A complete alphanumeric code would include 26 lowercase letters, 26 uppercase le

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Question
A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from ________ to ________ other characters.
Options
A. 5, 10
B. 10, 15
C. 10, 20
D. 20, 40

Correct Answer

20, 40

Number Systems and Codes problems

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1. Hexadecimal AA is ________ in decimal.
Options
A. 165₁₀
B. 170₁₀
C. 186₁₀
D. 176₁₆

Discuss

Correct Answer: 170₁₀

2. Hexadecimal 16 is ________ in decimal.
Options
A. 32₁₀
B. 22₁₀
C. 25₁₀
D. 27₁₀

Discuss

Correct Answer: 22₁₀

3. Hexadecimal 44 is ________ in binary.
Options
A. 01000100
B. 10011010
C. 01011000
D. 10001100

Discuss

Correct Answer: 01000100

4. The decimal equivalent of the BCD number 1010 is ________.
Options
A. 8
B. 10
C. 12
D. invalid

Discuss

Correct Answer: invalid

5. An unweighted code in which only one bit changes from one code number to the next is ________.
Options
A. BCD
B. Excess-3
C. Gray
D. ASCII

Discuss

Correct Answer: Gray

6. Adding a zero to the leftmost bit of an ASCII code is called ________.
Options
A. extra zero
B. zero padding

Discuss

Correct Answer: zero padding

7. Resistors?usually 300 Ω apiece?inserted between a decoder and a 7-segment display are ________.
Options
A. pull-up resistors to keep logic HIGH when the input is open
B. sense resistors to enable a test of logic levels
C. current limiting resistors for the 7-segment display
D. surge resistors to prevent damage from power-line variations

Discuss

Correct Answer: current limiting resistors for the 7-segment display

8. The MSB of 11001 is ________.
Options
A. 1
B. 1100
C. C
D. 19₁₆

Discuss

Correct Answer: 1

9. The ________ code represents alphanumeric characters as seven-bit binary numbers.
Options
A. ASCII
B. octal
C. alphanumeric
D. Boy Scout

Discuss

Correct Answer: ASCII

10. The Ex-NOR is sometimes called the equality gate.
Options
A. True
B. False

Discuss

Correct Answer: True

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A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from to other characters.

Number Systems and Codes problems

Search Results

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A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from ________ to ________ other characters.

Number Systems and Codes problems

Search Results

More in Digital Electronics:

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A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from to other characters.