16. Which of the following is not a practical data-processing approach?

A. batch-sequential
B. batch-direct
C. immediate-sequential
D. immediate-direct
E. All of the above

17. Bit map terminal

A. support displays containing multiple windows
B. requires considerable amount of video RAM
C. requires tremendous amount of copying and hence low performance
D. All of the above
E. None of the above

18. A 32 bit microprocessor has the word length equal to

A. 2 bytes
B. 32 bytes
C. 4 bytes
D. 8 bytes

19. The register which holds the address of the location to or from which data are to be transferred is known as

A. index register
B. instruction register
C. memory address register
D. memory data register
E. None of the above

20. In simplex transmission

A. Data format is simple
B. Data transmission is one way
C. Data can be transmitted to small distances only
D. All of the above
E. None of the above