CS302-Midterm
1 / 50
In the Karnaugh map shown above, which of the loops shown represents a legal grouping?
2 / 50
TTL based devices work with a dc supply of ____ Volts
3 / 50
The range of Excess-8 code is from ______ to ______
4 / 50
The output of the expression F=A+B+C will be Logic ________ when A=0, B=1, C=1. the symbol‟+‟ hererepresents OR Gate.
5 / 50
The expression _________ is an example of Commutative Law for Multiplication.
6 / 50
In ANSI/IEEE Standard 754 “Mantissa” is represented by 32-bits bits
7 / 50
If an active-HIGH S-R latch has a 0 on the S input and a 1 on the R input and then the R input goes to 0, the latch will be________.
8 / 50
A logic circuit with an output consists of ________.
9 / 50
For a 3-to-8 decoder how many 2-to-4 decoders will be required?
10 / 50
The ABEL symbol for “OR” operation is
11 / 50
12 / 50
The OLMC of the GAL16V8 is _______ to the OLMC of the GAL22V10
13 / 50
The 3-variable Karnaugh Map (K-Map) has _______ cells for min or max terms
14 / 50
A.(B.C) = (A.B).C is an expression of __________
15 / 50
A Demultiplexer is not available commercially.
16 / 50
A BCD to 7-Segment decoder has
17 / 50
Following is standard POS expression
18 / 50
Generally, the Power dissipation of _______ devices remains constant throughout their operation.
19 / 50
The Quad Multiplexer has _____ outputs
20 / 50
The 4-bit 2’s complement representation of “+5” is _____________
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22 / 50
GAL is an acronym for ________.
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The function to be performed by the processor is selected by set of inputs known as ________
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25 / 50
If we multiply “723” and “34” by representing them in floating point notation i.e. by first, converting them in floating point representation and then multiplying them, the value of mantissa of result will be ________
26 / 50
GALcan be reprogrammed because instead of fuses __________logic is used in it
27 / 50
The OR Gate performs a Boolean _______ function
28 / 50
NOR Gate can be used to perform the operation of AND, OR and NOT Gate
29 / 50
The binary value “1010110” is equivalent to decimal __________
30 / 50
Generally, the Power dissipation of devices remains constant throughout their operation.
31 / 50
The ecimal “8” is represented as using Gray-Code.
32 / 50
The 4-variable Karnaugh Map (K-Map) has ______cells for min or max terms
33 / 50
The _______ Encoder is used as a keypad encoder.
34 / 50
A SOP expression having a domain of 3 variables will have a truth table having ____combinations of inputs and corresponding output values.
35 / 50
The PROMconsists of a fixed non-programmable ____________ Gate array configured as a decoder.
36 / 50
Two 2-input, 4-bit multiplexers 74X157 can be connected to implement a ____ multiplexer.
37 / 50
The binary value of 1010 is converted to the product term
38 / 50
39 / 50
Which one is true:
40 / 50
Demultiplexer has
41 / 50
High level Noise Margins (VNH) of CMOS 5 volt series circuits is _____________
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43 / 50
"Sum-of-Weights" method is used __________
44 / 50
2's complement of any binary number can be calculated by
45 / 50
In ABEL the variable „A‟ is treated separately from variable „a‟
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47 / 50
The diagram given below represents __________
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49 / 50
50 / 50
(A+B).(A+C) =
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