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Digital Electronics
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Number Systems and Codes
Comments
Question
What is the decimal value of the hexadecimal number 777?
Options
A. 191
B. 1911
C. 19
D. 19111
Correct Answer
1911
Number Systems and Codes problems
Search Results
1. The decimal number 18 is equal to the binary number ________.
Options
A. 11110
B. 10001
C. 10010
D. 1111000
Show Answer
Scratch Pad
Discuss
Correct Answer: 10010
2. An informational signal that makes use of binary digits is considered to be:
Options
A. solid state
B. digital
C. analog
D. non-oscillating
Show Answer
Scratch Pad
Discuss
Correct Answer: digital
3. The voltages in digital electronics are continuously variable.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
4. Convert hexadecimal C0B to binary.
Options
A. 110000001011
B. 110000001001
C. 110000001100
D. 110100001011
Show Answer
Scratch Pad
Discuss
Correct Answer: 110000001011
5. One hex digit is sometimes referred to as a(n):
Options
A. byte
B. nibble
C. grouping
D. instruction
Show Answer
Scratch Pad
Discuss
Correct Answer: nibble
6. Convert the following BCD number to decimal.
010101101001
bcd
Options
A. 539
B. 2551
C. 569
D. 1552
Show Answer
Scratch Pad
Discuss
Correct Answer: 569
7. 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
8. 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
9. 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
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Discuss
Correct Answer: infinite
10. Convert 11001001
2
(binary) to decimal.
Options
A. 201
B. 2001
C. 20
D. 210
Show Answer
Scratch Pad
Discuss
Correct Answer: 201
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