The sum of 11101 + 10111 equals ________. 110011 100001 110100 100100

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Home ‣ Digital Electronics ‣ Number Systems and Codes Comments

Question
The sum of 11101 + 10111 equals ________.
Options
A. 110011
B. 100001
C. 110100
D. 100100

Correct Answer

110100

Number Systems and Codes problems

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1. 3428 is the decimal value for which of the following binary-coded decimal (BCD) groupings?
Options
A. 11010001001000
B. 11010000101000
C. 011010010000010
D. 110100001101010

Discuss

Correct Answer: 11010000101000

2. A binary number's value changes most drastically when the ________ is changed.
Options
A. MSB
B. frequency
C. LSB
D. duty cycle

Discuss

Correct Answer: MSB

3. How many bits are in an ASCII character?
Options
A. 16
B. 8
C. 7
D. 4

Discuss

Correct Answer: 7

4. Convert the following hexadecimal number to binary.
14B₁₆
Options
A. 101101000001₂
B. 000101001011₂
C. 000101001101₂
D. 110101000001₂

Discuss

Correct Answer: 000101001011₂

5. The binary number 11101011000111010 can be written in hexadecimal as ________.
Options
A. DD63A₁₆
B. 1D63A₁₆
C. 1D33A₁₆
D. 1D631₁₆

Discuss

Correct Answer: 1D63A₁₆

6. The sum of the two BCD numbers, 0011 + 0011, is ________.
Options
A. 0110
B. 0111
C. 0011
D. 1100

Discuss

Correct Answer: 0110

7. Convert binary 1001 to hexadecimal.
Options
A. 9₁₆
B. 11₁₆
C. 101₁₆
D. 10₁₆

Discuss

Correct Answer: 9₁₆

8. 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.

Discuss

Correct Answer: The relative ease of converting to and from decimal.

9. 3 � 10¹ + 7 � 10⁰ is equal to ________.
Options
A. 3.7
B. 37
C. 10
D. 370

Discuss

Correct Answer: 37

10. The 2's complement of 11100111 is ________.
Options
A. 11100110
B. 00011001
C. 00011000
D. 00011010

Discuss

Correct Answer: 00011001

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