Number Systems and Codes - General Question (2)

Directions to Solve

Number Systems and Codes - General Question

9.

Alphanumeric codes should include as a minimum:

A.	the capacity to represent the alphabet upper- and lowercase characters and the decimal numbers in a straight binary format.
B.	the capacity to code all possible decimal numbers in a direct octal representation of BCD codes.
C.	the alphabet upper- and lowercase letters, the decimal digits, the seven punctuation marks, and other characters or symbols.
D.	the ability to represent decimal numbers greater than 12810 in a straight binary format.

Answer: Option C

Explanation:

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10.

The BCD number for decimal 16 is ________.

A.	00010110
B.	00010000
C.	00010010
D.	11100000

Answer: Option A

Explanation:

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11.

Convert the following hexadecimal number to decimal.
B5₁₆

A.	212
B.	197
C.	165
D.	181

Answer: Option D

Explanation:

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12.

The American Standard Code for Information Interchange (ASCII) uses how many individual pulses for any given character?

A.	1
B.	2
C.	7
D.	8

Answer: Option C

Explanation:

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13.

Convert 11001001₂ (binary) to decimal.

A.	201
B.	2001
C.	20
D.	210

Answer: Option A

Explanation:

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14.

What is the decimal value of the hexadecimal number 777?

A.	191
B.	1911
C.	19
D.	19111

Answer: Option B

Explanation:

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15.

Convert 731₁₆ to decimal.

A.	216.4
B.	985
C.	3D9
D.	1841

Answer: Option D

Explanation:

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16.

Convert binary 1001 to hexadecimal.

A.	916
B.	1116
C.	10116
D.	1016

Answer: Option A

Explanation:

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