SHORT QUESTIONS-HARDWARE CONCEPTS.
Q1. What is a computer? What are its characteristics?
Q2. Briefly explain the significance of input process output cycle.
Q3. Briefly explain the basic architecture of the computer.
Q5. What is the function of CPU in a computer system? What are its sub units?
- Input Unit and Output Unit,
- CPU and ALU,
- Data And Information.
Q9. What is the function output unit in a computer system? Give examples of some output devices.
Q10. What role does memory play in the functioning of a computer system?
Q11. What is a bit? What is a binary code?
Q12. Define each of the following:
a.) Nibble,
b.) Byte,
c.) Kilobyte,
d.) Megabyte,
e.) Gigabyte,
f.) Terabyte.
Q14. Distinguish between internal and external memory.
Q15. Draw a block diagram of the main units of a computer hardware system.
Q16. What is the difference between hardware, software and firmware?
Q17. What are the software classifications? Discuss their functioning in brief.
Q18. Explain briefly hardware and software.
Q19. What are the advantages and disadvantages of using computers?
Q20. How are computers classified? How are they different from one another?
Q22. What are Ram and ROM? How are there alike? How are they different?
Q23. What are optical mark reader? How are they is used for data input?
Q24. What does MICR stands for? Who uses MICR? What are the advantages and disadvantages of MICR?
Question 25. Give an example of Mark sensing. When is mark sensing useful, and when it is difficult to use?
Q27. How is a light pen used? Is it an input or output device?
Q30. What is a plotter? What is its principle use?
- Inkjet Printer,
- Dot Matrix Printer,
- Laser Printer.
- What is an impact printer?
- Discuss the working of Dot Matrix printer.
Q36. What is control bus? How is it different from other buses?
Q37. Explain the role and purpose of data and address bus.
Q38. Why do you think USB ports are popular these days?
Q39. What is the difference between serial and parallel ports?
Q40. What is networking port? Name some well known ports with their port number.