Thursday, December 3, 2015

computer

  1. Which of the following is the direct entry input device__________
    1) Optical scanner
    2) Mouse
    3) Light pen
    4) Digitizer
    5) All of the above.
    Answer
    5) All of the above.
  2. Which of the following is the unit of measurement used with computer systems_________
    1) Byte
    2) Kilobyte
    3) Megabyte
    4) Gigabyte
    5) All of the above
    Answer
    5) All of the above
  3. A character is represented in EBCDIC by___________
    1) one bit
    2) four bits
    3) eight bits
    4) sixteen bits
    5) None of the above
    Answer
    3) eight bits
  4. Which of the following is the secondary memory device___________
    1) CPU
    2) ALU
    3) Floppy disk
    4) Mouse
    5) None of the above
    Answer
    3) Floppy disk
  5. Which is the computer memory that does not forget__________
    1) ROM
    2) RAM
    3) PROM
    4) All of the above
    5) None of the above
    Answer
    1) ROM
  6. A computer derives its basic strength from__________
    1) Speed
    2) Accuracy
    3) Memory
    4) all of the above
    5) None of the above
    Answer
    4) all of the above
  7. A collection of eight bits is called__________
    1) Byte
    2) Word
    3) Record
    4) file
    5) None of the above
    Answer
    1) Byte
  8. Which can read data and convert them to a form that a computer can use_________
    1) Logic
    2) Storage
    3) Control
    4) Input device
    5) Output device
    Answer
    4) Input device
  9. Software instruction intended to satisfy a user’s specific processing needs are called_________
    1) System software
    2) A microcomputer
    3) Documentation
    4) Applications software
    5) Output device
    Answer
    4) Applications software
  10. Which of the following people probably has the least amount of technical knowledge________
    1) Programmer
    2) User
    3) System analyst
    4) Computer operator
    5) Computer professional
    Answer
    2) User

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