Recent questions tagged tbb-digital-logic-2

2 votes
1 answer
1
The excess $3$ code of decimal number $26$ is:$0100 1001$$01011001$$1000 1001$$01001101$
3 votes
1 answer
2
$1$’s complement representation of decimal number of -$17$ by using $8$ bit representation is:$1110 \ 1110$$1101 \ 1101$$1100 \ 1100$$0001 \ 0001$
3 votes
1 answer
3
If signed numbers are used in binary arithmetic, then which one of the following notations would have unique representation for zero?Sign-magnitude$1$’s complement$2$�...
2 votes
2 answers
5
If the input to T-flip flop is $100$ Hz signal, the final output of the three T-flip flops in cascade is :$1000$ Hz$500$ Hz$333$ Hz$12.5$ Hz
3 votes
1 answer
7
Convert the following $(734 )_8 = ( \dots )_{16}$$C \ 1 \ D$$D \ C \ 1$$1 \ C \ D$$1 \ D \ C$
2 votes
1 answer
8
Convert decimal $153$ to octal. Which of the following will be the equivalent in octal?$( 231)_8$$( 331)_8$$( 431)_8$none of these
1 votes
1 answer
12
1 votes
2 answers
13
1 votes
1 answer
14
The device which changes from serial data to parallel data is:COUNTERMULTIPLEXERDEMULTIPLEXERFLIP-FLOP
2 votes
4 answers
15
Karnaugh map is used for the purpose of:Reducing the electronic circuits used.Mapping the given Boolean logic function.Minimizing the terms in a Boolean expression.Maximi...
1 votes
1 answer
16
2 votes
1 answer
17
DeMorgan’s first theorem shows the equivalence of:OR gate and Exclusive OR gate.NOR gate and Bubbled AND gate.NOR gate and NAND gate.NAND gate and NOT gate
1 votes
1 answer
18
Which of the following combinations is sufficient to build a half adder?EX-OR gate and NOR gate.EX-OR gate and OR gate.EX-OR gate and AND gate.Four NAND gates.
2 votes
1 answer
19
1 votes
1 answer
20
In a JK Flip-Flop, “toggle” means:Set $Q = 1$ and $Q = 0$.Set $Q = 0$ and $Q = 1$.Change the output to the opposite state.No change in output.
17 votes
2 answers
21
How many minimum number of two input AND gates and two input OR gates are required to realize $Y = BD+CE+AB$ ?$2, 2$$4, 2$$3, 2$$2, 3$
1 votes
3 answers
22
A 4-bit synchronous counter uses flip-flops with propagation delay times of $15$ ns each. The maximum possible time required for change of state will be _____.$15$ ns$30$...
1 votes
1 answer
23
Shifting a register content to left by one bit position is equivalent to:Division by two.Addition by two.Multiplication by two.Subtraction by two.
2 votes
1 answer
25
When simplified with Boolean Algebra, $(x + y)(x + z)$ simplifies to:$x$$x + x(y + z)$$x(1 + yz)$$x + yz$
1 votes
1 answer
26
The Boolean expression $ A \cdot B+ A \cdot B+ A \cdot B$ is equivalent to:$A + B$$A \cdot B$$A \oplus B$$A \cdot B + A' B'$
1 votes
1 answer
27
2 votes
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28
What is the binary equivalent of the decimal number $368$?$101110000$$110110000$$111010000$$111100000$
1 votes
1 answer
29
The inputs of a NAND gate are connected together. The resulting circuit is ______.an OR gatean AND gatea NOT gateNone of the above
2 votes
2 answers
30
A minimum sum-of-products expression of the function $F(w, x, y,z) = \Sigma m ( 0, 2, 5, 8, 10, 13, 14 )$ using Karnaugh map is:$x'z+xy+yxz$$x'z' + xy'z + wyz'$$x'z' + xy...
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