Electronics and Communication Engineering Multiple Choice Questions Pdf - 1

Question: 1

Cache memory works on the principal of

(A) locality of reference and memory

(B) locality of data

(C) locality of reference

(D) locality of memory

Question: 2

A 16-to-1 multiplexer can be used to

(A) convert a 16 bit parallel input to a serial output

(B) convert a 16 bit serial input to a parallel output

(C) convert a 4 bit serial input to a serial output

(D) convert a 4 bit parallel input to a serial output

Question: 3

Negative logic in a logic circuit is one in which

(A) logic 0 voltage level is higher than logic 1 voltage level

(B) logic 0 voltage level is lower than logic 1 voltage level

(C) logic 0 and 1 are represented by zero and positive voltages respectively

(D) logic 0 and 1 are represented by the negative and zero voltages respectively

Question: 4

Shifting a register content to left by one bit position is equivalent to

(A) addition by two

(B) multiplication by two

(C) subtraction by two

(D) division of two

Question: 5

In a RAM, information can be stored

(A) by the manufacture only once

(B) by the user, only once

(C) by the manufacturer, a number of times

(D) by the user, number of times