1. The decimal system has a base of _________.
A. 0 B. 10
C. 100 D. 1000
2. Which digit represents “hundreds” in the number 8732?
A. 8 B. 7
C. 3 D. 2
3. Which of the following is correct?
A. 25 = (2 x 102) + (5 x 101)
B. 289 = (2 x 103) + (8 x 101) + (9 x 100)
C. 7523 = (7 x 103) + (5 x 102) + (2 x 101) + (3 x 100)
D. 0.628 = (6 x 10-3) + (2 x 10-2) + (8 x 10-1)
4. In the number 3109, the 3 is referred to as the _________.
A. most significant digit B. least significant digit
C. radix D. base
5. In the number 3109, the 9 is referred to as the _________.
A. most significant digit B. least significant digit
C. radix D. base
6. Numbers in the binary system are represented to the _________.
A. base 0 B. base 1
C. base 2 D. base 10
7. Hexadecimal has a base of _________.
A. 2 B. 8
C. 10 D. 16
8. The binary string 110111100001 is equivalent to __________.
A. DE116 B. C7816
C. FF6416 D. B8F16
9. The _________ system uses only the numbers 0 and 1.
A. positional B. binary
C. hexadecimal D. decimal
10. Decimal “10” is __________ in binary.
A. 1000 B. 0010
C. 1010 D. 0001
11. Decimal “10” is _________ in hexadecimal.
A. 1 B. A
C. 0 D. FF
12. Four bits is called a _________.
A. radix point B. byte
C. nibble D. binary digit
13. Another term for “base” is __________.
A. radix B. integer
C. position D. digit
14. In the number 472.156 the 2 is the _________.
A. most significant digit B. radix point
C. least significant digit D. none of the above
15. Binary 0101 is hexadecimal _________.
A. 0 B. 5
C. A D. 10
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