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Digital Electronics
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Number Systems and Codes
Comments
Question
The sum of the two BCD numbers, 0011 + 0011, is ________.
Options
A. 0110
B. 0111
C. 0011
D. 1100
Correct Answer
0110
Number Systems and Codes problems
Search Results
1. The sum of 11101 + 10111 equals ________.
Options
A. 110011
B. 100001
C. 110100
D. 100100
Show Answer
Scratch Pad
Discuss
Correct Answer: 110100
2. 3428 is the decimal value for which of the following binary-coded decimal (BCD) groupings?
Options
A. 11010001001000
B. 11010000101000
C. 011010010000010
D. 110100001101010
Show Answer
Scratch Pad
Discuss
Correct Answer: 11010000101000
3. A binary number's value changes most drastically when the ________ is changed.
Options
A. MSB
B. frequency
C. LSB
D. duty cycle
Show Answer
Scratch Pad
Discuss
Correct Answer: MSB
4. How many bits are in an ASCII character?
Options
A. 16
B. 8
C. 7
D. 4
Show Answer
Scratch Pad
Discuss
Correct Answer: 7
5. Convert the following hexadecimal number to binary.
14B
16
Options
A. 101101000001
2
B. 000101001011
2
C. 000101001101
2
D. 110101000001
2
Show Answer
Scratch Pad
Discuss
Correct Answer: 000101001011
2
6. Convert binary 1001 to hexadecimal.
Options
A. 9
16
B. 11
16
C. 101
16
D. 10
16
Show Answer
Scratch Pad
Discuss
Correct Answer: 9
16
7. Which of the following is the primary advantage of using the BCD code instead of straight binary coding?
Options
A. Fewer bits are required to represent a decimal number with the BCD code.
B. The relative ease of converting to and from decimal.
C. BCD codes are easily converted to hexadecimal codes.
D. BCD codes are easily converted to straight binary codes.
Show Answer
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Discuss
Correct Answer: The relative ease of converting to and from decimal.
8. 3 × 10
1
+ 7 × 10
0
is equal to ________.
Options
A. 3.7
B. 37
C. 10
D. 370
Show Answer
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Discuss
Correct Answer: 37
9. The 2's complement of 11100111 is ________.
Options
A. 11100110
B. 00011001
C. 00011000
D. 00011010
Show Answer
Scratch Pad
Discuss
Correct Answer: 00011001
10. Convert hexadecimal value 16 to decimal.
Options
A. 22
10
B. 16
10
C. 10
10
D. 20
10
Show Answer
Scratch Pad
Discuss
Correct Answer: 22
10
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