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ISRO CS 2019 : Digital Booster Quiz 1

Attempt now to get your rank among 579 students!

Question 1

Binary Coded Decimal Code (BCD) is also known as:

Question 2

Let r denote number system radix. the only value(s) of r that satisfy the equation:
₍)_r= (11)_r

Question 3

How many programmable fuses are required in a PLA which takes 16 inputs and gives 8 outputs? It has to use 8 OR gates and 32 AND gates.

Question 4

Consider three, 2 : 1 MUX as given below. A, B, C are used as input variables

The boolean function Y2 is

Question 5

In IEEE floating point representation, the hexadecimal number 0xC0000000 corresponds to

Question 6

110111, 10111 and 1110111 correspond to the 2’s complement representation of the following set of numbers?

Question 7

Consider the following circuit as shown in the figure and say which option is correct about it?

Question 8

In an RS flip-flop, if the S line (Set line) is set high (1) and the R line (Reset line) is set low (0), then the state of the flip flop is

Question 9

The circuit given in the figure is to be used to implement the function Z =f(A, B) =

+ B. What values should be selected for I and J?

Question 10

The decimal equivalent of (643)₈ is:

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Oct 12GATE & PSU CS