Question
Download Solution PDFIf A & B are 8 bit right shift registers connected as shown in fig. and the initial values of A & B in hexadecimal are B2 and OF respectively, the value of A in hexadecimal after 6 clock pulses is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFInitial Values:
- Register A (Initial Value): B2 (in hexadecimal)
- Register B (Initial Value): OF (in hexadecimal)
Binary Representation of Initial Values:
- B2 (Hexadecimal) = 10110010 (Binary)
- OF (Hexadecimal) = 00001111 (Binary)
Analysis of Right Shift Operation:
| Clock Pulse | Register B (8-bit) | Output Bit from B (→ A input) | Register A (Before) | Register A (After Shift) | A (Hex) |
|---|---|---|---|---|---|
| 0 (Initial) | 00001111 (0F) | – | 10110010 (B2) | 10110010 | B2 |
| 1 | 00000111 | 1 | 10110010 | 11011001 | D9 |
| 2 | 00000011 | 1 | 11011001 | 11101100 | EC |
| 3 | 00000001 | 1 | 11101100 | 11110110 | F6 |
| 4 | 00000000 | 1 | 11110110 | 11111011 | FB |
| 5 | 00000000 | 0 | 11111011 | 01111101 | 7D |
| 6 | 00000000 | 0 | 01111101 | 00111110 | 3E |
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