Introduction To Computing Systems
Introduction To Computing Systems
3rd Edition
ISBN: 9781260150537
Author: PATT, Yale N., Patel, Sanjay J.
Publisher: Mcgraw-hill,
Expert Solution & Answer
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Chapter 2, Problem 13E

a.

Explanation of Solution

To convert “1010” into eight-bit 2’s complement number:

  • The LSB of the binary number is “1” and it represents the sign of the decimal value is negative.
  • The magnitude of negative number does not change by lengthening the sign bit “1” as many bit positions to the left as intended.
  • As the sign bit is extended, the operation is referred as Sign-EXTension and it is abbreviated as “SEXT”.
  • Sign-extension is accomplished in order to be able to work on representations of dissimilar lengths...

b.

Explanation of Solution

To convert “011001” into eight-bit 2’s complement number:

  • The LSB of the binary number is “0” and it represents the sign of the decimal value is positive.
  • The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended.
  • As the sign bit is extended, the operation is referred as Sign-EXTension and it is abbreviated as “SEXT”.
  • Sign-extension is accomplished in order to be able to work on representations of dissimilar lengths...

c.

Explanation of Solution

To convert “1111111000” into eight-bit 2’s complement number:

  • The LSB of the binary number is “1” and it represents the sign of the decimal value is negative.
  • Since the given binary number consists of “...

d.

Explanation of Solution

To convert “01” into eight-bit 2’s complement number:

  • The LSB of the binary number is “0” and it represents the sign of the decimal value is positive.
  • The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended.
  • As the sign bit is extended, the operation is referred as Sign-EXTension and it is abbreviated as “SEXT”.
  • Sign-extension is accomplished in order to be able to work on representations of dissimilar lengths...

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