Introduction to Digital Systems – Exercise – 1

6. The generic array logic (GAL) device is ________.

(a) one-time programmable
(b) reprogrammable
(c) a CMOS device
(d) reprogrammable and a CMOS device

Answer
Answer : (b)
Explanation
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7. Any number with an exponent of zero is equal to:

(a) zero
(b) one
(c) that number
(d) ten

Answer
Answer : (b)
Explanation
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8. Which of the following statements does NOT describe an advantage of digital technology?

(a) The values may vary over a continuous range.
(b) The circuits are less affected by noise.
(c) The operation can be programmed.
(d) Information storage is easy.

Answer
Answer : (a)
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9. In the decimal numbering system, what is the MSD?

(a) The middle digit of a stream of numbers
(b) The digit to the right of the decimal point
(c) The last digit on the right
(d) The digit with the most weight

Answer
Answer : (d)
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10. The range of voltages between VL(max) and VH(min) are ________.

(a) unknown
(b) unnecessary
(c) unacceptable
(d) between 2 V and 5 V

Answer
Answer : (c)
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