Computer Hardware and Software Questions and Answers
Computer Hardware and Software aptitude questions and answers with explanations help students understand the basics of how computers function internally and interact through software. These questions are commonly asked in competitive exams and placement tests by companies like TCS, Wipro, and Infosys. This topic covers essential hardware components such as CPU, memory, storage devices, and input-output units, as well as software categories like system software, application software, and utilities. Mastering these concepts helps candidates build a strong technical foundation and perform well in logical reasoning and technical aptitude sections. Practice more aptitude questions with solutions PDF and attempt online tests to boost accuracy and speed in hardware–software-related problems.
Computer Hardware and Software
12. Exceptions to the 8085 microprocessor normal operation are called:
- jump instructions
- decoding
- interrupts
- jump instructions or interrupts
13. Which component is considered the brain of the computer
- Hard Disk
- Explanation: The CPU performs all processing and control operations of a computer.
- Monitor
- Keyboard
14. Which memory is volatile in nature
- ROM
- Hard Disk
- Explanation: RAM loses its data when power is switched off.
- DVD
15. Which device is used to input text into a computer
- Monitor
- Printer
- Explanation: A keyboard is used to enter text and commands.
- Speaker
16. Which of the following is an output device
- Mouse
- Scanner
- Explanation: A printer produces output on paper.
- Keyboard
17. Which software is required to run computer hardware
- Application Software
- Utility Software
- Explanation: System software controls and manages hardware resources.
- Programming Software
18. Which of the following is an example of system software
- MS Word
- MS Excel
- Explanation: Windows is an operating system, which is system software.
- PowerPoint
19. Which storage device has the largest capacity
- Floppy Disk
- CD
- DVD
- Explanation: Hard disks store large amounts of data compared to other options.
20. Which unit is used to measure computer processing speed
- Byte
- Explanation: Processing speed is measured in Hertz.
- Pixel
- Watt