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Operating Systems
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Course Name
BSc IT (Bachelor of Science in Information Technology)
Subject Code BT0070 (Operating Systems )
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PART - A
PART - B
PART - C
Subject : Operating Systems
BT0070 : PART - C
| Q. 1 | ________ is not a circumstance in which
CPU scheduling decisions take place
a. process switches from the running state to
the waiting state
b. process switches from the running state to
the ready state
c. process switches from the |
| | A) | a, b, c |
| B) | only b & d | | C) | b, c, d | | D) | All of above | | | | | Q. 2 | Select true statement from the following
with respect to advantages of Linux
a. Linux provides an excellent return on
investment as it is freely downloadable
b. It cant be put to work on desktop
c. It provides royalty free development |
| | A) | True, False, True, False |
| B) | False, True, False, True | | C) | True, True, False, False | | D) | False, False, True, True | | | | | Q. 3 | Match the following
Set A
i. Jobs
ii. Ctrl+Z
iii. Ctrl+C
iv. Bg
Set B
a. Reactivate a suspended program in the
background
b. Stop a process running in the foreground
c. Show commands in the background
d. Interup |
| | A) | i-a, ii-b, iii-c, iv-d |
| B) | i-d, ii-c, iii-b, iv-a | | C) | i-c, ii-d, iii-b, iv-a | | D) | i-c, ii-d, iii-b, iv-a | | | | | Q. 4 | Match the following Hard drives with their
names in Linux
SET A
1. First IDE
2. Second IDE
3. Third IDE
4. Fourth IDE
SET B
a. /dev/hda
b. /dev/hdb
c. /dev/hdc
d. /dev/hdd |
| | A) | 1 – a, 2 – b, 3 – c, 4 – d |
| B) | 1 – b, 2 – c, 3 – d, 4 – a | | C) | 1 – c, 2 – d, 3 – a, 4 – b | | D) | 1 – d, 2 – a, 3 – b, 4 – c | | | | | Q. 5 | The output of the following code will be
$cat > mtable
if [ $# -eq 0]
then
echo “number missing from command line
argument”
exit 1
fi
n=$1
for I in 1 2 3 4 5 6 7 8 9 10
do
echo “$n * $i = ‘expr $i \* $n’”
do |
| | A) | It will print addition of all numbers from 1 to
10 |
| B) | It will print multiplication of all numbers
from 1 to 10 | | C) | It will print multiplication table of user
entered number | | D) | It will generate error | | | |
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