The following quiz deals with the subject of binary number conversions and binary codes. The first ECE 2500 exam will have questions appearing very similar to the ones given here. (Go back to homepage.)

1. Converting (153)10 to base 8 yields which of the following results?
   1. 107
   2. 132
   3. 701
   4. 231
   5. 153

2. Converting (153)8 to base 10 yields which of the following results?
   1. 107
   2. 132
   3. 701
   4. 231
   5. 153

3. Converting (1010111)2 to base 8 yields which of the following results?
   1. 531
   2. 721
   3. 44
   4. 135
   5. 127

4. The two's complement of the number (01010)2 is:
   1. 10101
   2. 10011
   3. 00101
   4. 01100
   5. 10110

5. Converting (11011.01)2 to base 8 yields which of the following results?
   1. 33.2
   2. 63.2
   3. 63.1
   4. 33.1
   5. 63.01

6. Converting (.375)10 to base 2 yields which of the following results?
   1. .1011
   2. .110
   3. .1101
   4. .011
   5. .110111111

7. Converting (169)10 to base 16 yields which of the following results?
   1. 169
   2. 9A
   3. B3
   4. A9
   5. 361

8. 10111 is the two's complement representation of:
   1. -23
   2. -9
   3. -7
   4. +22
   5. +7

9. Converting (0111011.100)2 to base 16 yields which of the following results?
   1. 73.8
   2. 3C.4
   3. 3B.8
   4. 73.4
   5. 3B.4

10. 00111 is the two's complement representation of:
    1. -23
    2. -9
    3. -7
    4. +22
    5. +7

11. Converting (187)10 to base 8 yields which of the following results?
    1. 205
    2. 135
    3. 273
    4. 372
    5. 531

12. 10100 is the two's complement representation of:
    1. -11
    2. +12
    3. -12
    4. -20
    5. +20