(1) Describe the following terms concisely: (a) GUI; (b) device driver. (2) What is the role of the “shell" of an operating system? What is the role of the "kemel" of an operating system? (3) Summarize the role of each following components of a typical operating system in a single phrase: (a) scheduler; (b) dispatcher.

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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3.
About operating system
(1) Describe the following terms concisely: (a) GUI; (b) device driver.
(2) What is the role of the “shell" of an operating system? What is the role of the
“kernel" of an operating system?
(3) Summarize the role of each following components of a typical operating system
in a single phrase: (a) scheduler; (b) dispatcher.
(4) If a typist types 50 words per minute, where a word is considered 6 characters in
average, how much time would pass between typing each character? If a
multiprogramming operating system allocated time slices in 10 millisecond units
and we ignore the time required for process switch, how many time slices could
be allocated between characters being types?
Transcribed Image Text:3. About operating system (1) Describe the following terms concisely: (a) GUI; (b) device driver. (2) What is the role of the “shell" of an operating system? What is the role of the “kernel" of an operating system? (3) Summarize the role of each following components of a typical operating system in a single phrase: (a) scheduler; (b) dispatcher. (4) If a typist types 50 words per minute, where a word is considered 6 characters in average, how much time would pass between typing each character? If a multiprogramming operating system allocated time slices in 10 millisecond units and we ignore the time required for process switch, how many time slices could be allocated between characters being types?
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