VERY SHORT QUESTIONS

VERY SHORT QUESTIONS-HARDWARE CONCEPTS.

Q1. What is a computer?

Q2. What are the functional components of a digital computer?

Q3. What are the components of CPU? What is its role? What is the function of control unit of CPU?

Q4. What role does the input unit play in computer? What role does the output unit play in a computer?

Q5. What is the function of ALU?

Q6. What is the function of main memory? What are the measuring units of memory?

Q7. What do you mean by the terms Hardware, Software, Firmware?

Q8. What are the main types of Software?

Q9. What are the functions of operating system and language processor? Give examples.

Q10. What is the function of assembler, compiler and interpreter?

Q11. What do you understand by application software?

Q12.What are the main limitations of computer?

Q13.What are different categories of a computer?

Q14. Which type of computer contains several processors running together? Give an example of such type  of computer?

Q15. Write the full forms of the following terms:

VDU, MICR, OMR, LCD, OCR, DMP, CRT, CD-ROM, CD-R, DVD, DVD-R.

Q16. Name some pointing devices.

Q17. What are the categories of impact printers? What is the advantage of non-impact printers over impact printers?

OR

Difference between impact printers and non-impact printers.

Q18. Out of the following devices, write whether they are input devices, output devices or storage devices. Also write their function.

  1. Light Pen
  2. Flatbed Plotter
  3. Drum Printer
  4. Joystick
  5. OMR
  6. Web Camera
  7. Optical Disk
  8. Magnetic Disk
  9.  MICR
  10.  DVD.

Q19. Briefly discuss the printing mechanism of

  1. Laser Printer,
  2. Inkjet Printer.

Q20. Compare the drum plotter and flatbed plotter.

Q21. Brief explain

  1. VDU
  2. LCD.

Q22. What are the two types of RAM? Name various types of ROM. Write their names in full form.

Q23. How are magnetic disc different from optical disc?

Q24. Define the following terms:

  1. Cylinder,
  2. Tracks,
  3. Sector.

Q25. What are optical disks?

Q26. What is communication bus? What are its types?

Q27. What is a port? Name some port types briefly.

Q28. Name two ports that allow wireless connection of devices.

Q29. What do you understand by IPO cycle?