COMPUTER SCIENCE ILLUMIN.-TEXT
COMPUTER SCIENCE ILLUMIN.-TEXT
7th Edition
ISBN: 9781284156010
Author: Dale
Publisher: Jones & Barlett
Question
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Chapter 18, Problem 37E

a.

Program Plan Intro

Parity bit:

Parity bit is the simplest form of error detection code.

  • A bit added at the end of a string of binary code is called as parity bit. It is otherwise called check bit.
  • This parity bit indicates whether the number of bits in the binary code with the value 1 is even or odd.
    • If the binary code contains even number of 1, it is referred to as even parity.
    • If the binary code contains odd number of 1, it is referred to as odd parity.
  • There are two types of parity bits:
    • Even parity bit
    • Odd parity bit

Odd parity bit:

  • Odd parity bit is set to 1, if the count of one’s in a given binary code is even without including the parity bit.
  • Otherwise, it is set to 0, if the count of one’s in a given binary code is odd.

b.

Explanation of Solution

Find the odd parity bit of 8-bit code:

The parity bit for 8-bit binary code 10101010 (Consider the binary code is odd parity) is determined by,

  • The binary code 10101010 contains 4 one’s and 4 zeroes...

c.

Explanation of Solution

Find the odd parity bit of 8-bit code:

The parity bit for 8-bit binary code 11111111 (Consider the binary code is odd parity) is determined by,

  • The binary code 11111111 contains 8 one’s and no zeroes...

d.

Explanation of Solution

Find the odd parity bit of 8-bit code:

The parity bit for 8-bit binary code 00000000 (Consider the binary code is odd parity) is determined by,

  • The binary code 00000000 contains 8 zeroes and no ones...

e.

Explanation of Solution

Find the odd parity bit of 8-bit code:

The parity bit for 8-bit binary code 11101111 (Consider the binary code is odd parity) is determined by,

  • The binary code 11101111 contains 7 one’s and 1 zero is present...

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