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

In a digital computer, the central processing unit (CPU) performs arithmetic and logical operations using:

  1. Binary code

  2. Decimal code

  3. Hexadecimal code

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

In a digital computer, the central processing unit (CPU) performs arithmetic and logical operations using binary code.

Multiple choice

What is the primary function of an operating system?

  1. Managing computer hardware and software resources

  2. Providing a user interface for interaction

  3. Running application programs

  4. Storing data on storage devices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The primary function of an operating system is to manage the computer's hardware and software resources, such as the CPU, memory, storage devices, and input/output devices, to ensure efficient and effective operation.

Multiple choice

What is the primary role of a device driver in an operating system?

  1. Managing the allocation of memory resources

  2. Providing an interface between hardware devices and software applications

  3. Handling user input and output operations

  4. Scheduling processes for execution
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A device driver's primary role is to provide an interface between hardware devices and software applications, allowing applications to interact with and control hardware devices in a standardized manner.

Multiple choice

Which of the following is a type of mathematical model?

  1. Physical Model

  2. Abstract Model

  3. Computer Model

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

Mathematical models can be physical, abstract, or computer models. Physical models are physical representations of mathematical concepts, such as a globe representing the Earth. Abstract models are mathematical structures that are used to represent real-world phenomena, such as a graph representing a network. Computer models are computer programs that are used to simulate real-world phenomena, such as a weather forecasting model.

Multiple choice

Which of the following is a type of mathematical model?

  1. Physical Model

  2. Abstract Model

  3. Computer Model

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

Mathematical models can be physical, abstract, or computer models. Physical models are physical representations of mathematical concepts, such as a globe representing the Earth. Abstract models are mathematical structures that are used to represent real-world phenomena, such as a graph representing a network. Computer models are computer programs that are used to simulate real-world phenomena, such as a weather forecasting model.

Multiple choice

What is the main function of a computer architecture?

  1. To define the structure and behavior of a computer system.

  2. To design the hardware components of a computer system.

  3. To develop the software applications for a computer system.

  4. To manage the resources of a computer system.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The main function of a computer architecture is to define the structure and behavior of a computer system. This includes the design of the hardware components, the instruction set architecture, and the memory hierarchy.

Multiple choice

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

  1. Von Neumann architecture

  2. Harvard architecture

  3. Modified Harvard architecture

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

RISC (Reduced Instruction Set Computer) architecture is a design philosophy, not a type of computer architecture. RISC architectures typically have a small number of simple instructions, which can be executed quickly and efficiently.

Multiple choice

What is the purpose of the instruction set architecture (ISA) of a computer?

  1. To define the set of instructions that the processor can execute.

  2. To define the format of the instructions.

  3. To define the addressing modes that can be used with the instructions.

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

The purpose of the instruction set architecture (ISA) of a computer is to define the set of instructions that the processor can execute, the format of the instructions, and the addressing modes that can be used with the instructions.

Multiple choice

Which of the following is NOT a component of a computer system?

  1. Processor

  2. Memory

  3. Input/output devices

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

Software is not a component of a computer system. It is a set of instructions that tells the computer what to do.

Multiple choice

What is the function of the control unit in a computer system?

  1. To fetch instructions from memory.

  2. To decode instructions.

  3. To execute instructions.

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

The function of the control unit in a computer system is to fetch instructions from memory, decode instructions, and execute instructions.

Multiple choice

What is the function of the arithmetic logic unit (ALU) in a computer system?

  1. To perform arithmetic operations.

  2. To perform logical operations.

  3. Both of the above.

  4. None of the above.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The function of the arithmetic logic unit (ALU) in a computer system is to perform arithmetic operations and logical operations.

Multiple choice

Who is known for his contributions to the field of information theory and the development of the noisy-channel coding theorem?

  1. Claude Shannon

  2. C. V. Raman

  3. Harish-Chandra

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

Claude Shannon, an American mathematician and engineer, is widely regarded as the father of information theory. His work, including the noisy-channel coding theorem, laid the foundation for modern communication systems.

Multiple choice

What is the name of India's first indigenous supercomputer?

  1. Param Padma

  2. Param Yuva

  3. Param Ananta

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

Param Padma was India's first indigenous supercomputer, developed by the Centre for Development of Advanced Computing (C-DAC).

Multiple choice

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

  1. Virus

  2. Worm

  3. Trojan horse

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

Antivirus software is not a type of malware. It is a software program designed to protect computers from malware infections.

Multiple choice

What is malware?

  1. A type of software that is designed to damage or disable computer systems

  2. A type of software that is designed to steal personal information

  3. A type of software that is designed to disrupt computer systems

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

Malware is a type of software that is designed to damage or disable computer systems, steal personal information, or disrupt computer systems.