12. If A=10010101. Then what will be the value in 'A' after execution (a) RR A (b) RL A (c) SWAP A

Computer Networking: A Top-Down Approach (7th Edition)
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**Problem 12: Bitwise Operations on a Binary Number**

If A = 10010101, determine the resulting value in 'A' after the execution of the following operations:

(a) RR A

(b) RL A

(c) SWAP A

**Explanation:**

- **RR A (Rotate Right):** This operation rotates all bits of the binary number to the right. The rightmost bit is wrapped around to the leftmost position.

- **RL A (Rotate Left):** This operation rotates all bits of the binary number to the left. The leftmost bit is wrapped around to the rightmost position.

- **SWAP A:** This operation swaps the nibbles (4 bits) in the binary number. For an 8-bit number, the left four bits are swapped with the right four bits.
Transcribed Image Text:**Problem 12: Bitwise Operations on a Binary Number** If A = 10010101, determine the resulting value in 'A' after the execution of the following operations: (a) RR A (b) RL A (c) SWAP A **Explanation:** - **RR A (Rotate Right):** This operation rotates all bits of the binary number to the right. The rightmost bit is wrapped around to the leftmost position. - **RL A (Rotate Left):** This operation rotates all bits of the binary number to the left. The leftmost bit is wrapped around to the rightmost position. - **SWAP A:** This operation swaps the nibbles (4 bits) in the binary number. For an 8-bit number, the left four bits are swapped with the right four bits.
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