Number Systems and Codes - General Question (4)

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Number Systems and Codes - General Question

25.

The binary number for F3A₁₆ is ________.

A.	111100111010
B.	111100111110
C.	000000111010
D.	000011000100

Answer: Option C

Explanation:

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26.

The binary number 11001110 is equal to the decimal number ________.

A.	12
B.	206
C.	127
D.	66

Answer: Option B

Explanation:

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27.

Convert the following BCD number to decimal.
010101101001_bcd

A.	539
B.	2551
C.	569
D.	1552

Answer: Option C

Explanation:

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28.

Express the decimal number –37 as an 8-bit number in sign-magnitude.

A.	10100101
B.	00100101
C.	11011000
D.	11010001

Answer: Option A

Explanation:

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29.

Convert the following decimal number to BCD.
469

A.	100101101000
B.	010001101001
C.	100001101001
D.	100101100100

Answer: Option B

Explanation:

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30.

The 2's complement of 11100111 is ________.

A.	11100110
B.	00011001
C.	00011000
D.	00011010

Answer: Option B

Explanation:

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31.

The decimal number 18 is equal to the binary number ________.

A.	11110
B.	10001
C.	10010
D.	1111000

Answer: Option C

Explanation:

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32.

The binary-coded decimal (BCD) system can be used to represent each of the 10 decimal digits as a(n):

A.	4-bit binary code
B.	8-bit binary code
C.	16-bit binary code
D.	ASCII code

Answer: Option A

Explanation:

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