CS604 Solved Mega Quiz 2 Fall 2012

CS604 Quiz #2 Fall 2012 Solved With Reference

1…………….. Is caused due to unavailability of resources

Answer: Starvation Lec#23 p#112

2 The type of semaphore, whose value can not be greater than 1, is……………

Answer: Binary Semaphore Lec#24 p#114

3…………. Separates logical memory from physical memory

Answer: Virtual Memory Lec#37 p# 185

4……………. Register is used to point the smallest memory address of a process and its size.

Answer: Limit Register Lec# 31 p#158

5 There is no dynamic address translation in case of …………………….

Answer: MFT (Multi-Programming with Fixed Tasks) Lec#31 p#159

6 If HR is hit ratio and MR is miss ratio then effective access time is given by…………..

Teffective = HR (TTLB+ Tmem) + MR (TTLB + 2Tmem) Lec#33 p#167

7 Variation of fork ( ) system call used by UNIX is………….

Answer: vfork ( ) Virtual fork Lec#38 p# 193

8 FIFO page replacements has lowest page fault rates

Answer: False Correct Optimal Algorithm Lec#38 p#199 9 Correct about LRU is …………….

Answer: Replacement with least recently used page Lec#39 p#199

Physical memory is broken into fixed sized blocks called……………..

Answer: Frames Lec#32 p#162

You can use the rm file1 command to __________ file1 Retrieve

Remove

Make modify __________ commands in Linux is used to copy file Is

cp

mv mkdir

The correct command for compiling C program named program.c in Linux environment is

gcc program.c –o FirstPrgram

gcc –o FirstProgram program.c gcc –z FirstProgram program.c gcc program.c –m FirstPrgram

Q1. of 10 ( Start time: 04:38:33 PM ) Total Marks: 1

Long term

Swapper

Quiz Start Time: 04:38 PM Time Left 84 sec(s)

Q2. of 10 ( Start time: 04:38:49 PM ) Total Marks: 1

Q6. of 10 ( Start time: 05:16:16 PM ) Total Marks: 1 __________ displays information about the top processes.

ls cs top cd

Q7. of 10 ( Start time: 05:16:27 PM ) Total Marks: 1

File

Screen

Printer

Scanner

Q8. of 10 ( Start time: 05:17:51 PM ) Total Marks: 1

fork

exec

wait

exit