1. About representing information as bit patterns (1) Describe the following terms concisely: (a) ASCII; (b) Unicode.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1.
About representing information as bit patterms
(1) Describe the following terms concisely: (a) ASCII; (b) Unicode.
(2) Solve each of the following problems by translating the values into two's
complement notation (using patterns of 4 bits), converting any subtraction
problem to an equivalent addition problem, and performing that addition. Check
your work by converting your answer to base ten notation and identify which the
answer is incorrect because of overflow.
(a) 5 – 5 (b) (-5)-5
(3) The IEEE 754 standard specifies a single-precision binary floating-point format
(binary32) as having 1 bit for sign bit, 8 bits for exponent, and 23 bits for
fractions (mantissa). Given the conversion formula as follows,
value2 = (-1)b31 × (1. b22b21 .. bo)2 × 2(b30b29-.b23)2=127
(a) encode -2.2510 ; (b) decode 0 1000 0001 011 0000 0000 0000 0000 00002
(4) What are some differences between bitmap and vector images?
Transcribed Image Text:1. About representing information as bit patterms (1) Describe the following terms concisely: (a) ASCII; (b) Unicode. (2) Solve each of the following problems by translating the values into two's complement notation (using patterns of 4 bits), converting any subtraction problem to an equivalent addition problem, and performing that addition. Check your work by converting your answer to base ten notation and identify which the answer is incorrect because of overflow. (a) 5 – 5 (b) (-5)-5 (3) The IEEE 754 standard specifies a single-precision binary floating-point format (binary32) as having 1 bit for sign bit, 8 bits for exponent, and 23 bits for fractions (mantissa). Given the conversion formula as follows, value2 = (-1)b31 × (1. b22b21 .. bo)2 × 2(b30b29-.b23)2=127 (a) encode -2.2510 ; (b) decode 0 1000 0001 011 0000 0000 0000 0000 00002 (4) What are some differences between bitmap and vector images?
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