Discussion
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- Question
Hexadecimal 44 is ________ in binary.
Options- A. 01000100
- B. 10011010
- C. 01011000
- D. 10001100
- Correct Answer
- 01000100
- 1. The decimal equivalent of the BCD number 1010 is ________.
Options- A. 8
- B. 10
- C. 12
- D. invalid Discuss
- 2. 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
- 3. Decimal 474 is ________ in BCD.
Options- A. 0100 0111 0100
- B. 0100 1011 0101
- C. 0100 1001 0011
- D. 0110 1011 1001 Discuss
- 4. Hexadecimal 44 is ________ in decimal.
Options- A. 6810
- B. 7410
- C. 7710
- D. 9810 Discuss
- 5. The largest BCD number that can be represented with four binary bits is ________.
Options- A. 9
- B. 10
- C. 15
- D. 16 Discuss
- 6. Hexadecimal 16 is ________ in decimal.
Options- A. 3210
- B. 2210
- C. 2510
- D. 2710 Discuss
- 7. Hexadecimal AA is ________ in decimal.
Options- A. 16510
- B. 17010
- C. 18610
- D. 17616 Discuss
- 8. 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 Discuss
- 9. Adding a zero to the leftmost bit of an ASCII code is called ________.
Options- A. extra zero
- B. zero padding Discuss
- 10. 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
Number Systems and Codes problems
Search Results
Correct Answer: invalid
Correct Answer: Gray
Correct Answer: 0100 0111 0100
Correct Answer: 6810
Correct Answer: 9
Correct Answer: 2210
Correct Answer: 17010
Correct Answer: 20, 40
Correct Answer: zero padding
Correct Answer: current limiting resistors for the 7-segment display
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