💻 Computer General Knowledge Questions & Answers – Mock Test-10
📝 30 Questions
🏆 1 Mark Each
✅ No Negative Marking
Useful for SSC, Banking, Railway, IBPS, SBI, RBI and all exams where Computer Awareness / General Computer Knowledge questions are asked.
Computer Knowledge Test-10
For routine practice
• 30 Questions
Negative Marking • NoPassing marks • 25+
Exam Relevance • All types of Exams • Like UPSC, RRB, SSC, State commission etc.
• Don’t forget to comment your score •
Q1. Which of the following is generally costlier?
✓ Correct Answer Rationale:
Mainframe computers are generally costlier because they are powerful systems designed to handle large-scale data processing and many users.
Mainframe computers are generally costlier because they are powerful systems designed to handle large-scale data processing and many users.
Q2. The user generally applies ______ to access mainframe or supercomputer.
✓ Correct Answer Rationale:
A terminal is used to provide access to a mainframe or other powerful computer system.
A terminal is used to provide access to a mainframe or other powerful computer system.
Q3. These are specially designed computers that perform complex calculations extremely rapidly.
✓ Correct Answer Rationale:
Supercomputers are designed to perform extremely complex calculations at very high speeds.
Supercomputers are designed to perform extremely complex calculations at very high speeds.
Q4. A ______ is a large and expensive computer capable of performing scientific and business applications.
✓ Correct Answer Rationale:
Mainframe computers are large, powerful systems used for major scientific, business, and data-processing applications.
Mainframe computers are large, powerful systems used for major scientific, business, and data-processing applications.
Q5. Which unit of computer helps in communication between the memory and the arithmetic logical unit?
✓ Correct Answer Rationale:
The CPU coordinates communication between memory and the ALU during processing.
The CPU coordinates communication between memory and the ALU during processing.
Q6. Which part of the computer is used for calculating and comparing?
✓ Correct Answer Rationale:
The Arithmetic Logic Unit (ALU) performs arithmetic calculations and logical comparisons.
The Arithmetic Logic Unit (ALU) performs arithmetic calculations and logical comparisons.
Q7. Pick the one that is used for logical operations or comparisons such as less than, equal to or greater than.
✓ Correct Answer Rationale:
The ALU performs logical comparisons such as less than, equal to, and greater than.
The ALU performs logical comparisons such as less than, equal to, and greater than.
Q8. What does ALU in computing denote?
✓ Correct Answer Rationale:
ALU stands for Arithmetic Logic Unit, the CPU component responsible for arithmetic and logical operations.
ALU stands for Arithmetic Logic Unit, the CPU component responsible for arithmetic and logical operations.
Q9. How many types of arithmetic operations does the ALU of computer perform?
✓ Correct Answer Rationale:
The basic arithmetic operations are addition, subtraction, multiplication, and division.
The basic arithmetic operations are addition, subtraction, multiplication, and division.
Q10. Shift, Ctrl, Alt are examples of which category?
✓ Correct Answer Rationale:
Shift, Ctrl, and Alt modify the function of other keys and are therefore called modifier keys.
Shift, Ctrl, and Alt modify the function of other keys and are therefore called modifier keys.
Q11. Pointing device includes the following except:
✓ Correct Answer Rationale:
A keyboard is primarily an input device for entering text and commands, not a pointing device.
A keyboard is primarily an input device for entering text and commands, not a pointing device.
Q12. What type of device is a computer mouse?
✓ Correct Answer Rationale:
A mouse is an input device used to control the pointer and provide commands to a computer.
A mouse is an input device used to control the pointer and provide commands to a computer.
Q13. Which of these is a pointing and drawing device?
✓ Correct Answer Rationale:
A mouse is commonly used as a pointing and drawing device for interacting with graphical interfaces.
A mouse is commonly used as a pointing and drawing device for interacting with graphical interfaces.
Q14. First computer mouse was built by:
✓ Correct Answer Rationale:
Douglas Engelbart invented the first computer mouse prototype in the 1960s.
Douglas Engelbart invented the first computer mouse prototype in the 1960s.
Q15. The most frequently used instructions of a computer program are likely to be fetched from:
✓ Correct Answer Rationale:
Frequently used instructions are stored in cache to allow the processor to access them quickly.
Frequently used instructions are stored in cache to allow the processor to access them quickly.
Q16. Which of the following is the high-speed memory that compensates the gap in speeds of processor and main memory?
✓ Correct Answer Rationale:
Cache memory bridges the speed gap between the CPU and main memory.
Cache memory bridges the speed gap between the CPU and main memory.
Q17. ______ acts as temporary high-speed holding area between the memory and the CPU, thereby improving processing capabilities.
✓ Correct Answer Rationale:
Cache memory temporarily holds frequently needed data and instructions for faster CPU access.
Cache memory temporarily holds frequently needed data and instructions for faster CPU access.
Q18. Which of the following statements is true?
✓ Correct Answer Rationale:
Cache memory is faster but generally much smaller in capacity than RAM.
Cache memory is faster but generally much smaller in capacity than RAM.
Q19. The NOR gate is an OR gate followed by ______.
✓ Correct Answer Rationale:
A NOR gate is an OR gate followed by a NOT operation, which reverses the output.
A NOR gate is an OR gate followed by a NOT operation, which reverses the output.
Q20. The NOR gate output will be high if the two inputs are:
✓ Correct Answer Rationale:
A NOR gate produces a high output only when all its inputs are low, so 00 gives a high output.
A NOR gate produces a high output only when all its inputs are low, so 00 gives a high output.
Q21. The primary purpose of software is to turn data into:
✓ Correct Answer Rationale:
Software processes raw data to produce useful information for the user.
Software processes raw data to produce useful information for the user.
Q22. Computer software is:
✓ Correct Answer Rationale:
Software is a collection of instructions that tells a computer how to perform tasks.
Software is a collection of instructions that tells a computer how to perform tasks.
Q23. The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called:
✓ Correct Answer Rationale:
Instructions are the specific steps a computer follows to perform a task or process data.
Instructions are the specific steps a computer follows to perform a task or process data.
Q24. The two broad categories of software are:
✓ Correct Answer Rationale:
Software is broadly classified into system software and application software.
Software is broadly classified into system software and application software.
Q25. The primary purpose of the Windows operating system is:
✓ Correct Answer Rationale:
Windows provides a user-friendly interface that makes computers easier for users to operate.
Windows provides a user-friendly interface that makes computers easier for users to operate.
Q26. Every computer has a(n) ______, many also have ______.
✓ Correct Answer Rationale:
A computer requires system software such as an operating system, while many computers also run application programs.
A computer requires system software such as an operating system, while many computers also run application programs.
Q27. Which of the following is/are functions of an operating system?
✓ Correct Answer Rationale:
An operating system provides the user interface, manages files, and allocates computer resources.
An operating system provides the user interface, manages files, and allocates computer resources.
Q28. A program in execution is called:
✓ Correct Answer Rationale:
A process is a program that is currently being executed by the computer.
A process is a program that is currently being executed by the computer.
Q29. Compiler is the:
✓ Correct Answer Rationale:
A compiler translates source code written in a programming language into object or machine code.
A compiler translates source code written in a programming language into object or machine code.
Q30. Compiling creates a(n):
✓ Correct Answer Rationale:
Compilation converts source code into machine-readable code that can be used to create an executable program.
Compilation converts source code into machine-readable code that can be used to create an executable program.
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