GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 1041 - 1045 of 1076

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Question 1041

Circuits for Analog Communications

Appeared in Year: 2016

Question

Numeric Answer▾

Consider the signal , where t is in seconds. The Nyquist sampling rate (in samples/second) for the signal is

Question 1042

Appeared in Year: 2016

Question

Numeric Answer▾

Assume that the diode in the figure has , but is otherwise ideal.

The Figure Has V_on = 0.7 V, but is Otherwise Ideal

The magnitude of the current is equal to …

Question 1043

S-Parameters, Smith Chart
Edit

Appeared in Year: 2017

Question

Numeric Answer▾

A two wire transmission line terminates in a television set. The VSWR measured on the line is 5.8. The percentage of power that is reflected from the television set is …

Question 1044

Boolean Algebra, Minimization of Functions

Appeared in Year: 2015

Question

MCQ▾

A function of Boolean variables X, Y and Z is expressed in terms of the min-terms as

Which one of the products of sums given below is equal to the function ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1045

Appeared in Year: 2016

Question

MCQ▾

In an system, a PUSH operation requires more clock cycles than a POP operation. Which one of the following options is the correct reason for this?

Choices

Choice (4)Response

a.

Order of registers must be interchanged for a PUSH operation, whereas POP uses their natural order.

b.

For POP, the data transceivers remain in the same direction as for instruction fetch (memory to processor) , whereas for PUSH their direction must be reversed.

c.

The stack pointer needs to be pre-decremented before writing registers in a PUSH, whereas a POP operation uses the address already in the stack pointer.

d.

Memory write operations are slower than memory read operation in an 8085 based system.

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