human being in routine type of work. 
Multiple choice organization of commerce and management emerging modes of services e-advertising, e-marketing and e-security structure of business introduction to internet and e-commerce

Which is the Level 4 virus that affects the computer?

  1. Disruption of functioning

  2. Damage to target data files

  3. Complete destruction of the system

  4. Annoyance in terms of some on-screen display
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Complete destruction of the system is a well known computer virus which is often regarded as a Level $ Virus that destroys all the transmitted information and data which are transmitted electronically that disrupts the functioning of the computer and causes destruction to the whole system.