Test: Digital Electronics- 1
15 Questions MCQ Test GATE Electrical Engineering (EE) 2023 Mock Test Series | Test: Digital Electronics- 1
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What are the essential prime implicants of following Boolean function x'z + y`z + xz'
flx, y, z)= xlz + ylz + xzl These pairs are essential
Consider a multiplexer with X &Y as data inputs and z as a control pin. If Z = 0, selects input X and Z = I , selects input Y what are the connections required to realize the 2 - variable Boolean functions f T
R
R
A combinational circuit, using 8 x 1 MUX is shown in figure. The minimized expression for output Z is
The Minimal Product of sums function described by k-Map, shown in figure is
The output of an AND gate with three inputs, A, B, and C, is HIGH when ________.
The digital circuit using two inverters shown in figure will acts as
When 2 inverters are connected then it will become bi-stable.
A demultiplexer sends a single input to multiple outputs, depending on the select lines. For one input, the demultiplexer gives several outputs. That is why it is called a data distributor.
If 2's complement representation of a 16-bit number (one-sign bit and 15 Magnitude bits) is FFFF, then its magnitude in decimal representation is ____
The initial state of MOD — 16, down counter is 0110. What state will be it be after 37 clock pulses??
In the given figure shows a negative logic AND gate. If positive logic is used this gate is equivalent to
Y = A B = A + B .
An 8085 Microprocessor based system uses a 4 k x 8 bit RAM whose starting address is AAOOH. The address of last byte in this RAM is
4K x 8 = 212 x 8 bit it has 12 bits So address of last - byte will be AA 00 + 0 FFF = B9FF
F'S complement of 2BFD is FFF F - 2BFD = D402
A. ROM is interfaced to an 8085 CPU as indicated in figure, shown, what is address range occupied by ROM is
A15 A 14 A 13 will be 000 So Range will be
112 4-bit 2's complement no's 1011 and 0110 are added, then result expressed in 2's complementnotation is
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