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Which of the following shift operations divide a signed binary number by 2 ?
Normally digital computers are based on
BCD stands for
The basic circuit ECL supports the
An adder-subtractor single unit can be designed using full adder and
Which of the following is not a universal building block ?
CARRY in half adder can be obtained using
A NAND gate has inputs A and B. It's output is connected to the both of the inputs of another NAND gate. An equivalent gate for these two NAND gates is
The operation which commutative but not associative is
In which of the following gates, the output is 1 if and only if at least one input is 1?
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____
The functional difference between SR flip-flop and JK flip-flop is that
With an RS latch a high S and low R sets the output to _____ ; a low S and a high R _____ the output to low
Flip-flop outputs are always
A NOR gate has two or more input signals. All input must be _____ to get a high output
An inverter is also called a _____ gate
With a NAND latch a low R and a low S produce a _____ condition
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is
De Morgan\'s first theorem says that a NOR gate is equivalent to a bubbled _____ gate
A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as
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