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Digital Electronics
‣
Number Systems and Codes
Comments
Question
The decimal number 188 is equal to the binary number ________.
Options
A. 10111100
B. 0111000
C. 1100011
D. 1111000
Correct Answer
10111100
Number Systems and Codes problems
Search Results
1. Convert 731
16
to decimal.
Options
A. 216.4
B. 985
C. 3D9
D. 1841
Show Answer
Scratch Pad
Discuss
Correct Answer: 1841
2. Convert 11001001
2
(binary) to decimal.
Options
A. 201
B. 2001
C. 20
D. 210
Show Answer
Scratch Pad
Discuss
Correct Answer: 201
3. An analog signal has a range from 0 V to 5 V. What is the total number of analog possibilities within this range?
Options
A. 5
B. 50
C. 250
D. infinite
Show Answer
Scratch Pad
Discuss
Correct Answer: infinite
4. Convert the following decimal number to 8-bit binary.
187
Options
A. 10111011
2
B. 11011101
2
C. 10111101
2
D. 10111100
2
Show Answer
Scratch Pad
Discuss
Correct Answer: 10111011
2
5. The binary number 1110 is equal to the decimal number ________.
Options
A. 3
B. 1
C. 7
D. 14
Show Answer
Scratch Pad
Discuss
Correct Answer: 14
6. Why is an exclusive-NOR gate also called an equality gate?
Options
A. The output is false if the inputs are equal.
B. The output is true if the inputs are opposite.
C. The output is true if the inputs are equal.
Show Answer
Scratch Pad
Discuss
Correct Answer: The output is true if the inputs are equal.
7. Determine odd parity for each of the following data words:
1011101 11110111 1001101
Options
A.
P
= 1,
P
= 1,
P
= 0
B.
P
= 0,
P
= 0,
P
= 0
C.
P
= 1,
P
= 1,
P
= 1
D.
P
= 0,
P
= 0,
P
= 1
Show Answer
Scratch Pad
Discuss
Correct Answer:
P
= 0,
P
= 0,
P
= 1
8. A logic circuit that provides a HIGH output for both inputs HIGH or both inputs LOW is a(n):
Options
A. Ex-NOR gate
B. OR gate
C. Ex-OR gate
D. NAND gate
Show Answer
Scratch Pad
Discuss
Correct Answer: Ex-NOR gate
9. Parity systems are defined as either________ or ________ and will add an extra ________ to the digital information being transmitted.
Options
A. positive, negative, byte
B. odd, even, bit
C. upper, lower, digit
D. on, off, decimal
Show Answer
Scratch Pad
Discuss
Correct Answer: odd, even, bit
10. How is odd parity generated differently from even parity?
Options
A. The first output is inverted.
B. The last output is inverted.
Show Answer
Scratch Pad
Discuss
Correct Answer: The last output is inverted.
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