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onthi - Part I(Q1-Q16 Q1 An Operating System is a A program...

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Part I: (Q1-Q16) Q1 : An Operating System is? a) A program that acts as an intermediary between computer processor and computer memory b) A program that acts as an intermediary between a user of a computer and a user of another computer c) A program that acts as an intermediary between computer software and computer hardware d) A program that acts as an intermediary between a user of a computer and the computer hardware Correct: d Q2 : What is the main characteristic of embedded operating system? a) Multiple CPU b) Time-sharing c) Many I/O devices d) Restriction of memory size, speed of CPU, screen size, powers Correct: d Q3 : What is the main difference function between Operating Systems for Mainframe computer and Personal computer? a) Multitask b) Many I/O devices c) Multi-user d) Multiprogramming Correct: b Q4 : What is the value of mode bit in User Mode? a) 0 b) 1 c) 00 d) 11 Correct: b Q5 : Which of the following is Operating System component? a) Time Management b) Space Management c) Speed Management d) File Management Correct: d Q6 : Which is the voluntary-condition which terminated process? a) Job error b) Killed by another process c) Error exit d) Killed by user Correct: c Q7 : Which is the correct description of transitions between process states below?
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