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1 . The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.
A. binary B. decimal
C. hexadecimal D. All of the above

2 . The functional difference between SR flip-flop and JK flip-flop is that
A. JK flip-flop accepts both inputs 1
B. JK flip-flop has a feed back path
C. JK flip-flop is faster than SR flip-flop
D. JK flip-flop does not require external clock

3 . Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH
A. 41 B. 57
C. 63 D. 77

4 . An OR gate can be imagined as
A. switches connected in series
B. switches connected in parallel
C. MOS transistors connected in series
D. All of the above

5 . Which of the following flip-flops is free from race around problem?
A. master slave JK flip-flop
B. SR flip-flop
C. T flip-flop
D. All of the above




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