Multiple choices

1. If the most significant bit of a signed binary number is 1, that number is:

A) positive.

B) in hexadecimal format.

C) negative.

D) incorrect.

2. How is 1 (base 10) represented in 8-bit twos complement notation?

A) 11111110

B) 11111111

C) 00000001

D) 00000010

3. The binary addition of 1 + 1 + 1 + 1 = __________.

A) 1111 (base 2)

B) 0001 (base 2)

C) 0100 (base 2)

D) 1001 (base 2)

True/False:

1. Signed-magnitude and two's complement both have two representations for zero.

2. Excess-M notation uses unsigned integers to express negative integers.

Convert the following number bases:

1. 122 (base 10) = ____________ (base 2)

2. Convert -52 (base 10) to binary 8-bit one's complement.

3. 424 (base 8) = ____________ (base 10)

4. 138 (base 10) = ____________ (base 5)

5. 379 (base 10) = ____________ (base 7)

6. 167 (base 10) = ____________ (base 5)

7. 1110111 (base 2) = ____________ (base 10)

8. Convert 0B2C (base 16) to binary.

9. 01D7 (base 16) = ____________ (base 10)

10. 665 (base 7) = ____________ (base 10)