Electronics - Number Systems and Codes
Exercise :: Number Systems and Codes - Filling the Blanks
| 1. |
Digital electronics is based on the _________ numbering system. |
| A. |
decimal | | B. |
hexadecimal | | C. |
binary | | D. |
octal |
Answer: Option C
Explanation:
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| 2. |
A BCD code that represents each digit of a decimal number by a binary number derived by adding 3 to its 4-bit true binary value is _________. |
| A. |
9's complement code | | B. |
excess-3 code | | C. |
8421 code | | D. |
gray code |
Answer: Option B
Explanation:
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| 3. |
A binary code that progresses such that only one bit changes between two successive codes is _________. |
| A. |
9's complement code | | B. |
excess-3 code | | C. |
8421 code | | D. |
gray code |
Answer: Option D
Explanation:
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| 4. |
A binary number's value changes most drastically when the ____ is changed. |
Answer: Option C
Explanation:
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| 5. |
The binary coded decimal (BCD) code is a system that represents 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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