Hardware / Software Review


Hardware Presentation

Review Questions

Business Connections: pg 79

1. What is input? Give example of input devices.

2. What is output? Give examples of output devices.

3. What happens when press a key on the keyboard?

4. Give examples of where the following scanning technologies are used:
  1. MICR
  2. OCR
  3. UPC
Business Connections: pg 84

1. List the main functions of the CPU.

2. Explain how a CPU's speed is measured

3. Why are output devices necessary?

4. What is the function of a video card?

5. What is a pixel? How do they affect image quality?