Computer Science Illuminated
7th Edition
ISBN: 9781284155617
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
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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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I need help creating the network diagram and then revising it for the modified activity times.
Activity No.
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Immediate Predecessors
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Requirements collection
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Process analysis
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Data analysis
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Logical design
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c. Using the information from part b, prepare a network diagram. Identify the critical path.
Given the following Extended-BNF grammar of the basic mathematical expressions:
Show the derivation steps for the expression: ( 2 + 3 ) * 6 – 20 / ( 3 + 1 )
Draw the parsing tree of this expression.
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Chapter 18 Solutions
Computer Science Illuminated
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