Past Questions Archive - Western Delta University, Oghara Delta State

second semester examination 2022/2023 session

CSC206 - computer hardware time: 2hrs: 30mins

attempt question ONE (compulsory) and any other TWO questions

Question 1 (Compulsory)
1. Explain in details the following devices:
  1. Personal computers
  2. Desktop computers
  3. Tower systems
  4. Laptops
  5. Note books
  6. Hand held computers
  7. Electronic organizers
  8. Personal digital assistants
  9. Pen computers
  10. Mobile phones
  (30 marks)
Question 2
1. What do you understand by the following terms? Give examples
  1. Graphic tablet
  2. Touch screen
  3. Joystick and wheel
  4. Light pen
  5. Modem
  (20 marks)
Question 3
1. 1. What is the difference between series and parallel circuit? (5 marks)
  2. Distinguish between open and closed circuit. (5 marks)
  3. Name 5 properties of a parallel circuit (5 marks)
  4. Mention the disadvantage of a parallel circuit (5 marks)
Question 4
1. 1. Name 5 storage devices with examples (5 marks)
  2. Explain how some secondary devices can funtion as input/output devices (10 marks)
  3. Distinguish between open and closed circuit (5 marks)
Question 5
1. 1. What is an electrical circuit (5 marks)
  2. Name 5 properties of a series circuit (5 marks)
  3. What is the difference between series and parallel connection (10 marks)
Question 6
1. What do you understand by the following devices? Give one example each
  1. Audio/Voice Input
  2. Digital Camera
  3. Video Input
  4. Webcam
  5. Optical Scanners
  (20 marks)

Western Delta University, Oghara Delta State