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16 . What is the term to ask the computer to put information in order numerically or alphabetically?
A. Crop B. Sort
C. Record D. Report

17 . '.BAT' extension refers usually to what kind of file?
A. Audio file
Backup file
C. Compressed Archive file
D. System file

18 . Which is not application software?
A. Photoshop B. Windows NT
C. WinWord XP D. Page Maker

19 . All of the following are example of input device except
A. CRT(cathode ray tube)
B. COM(Computer Output Microfilm)
C. Voice recognition device
D. Optical scanners

20 . The time for which a peace of equipment operation is called?
A. effective time B. seek time
C. real time D. access