Operating systems concept MCQ Test 8

By | October 3, 2017
Question 1
What is role of base/bound registers ?
A
They give starting address to a program
B
Program's addresses are neatly confined to space between the base and the bound registers
C
They provide encrypted environment
D
This technique doesn't protects a program's address from modification by another user
Question 2
..... is the time required by a sector to reach below read/write head.
A
Seek Time
B
Latency Time
C
Access time
D
None of the above
Question 3
Commonly used secondary memory is
A
CD
B
DVD
C
floppy
D
magnetic disk
Question 4
Which option will be used with ps command to slow the entire command line of the process being run?
A
-4
B
-f
C
-1
D
-2
Question 5
Consider the following C code for process P1 and P2. a=4, b=0, c=0 (initialization) P1 P2 if (a < 0) b = 10; c = b-a; a = -3; else c = b+a; If the processes P1 and P2 executes concurrently (shared variables a, b and c), which of the following cannot be the value of 'c' after both processes complete?
A
4
B
7
C
10
D
13
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There are 5 questions to complete.

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