A business student has approached you for assistance in doing an ICT assignment that he has been struggling with, regarding modes of execution of instructions in a computer system. (i). Clearly explain, in your own words, the difference between User mode and Kernel mode of execution of instructions in a computer system; draw diagram to illustrate your answer. (ii). Describe the circumstances for which System Calls may be invoked; and explain how the operating system responds to such invocation.
A business student has approached you for assistance in doing an ICT assignment that he has been struggling with, regarding modes of execution of instructions in a computer system. (i). Clearly explain, in your own words, the difference between User mode and Kernel mode of execution of instructions in a computer system; draw diagram to illustrate your answer. (ii). Describe the circumstances for which System Calls may be invoked; and explain how the operating system responds to such invocation.
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...
Related questions
Question
A business student has approached you for assistance in doing an ICT assignment that he has been struggling with, regarding modes of execution of instructions in a computer system.
(i). Clearly explain, in your own words, the difference between User mode and Kernel mode of execution of instructions in a computer system; draw diagram to illustrate your answer.
(ii). Describe the circumstances for which System Calls may be invoked; and explain how the
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
Systems Architecture
Computer Science
ISBN:
9781305080195
Author:
Stephen D. Burd
Publisher:
Cengage Learning
Systems Architecture
Computer Science
ISBN:
9781305080195
Author:
Stephen D. Burd
Publisher:
Cengage Learning