ALU 101 Binary Number Systems 2

Question 1

What is 1101 + 0110 in binary?

Accepted Answer

10011

Answer

10010

Answer

10100

Answer

10001

Question 2

The one's complement of binary 10110 is:

Accepted Answer

01001

Answer

01010

Answer

10110

Answer

11001

Question 3

In an 8-bit signed two's complement system, what is the range of representable integers?

Accepted Answer

-128 to 127

Answer

-127 to 127

Answer

-255 to 255

Answer

0 to 255

Question 4

Converting decimal 45 to binary gives:

Accepted Answer

101101

Answer

101011

Answer

110101

Answer

101110

Question 5

What does BCD stand for in digital number representation?

Accepted Answer

Binary Coded Decimal

Answer

Binary Circuit Design

Answer

Bit Count Data

Answer

Base Conversion Digit

Question 6

Which representation is used to simplify subtraction in ALU hardware?

Accepted Answer

Two's complement

Answer

Sign-magnitude

Answer

One's complement

Answer

BCD