Number System Objective MCQ Quiz Questions and Answers - 2

Question: 6

The parity bit is added for which purpose?

(A) Control key

(B) Error detection

(C) Indexing

(D) Coding

Question: 7

ASCII Code is a 7 bit code for

(A) Other symbols

(B) Numbers

(C) Letters

(D) All of these

Question: 8

The decimal equivalent of binary number 0.0111 is

(A) 4.375

(B) 0.4375

(C) 0.5375

(D)  -0.4375

Question: 9

The two’s complement in binary system is useful for expressing

(A) Both positive and negative numbers

(B) Positive numbers

(C) Negative numbers

(D) None of these

Question: 10

The sum of weights in self complementing BCD code must be

(A) 7

(B) 8

(C) 9

(D) 10