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0
votes
1
answer
1
Spin lock vs Mutexes
If no resource is free then: a) Both Spin lock and mutexes will keep on spinning on the blocked variable b) Both Spin lock and mutexes will go to sleep and check the variable periodically. c) Spin lock will keep on ... ) Mutexes will keep on spinning on the blocked variable while Spin lock will go to sleep and check the variable periodically.
asked
Mar 15
in
Operating System

31
views
processsynchronization
operatingsystem
0
votes
0
answers
2
UGC NET Encryption
If in an error detection and correction code a message M : “ You are good students” is stored as C : Youare areyou aregood goodare goodstudents studentsgood. What is the space required to store C in general ? (assume that ‘n’ is the length of M) (A) 2n (B) 3n (C) 4n (D) less than 4n
asked
Mar 14
in
Computer Networks

23
views
netexam
computernetworks
0
votes
1
answer
3
NET 2011 Communication Noise
In a communication system, noise is most likely to affect the signal (A) at a transmitter (B) in a channel (C) in the information source (D) at the destination
asked
Mar 14
in
Computer Networks

21
views
net
computernetworks
0
votes
0
answers
4
NET 2011 Flag bits
List – I List – II (Flags) (Bit Position) (a) Sign flag (i) 4th bit (b) Parity (ii) 6th bit (c) Zero (iii) 2nd bit (d) Auxiliary carry (iv) 7th bit Codes : (a) (b) (c) (d) (A) (i) (iii) (ii) (iv) (B) (iv) (iii) (ii) (i) (C) (i) (iv) (iii) (ii) (D) (ii) (i) (iii) (iv)
asked
Mar 14
in
Digital Logic

20
views
digitallogic
net
0
votes
0
answers
5
NET 2011 Communication Cables
The highest data rate can be transmitted using following cables : 1. Coaxial cable 2. Twistedwire cable 3. Optical fiber cable The correct sequence in the increasing order is (A) 1, 3, 2 (B) 3, 1, 2 (C) 2, 1, 3 (D) 3, 2, 1
asked
Mar 14
in
Computer Networks

23
views
net
computernetworks
0
votes
0
answers
6
NET2011[ECE] Logic family
Consider the following logic families : 1. MOS 2. DTL 3. RTL 4. ECL The sequence of the logic families in the order of their increasing noise margin is (A) 3, 4, 1, 2 (B) 3, 4, 2, 1 (C) 4, 3, 1, 2 (D) 4, 3, 2, 1
asked
Mar 14
in
Digital Logic

13
views
net
digitallogic
0
votes
2
answers
7
NET 2011[ECE] C program
Consider the following structure and declaration : 1. struct date { 2. int day; 3. int month; 4. int year; 5. }; Struct data *pd ; Which of the following is the correct method to refer to the year member ? (A) (*pd)⋅year (B) (*pd)*year (C) (*pd)→year (D) pd→year
asked
Mar 14
in
Programming

32
views
net
programminginc
0
votes
0
answers
8
IES 2011: Digital Circuits / ROM and PLA [ECE]
asked
Mar 14
in
Digital Logic

17
views
digitallogic
ies
0
votes
0
answers
9
CIL Exam: Matrices
In an MxN matrix such that all nonzero entries are covered in a rows and b columns. Then the maximum number of nonzero entries, such that no two are on the same row or column, is A) a + b B) max {a, b} C) min {Ma, Nb} D) min {a, b}
asked
Mar 14
in
Linear Algebra

25
views
engineeringmathematics
0
votes
1
answer
10
ISRO 2015 Complex Numbers [EE]
asked
Mar 10
in
Linear Algebra

34
views
isro
isroee
engineeringmathematics
+1
vote
1
answer
11
ISRO 2015 Differential equation [EE]
asked
Mar 10
in
Calculus

28
views
isro
isroee
engineeringmathematics
0
votes
1
answer
12
ISRO 2015 Regsiters [EE]
Resistor of microprocessor which keeps track of the execution of program and which contain the memory address of next instruction to be executed is called (a) Index resistor (b) Program counter (c) Memory address resistor (d) Instruction resistor
asked
Mar 10
in
CO & Architecture

44
views
isro
isroee
0
votes
1
answer
13
ISRO 2015 OS [EE]
OS that permits multiples programs to run simultaneously using single processor is referred as (a) Multitasking (b) Multi user (c) Multithreading (d) Multiprocessing
asked
Mar 10
in
Operating System

56
views
isro
isroee
0
votes
1
answer
14
ISRO 2015 Optical fiber [EE]
The cladding which surrounds the optic fiber line is used (a) To protect the fiber (b) To reduce optical interference (c) Because it help to guide light in the core (d) To ensure that refractive index remains constant
asked
Mar 10
in
Computer Networks

45
views
isro
isroee
computernetworks
0
votes
1
answer
15
ISRO 2015 Main memory [EE]
Techniques that automatically move program and data blocks into physical main memory when they are required for execution are called (a) Main memory techniques (b) Cache memory techniques (c) Virtual memory techniques (d) Associate memory techniques
asked
Mar 10
in
CO & Architecture

