1. The digital systems usually operate on system.
A. binary
B. decimal
C. octal
D. hexadecimal

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2. The binary system uses powers of for positional values.
A.2
B.10
C.8
D.16

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3. After counting 0, 1, 10, 11 the next binary number is
A.12
B.100
C.101
D.110

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4. The number 10002 is equivalent to decimal number
A. one thousand
B. eight
C. four
D. sixteen

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5. In binary numbers, shifting the binary point one place to the right
A. multiplies by 2
B. divides by 2
C. decreases by 10
D. increases by 10

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6. The cumulative addition of the four binary bits (1 + 1 + 1 + 1) gives
A.1111
B.111
C.100
D.1001

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7. The result of binary subtraction (100 ? 011) is
A. ?111
B.111
C.11
D.1

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