1
GATE CSE 2011
MCQ (Single Correct Answer)
+2
-0.6
Consider a finite sequence of random values $$X = \left\{ {{x_1},{x_2},{x_3}, - - - - - {x_n}} \right\}..$$ Let $${\mu _x}$$ be the mean and $${\sigma _x}$$ be the standard deviation of $$X.$$ Let another finite sequence $$Y$$ of equal length be derived from this $${y_i} = a.{x_i} + b,$$ where $$a$$ and $$b$$ are positive constants. Let $${\mu _y}$$ be the mean and $${\sigma _y}$$ be the standard deviation of this sequence. Which one of the following statements is incorrect?
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?
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?
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?
Paper analysis
Total Questions
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6
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1
Computer Networks
4
Computer Organization
5
Data Structures
2
Database Management System
4
Digital Logic
4
Discrete Mathematics
10
Operating Systems
5
Programming Languages
3
Software Engineering
4
Theory of Computation
4
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