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

Which of the following is NOT a common type of system interface?

  1. Physical Interface

  2. Logical Interface

  3. Human-Machine Interface (HMI)

  4. Software Interface

  5. Network Interface
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Human-Machine Interface (HMI) is not a type of system interface, as it refers to the interaction between a human operator and a machine or system.

Multiple choice

What discovery led to the development of modern computers?

  1. Transistor

  2. Integrated Circuit

  3. Microprocessor

  4. Magnetic Core Memory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The invention of the transistor in 1947 paved the way for the development of modern computers, replacing vacuum tubes and enabling smaller, more powerful, and energy-efficient devices.

Multiple choice

What is the role of computer-aided design (CAD) software in laser cutting art?

  1. Creating digital designs

  2. Controlling the laser cutter

  3. Optimizing cutting parameters

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

CAD software plays a crucial role in laser cutting art by enabling artists to create digital designs, control the laser cutter's movements, and optimize cutting parameters for precise results.

Multiple choice

What is the term used to describe a malicious software program that is designed to steal sensitive information from a user's computer?

  1. Virus

  2. Trojan horse

  3. Spyware

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

Spyware is a malicious software program that is designed to steal sensitive information from a user's computer.

Multiple choice

What discovery paved the way for the development of computers?

  1. Transistor

  2. Integrated circuit

  3. Microprocessor

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

The transistor, invented by John Bardeen, Walter Brattain, and William Shockley in 1947, replaced vacuum tubes, leading to the miniaturization of electronic devices and the development of computers.

Multiple choice

Which of the following is NOT a common type of malware?

  1. Virus

  2. Trojan Horse

  3. Worm

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

Adware is not a common type of malware.

Multiple choice

Which supercomputer was used to simulate the early universe in the Millennium Simulation?

  1. Cray T3E

  2. IBM Blue Gene/L

  3. Cray XT4

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

The Millennium Simulation was run on the Cray T3E supercomputer at the University of Durham in the United Kingdom.

Multiple choice

What discovery led to the development of modern computer science?

  1. Turing Machine

  2. Von Neumann Architecture

  3. Transistor

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

The Turing machine, proposed by Alan Turing in the 1930s, laid the foundation for modern computer science.

Multiple choice

Which of the following is NOT a type of computer virus?

  1. Worm

  2. Trojan Horse

  3. Spyware

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

Adware is a type of software that displays unwanted advertisements on a user's computer. It is not a virus, as it does not replicate itself or cause damage to the system.

Multiple choice

What is the primary function of an operating system (OS) in a computer system?

  1. To manage hardware resources and provide basic services to applications

  2. To run application programs

  3. To store and retrieve data

  4. To connect to other computers over a network
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An operating system (OS) is a software that manages computer hardware resources and provides basic services to application programs. It acts as an interface between the hardware and the application software, enabling efficient utilization of resources and smooth execution of programs.

Multiple choice

What is the etymology of the word "computer"?

  1. Latin

  2. Greek

  3. French

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

The word "computer" comes from the Latin word "computare", which means "to calculate".

Multiple choice

Which of the following is NOT a common type of engineering system that processes personal data?

  1. Healthcare systems

  2. Financial systems

  3. Transportation systems

  4. Manufacturing systems
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Manufacturing systems are not a common type of engineering system that processes personal data. Healthcare systems, financial systems, and transportation systems are more common types of engineering systems that process personal data.

Multiple choice

What is the most common charging method for smartwatches?

  1. Wireless charging

  2. USB-C charging

  3. Magnetic charging

  4. Solar charging
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Magnetic charging is the most widely used charging method for smartwatches, offering a convenient and easy way to connect the watch to a power source.

Multiple choice

Which smartwatch features typically consume the most battery power?

  1. GPS tracking

  2. Heart rate monitoring

  3. Notifications

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

GPS tracking is one of the most power-intensive features on a smartwatch, as it requires continuous use of the GPS receiver.

Multiple choice

How can you extend the battery life of your smartwatch?

  1. Reduce screen brightness

  2. Disable unnecessary features

  3. Use power-saving modes

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

To extend the battery life of your smartwatch, you can reduce screen brightness, disable unnecessary features, and use power-saving modes.