28
views
isro
isroee
0
votes
1
answer
16
ISRO 2015 UDP/TCP [EE]
The transport layer protocol used for real time multimedia, file transfer, DNS and email respectively are (a) TCP, UDP, UDP and TCP (b) UDP, TCP, UDP and TCP (c) UDP, TCP, TCP and UDP (d) TCP, UDP, TCP and UDP
asked
Mar 10
in
Computer Networks

35
views
isro
isroee
computernetworks
0
votes
1
answer
17
ISRO 2015 Ripple Counter [EE]
A 4 bit module 16 ripple counter uses JK F/F. If the propagation delay of each F/F is 50 nano seconds, the maximum clock frequency that can be used is equal to (a) 20 MHz (b) 5 MHz (c) 10 MHz (d) 4 MHz
asked
Mar 10
in
Digital Logic

45
views
isro
isroee
digitallogic
0
votes
1
answer
18
ISRO 2015  Johnson counter [EE]
asked
Mar 10
in
Digital Logic

24
views
isro
digitallogic
isroee
0
votes
2
answers
19
ISRO 2015 Truth table [EE]
The truth table X Y F 0 0 0 0 1 0 1 0 1 1 1 1 Represent the Boolean function (a) X (b) X  Y (c) X +Y (d) Y
asked
Mar 10
in
Digital Logic

23
views
isro
isroee
+1
vote
1
answer
20
ISRO 2014 probability [EE]
80. A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him is (A) 140 (B) 196 (C) 280 (D) 346
asked
Mar 10
in
Probability

49
views
isro
isroee
engineeringmathematics
probability
0
votes
1
answer
21
ISRO 2014 Trigonometry [EE]
79. If tan $\Theta$ = 8 / 15 and $\Theta$ is acute, then cosec $\Theta$ (A) 8 / 17 (B) 8 / 15 (C) 17 / 8 (D) 17 / 15
asked
Mar 10
in
Linear Algebra

22
views
isro
isroee
engineeringmathematics
0
votes
1
answer
22
ISRO 2014 Quadratic Equation [EE]
asked
Mar 10
in
Linear Algebra

13
views
isro
isroee
engineeringmathematics
0
votes
1
answer
23
ISRO 2014 Geometry [EE]
If a vertex of a triangle is (1, 1) and the midpoints of two sides through this vertex are (1, 2) and (3, 2), then the centroid of the triangle is (A) (1, 7/3) (B) (1/3, 7/3) (C) (1, 7/3) (D) (1/3, 7/3)
asked
Mar 10
in
Linear Algebra

22
views
isro
engineeringmathematics
isroee
0
votes
1
answer
24
ISRO 2014 Complex Numbers [EE]
asked
Mar 10
in
Linear Algebra

26
views
isro
isroee
engineeringmathematics
0
votes
1
answer
25
ISRO 2013 Quadractic equation [EE]
asked
Mar 10
in
Linear Algebra

27
views
isro
engineeringmathematics
0
votes
1
answer
26
ISRO 2013 Polynomials [EE]
The unique polynomial P(x) of degree 2 such that: P(1) = 1, P(3) = 27, P(4) = 64 is a) 8x2 19x + 12 b) 8x2 + 19x + 12 c) 8x2 19x + 12 d) 8x2 19x  12
asked
Mar 10
in
Linear Algebra

14
views
isro
isroee
engineeringmathematics
0
votes
1
answer
27
ISRO 2013 Newton Raphson [EE]
The equation x3  x2 + 4x  4 = 0 is to be solved using the Newton  Raphson method. If x =2 is taken as the initial approximation of the solution, then the next approximation using the method will be a) 2/3 b) 4/3 c) 1/3 d) 5/3
asked
Mar 10
in
Linear Algebra

17
views
isro
isroee
engineeringmathematics
+1
vote
1
answer
28
ISRO 2013 probability [EE]
Ten percent of screws produced in a certain factory turn out to be defective. Find the probability that in a sample of 10 screws chosen at random, exactly two will be defective. a) 0.2 b) 0.25 c) 0.8 d) 0.3 79.
asked
Mar 10
in
Probability

50
views
isro
isroee
probability
0
votes
2
answers
29
ISRO 2013 Probability [EE]
An urn contains 5 black and 5 white balls. The probability of drawing two balls of the same colour a) 2/9 b) 4/9 c) 1/9 d) 5/9
asked
Mar 10
in
Probability

24
views
isro
isroee
0
votes
0
answers
30
ISRO 2013 Integration [EE]
The integrating factor of equation sec 2 y dy/dx + x tan y = x3 is a) [e]x^2/2 b) [e] x^2/2 c) [e]x/2 d) [e]x/2
asked
Mar 10
in
Calculus

20
views
isro
isroee
engineeringmathematics
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