1
GATE CSE 2012
MCQ (Single Correct Answer)
+1
-0.3
A process executes the code
fork $$\left( {\,\,\,} \right);$$
fork $$\left( {\,\,\,} \right);$$
fork $$\left( {\,\,\,} \right);$$
The total number of child processes created is
A
$$3$$
B
$$4$$
C
$$7$$
D
$$8$$
2
GATE CSE 2011
MCQ (Single Correct Answer)
+1
-0.3
A Computer handles several interrupt sources of which the following are relevant for this question:

$$ * \,\,\,$$ Interrupt from $$CPU$$ temperature sensor (raises interrupt if $$CPU$$ temperature is too high)

$$ * \,\,\,$$ Interrupt from Mouse (raises interrupt if the mouse is moved or a button is pressed)

$$ * \,\,\,$$ Interrupt from keyboard (raises interrupt when a key is pressed or release)

$$ * \,\,\,$$ Interrupt from Hard Disk (raises interrupt when a disk read is completed)>/p>

Which one these will be handled at the HIGHEST priority?

A
Interrupt from Hard Disk
B
Interrupt from Mouse
C
Interrupt from Keyboard
D
Interrupt from $$CPU$$ temperature sensor.
3
GATE CSE 2011
MCQ (Single Correct Answer)
+1
-0.3
Let the time taken to switch between user and kernel modes of execution be $${t_1}$$ while the time taken to switch between two processes be $${t_2}$$.

Which of the following is TRUE?

A
$${t_1} > {t_2}$$
B
$${t_1} = {t_2}$$
C
$${t_1} < {t_2}$$
D
Nothing can be said about the relation between $${t_1}$$ and $${t_2}.$$
4
GATE CSE 2011
MCQ (Single Correct Answer)
+1
-0.3
A thread is usually defined as a ''light weight process'' because an operating system $$(OS)$$ maintains smaller data structures for a thread than for a process. In relation to this, which of the following is TRUE?
A
On per-thread basis, the $$OS$$ maintains only $$CPU$$ register state.
B
The $$OS$$ does not maintain a separate stack for each thread
C
On per-thread basis, the $$OS$$ does not maintain virtual memory state.
D
On per-thread basis, the $$OS$$ maintains only scheduling and accounting
GATE CSE Subjects
Software Engineering
Web Technologies
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12