Exercise: Digital Computer Electronics

Questions for: Digital Computer Electronics

De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.
A:
AND
B:
XAND
C:
XOR
D:
OR
Answer: D
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A p- channel enhancement type MOSFET performs much the same function as a PNP transistor, except that
A:
it operates much faster
B:
it is considerably larger
C:
it is controlled by voltage rather than by current, so that it requires very little current at the control terminal
D:
it is controlled by current rather than by voltage like a bipolar transistor.
Answer: C
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ASCII and EBCDIC differ in
A:
their efficiency in storing data
B:
the random and sequential access method
C:
the number of bytes used to store characters
D:
their collecting sequences
Answer: D
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Conversion of binary number 1011012 to hexadecimal is
A:
3716
B:
2D16
C:
2E16
D:
2716
Answer: B
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In which code the successive code characters differ in only one bit position?
A:
gray code
B:
excess 3 code
C:
8421 code
D:
algebraic code
Answer: A
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