21. Which type of system puts the user into direct conversation with the computer through a keyboard?
A. Real time processing
B. Interactive computer
C. Batch processing
D. Time sharing
E. None of the above
22. The term referring to evacuating the content of some part of the machine is known as
A. Dump
B. Enhancement
C. Down
D. Compiler
E. None of the above
23. A single packet on a data link is known as
A. Path
B. Frame
C. Block
D. Group
E. None of the above
24. The process of communicating with a file from a terminal is
A. Interactive
B. Interrogation
C. Heuristic
D. All of the above
E. None of the above
25. A common boundary between two systems is called
A. Interdiction
B. Interface
C. Surface
D. None of the above