ASSIGN 4

 

  1. What is meant by each of the following terms:

    2. a) on-line processing

    b) time-sharing

    c) personal computer

    d) font

    e) fixed disk

  2. Expand the following:
    1. bit
    2. K
    3. RAM
    4. CPU
    5. COM1
    6. VGA

 

3. Briefly describe the function of each of the following:

a) the central processing unit

b) the I/O interface

c) the system bus

 
  1. Name five common input devices.
  2. Describe how a bar-code reader works.
  3. Suggest two applications for magnetic-strip reader in the hospitality industry.
  4. Name three output devices.
  5. What are the main differences between a dot-matrix and a laser printer.
  6. What are the two main advantages of hard disks over floppy disks.

 

 

 

 

 

 

 

 

 

 
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