CS302-Midterm
1 / 50
In the Karnaugh map shown above, which of the loops shown represents a legal grouping?
2 / 50
The ABEL symbol for “XOR” operation is
3 / 50
A SOP expression having a domain of 3 variables will have a truth table having ____combinations of inputs and corresponding output values.
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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 ________
5 / 50
An important application of AND Gate is its use in counter circuit
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The 4-bit 2’s complement representation of “+5” is _____________
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The 3-variable Karnaugh Map (K-Map) has _______ cells for min or max terms
8 / 50
A particular Full Adder has
9 / 50
All the ABEL equations must end with ________
10 / 50
The ABEL notation equivalent to Boolean expression A+B is:
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The binary value “1010110” is equivalent to decimal __________
12 / 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.
13 / 50
Demultiplexer has
14 / 50
TTL based devices work with a dc supply of ____ Volts
15 / 50
The device shown here is most likely a
16 / 50
The _______ Encoder is used as a keypad encoder.
17 / 50
A logic circuit with an output consists of ________.
18 / 50
NOR Gate can be used to perform the operation of AND, OR and NOT Gate
19 / 50
The 4-bit 2‟s complement representation of “-7” is _____________
20 / 50
The binary value “11011” is equivalent to __________
21 / 50
A Karnaugh map is similar to a truth table because it presents all the possible values of inputvariables and the resulting output of each value.
22 / 50
The function to be performed by the processor is selected by set of inputs known as ________
23 / 50
The Quad Multiplexer has _____ outputs
24 / 50
The binary numbers A = 1100 and B = 1001 are applied to the inputs of a comparator. What are the output levels?
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26 / 50
A.(B.C) = (A.B).C is an expression of __________
27 / 50
The maximum number that can be represented using unsigned octal system is _______
28 / 50
The function to be performed by the processor is selected by set of inputs known as ____
29 / 50
GAL is an acronym for ________.
30 / 50
Circuits having a bubble at their outputs are considered to have an active-low output.
31 / 50
A SOP expression is equal to 1 ______________
32 / 50
The 4-variable Karnaugh Map (K-Map) has ______cells for min or max terms
33 / 50
A BCD to 7-Segment decoder has
34 / 50
Which one is true:
35 / 50
Half-Adder Logic circuit contains 2 XOR Gates
36 / 50
"Sum-of-Weights" method is used __________
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38 / 50
3.3 v CMOS series is characterized by __________ and _________as compared to the 5 v CMOS series.
39 / 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________.
40 / 50
41 / 50
Tri-State Buffer is basically a/an _________ gate.
42 / 50
The ABEL symbol for “OR” operation is
43 / 50
In ABEL the variable „A‟ is treated separately from variable „a‟
44 / 50
In ANSI/IEEE Standard 754 “Mantissa” is represented by 32-bits bits
45 / 50
The range of Excess-8 code is from ______ to ______
46 / 50
For a 3-to-8 decoder how many 2-to-4 decoders will be required?
47 / 50
The binary value of 1010 is converted to the product term
48 / 50
The values that exceed the specified range can not be correctly represented and are considered as ________
49 / 50
50 / 50
In the binary number “10011” the weight of the most significant digit is ____
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