51
The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output
A)
low, high
B)
high, low
C)
odd, even
D)
even, odd
E)
None of the above
Answer & Solution
Answer: Option
A
52
Which of the following is not true?
A)
0X0 = 0
B)
0 x 1 = 1
C)
1 x 0 = 0
D)
1 x 1 = 1
E)
None of the above
Answer & Solution
Answer: Option
B
53
_____ has become the most widely used bipolar family.
A)
DTL
B)
TTL
C)
ECL
D)
MOS
E)
None of the above
Answer & Solution
Answer: Option
B
54
The functional capacity of SSI devices is
A)
1 to 11 gates
B)
12 to 99 gates
C)
100 to 10,000 gates
D)
more than 10,000 gates
E)
None of the above
Answer & Solution
Answer: Option
A
55
The master slave JK flip-flop is effectively a combination of
A)
an SR flip-flop and a T flip-flop
B)
an SR flip-flop and a D flip-flop
C)
a T flip-flop and a D flip-flop
D)
two T flip-flops
E)
None of the above
Answer & Solution
Answer: Option
A
56
Conversion of 10110112 to it's decimal equivalent is
A)
8110
B)
9110
C)
10010
D)
20010
E)
None of the above
Answer & Solution
Answer: Option
B
57
The octal equivalent of decimal 324.987 is
A)
504.771
B)
640.781
C)
815.234
D)
90.987
E)
None of the above
Answer & Solution
Answer: Option
A
58
One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.
A)
De Morgan
B)
Standard
C)
Schottky
D)
Karnaugh
E)
None of the above
Answer & Solution
Answer: Option
D
59
With a JK master-slave flip-flop the master is cocked when the clock is _____ and the slave is triggered when the clock is _____
A)
set, reset
B)
race, no change
C)
high, low
D)
set, race
E)
None of the above
Answer & Solution
Answer: Option
C
60
The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.
A)
LSI
B)
MSI
C)
MOS
D)
MOSFET
E)
None of the above
Answer & Solution
Answer: Option
B
