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

Bots is a _______________

  1. Program to send mails automatically

  2. Program to monitor logins

  3. Program to specific tasks on a network

  4. Program to check virus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bots are automated programs that perform specific tasks on networks, often maliciously like DDoS attacks or spam distribution. They can also be used for legitimate purposes like web crawling. Option C is correct despite the grammatical error in the question ('Bots is' should be 'Bots are') and the option ('to specific tasks' missing a verb).

Multiple choice

What is a null session?

  1. Connecting to a system with the administrator username and password

  2. Connecting to a system with the admin username and password

  3. Connecting to a system with a random username and password

  4. Connecting to a system with no username and password
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A null session is a connection to a Windows system that does not require a username or password. It is often used by attackers to gather information about the system.

Multiple choice

What is an antivirus?

  1. A bigger and more dangerous virus

  2. Software used to duplicate viruses

  3. Computer software used to prevent, detect and remove malicious software

  4. A biological agent that reproduces itself inside the cells of living things
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Antivirus software is designed to detect, prevent, and remove malicious software (malware) from computer systems. It acts as a protective layer against various digital threats.

Multiple choice

How complex can we make computers?

  1. supercomputer: hundreds of CPUs, 1012 bits of RAM

  2. 1012 or more transistors per CPU

  3. supercomputer: hundreds of CPUs, 109 bits of RAM

  4. 106 or more transistors per CPU
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Supercomputers are defined by their massive parallel processing capabilities, typically involving hundreds of CPUs and high memory capacities, often cited in historical AI texts as having 10^9 bits of RAM.

Multiple choice

Turing test is ______

  1. determining if a machine can talk

  2. an expert system by asking user's hair

  3. a machine that takes role as one of the player

  4. an online computer game
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Turing test is a test of a machine's ability to exhibit intelligent behavior equivalent to, or indistinguishable from, that of a human. It involves a machine acting as one of the players in a conversation.

Multiple choice

Why were errors in coding called bugs?

  1. A moth was found in a computer in the 1940s.

  2. Ant took over a computer.

  3. A group of cockroaches invaded a laptop.

  4. Spiders caused a short circuit in the motherboard of a desktop computer.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The term 'bug' became popular after Grace Hopper and her team found a moth trapped in a relay of the Harvard Mark II computer in 1947, causing it to malfunction.

Multiple choice organization of commerce and management management by objectives (mbo) and management by exception (mbe) meaning and definition of mbo meaning and definition of mbe controlling

The fact 'an attempt to control everything may end up in controlling nothing' is related to which os the following concepts?

  1. Performance standards

  2. Management by Exception

  3. Planning and Controlling

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

Management by exception is a special skill of managing by important matters and taking vital decisions. Routine matters are to be handled by the lower level officers.

Multiple choice

Which of the following is NOT a component of a graphics card?

  1. GPU

  2. Video memory

  3. Cooling system

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

A graphics card does not have a power supply. It receives power from the motherboard.