56.

'CD' computer abbreviation usually means ?
A. Command Description B. Change Data
C. Copy Density D. Compact Disc
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
57.

'.BAK' extension refers usually to what kind of file?
A. Backup file B. Audio file
C. Animation/movie file D. MS Encarta document
Answer and Explanation
Answer:A
Explanation: No answer description available for this question.
58.

Where is the headquarters of Intel located?
A. Redmond, Washington B. Tucson, Arizona
C. Santa Clara, California D. Richmond, Virginia
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
59.

Who co-created the UNIX operating system in 1969 with Dennis Ritchie?
A. Bjarne Stroustrup B. Steve Wozniak
C. Ken Thompson D. Niklaus Wirth
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
60.

Voltage is sometimes referred to as EMF, or Electromotive...?
A. Field B. Factor
C. Flash D. Force
Answer and Explanation
Answer:D
Explanation: The term EMF, or Electromotive Force, its use now in decline, is attributed to Italian physicist Alessandro Volta (1745-1827). Today we generally use the term "voltage" - can you guess why we call it that?