Computing

Question 1

1When a result is too big for the bits available, an ___ error occurs.

Easy

Your answer (fill in the blank)

Question 2

2Which unsigned 4-bit operation causes overflow?

Hard

A. 0001 + 0010 B. 0011 + 0100 C. 1100 + 0101 D. 0101 + 0010

Question 3

31101₂ − 0110₂ =

Medium

A. 1001₂ B. 0101₂ C. 1011₂ D. 0111₂

Question 4

4BCD stores the whole number in pure binary.

Hard

A. True B. False

Question 5

5The decimal number 6 in BCD is ___.

Medium

Your answer (fill in the blank)

Question 6

6The 8-bit two's complement of −5 is

Hard

A. 10000101 B. 11111011 C. 00000101 D. 11111010

Question 7

71 + 1 in binary equals 10.

Easy

A. True B. False

Question 8

8In 8-bit two's complement, the left-most bit has a place value of

Hard

A. 256 B. −128 C. 128 D. −1

Question 9

9Shifting a binary number one place to the left

Medium

A. divides it by 2 B. adds 1 C. multiplies it by 2 D. makes it negative

Question 10

10The 8-bit two's complement number 11111110 represents

Hard

A. 2 B. 254 C. −2 D. −126