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Recent questions tagged isro2011-ece
2
votes
1
answer
1
ISRO2010-ECE Pipeline Hazard
Consider the following assembly code for a hypothetical RISC processor with a $4$-stage pipeline (Instruction Fetch, Decode/Register Read, Execute and Write). add r1,r2,r3 // r1 = r2+r3 sub r4,r1,r3 //r4 = r1 - r3 mul r5,r2, ... . Read after write hazard during mul Read after write hazard during sub Read after write hazard during add Write after write hazard during mul
sh!va
asked
in
CO and Architecture
Feb 28, 2017
by
sh!va
680
views
isro-ece
isro2011-ece
co-and-architecture
pipelining
0
votes
1
answer
2
ISRO 2011- ECE Linear algebra
The value of x at which y has a minimum for $y = x^2 -3x + 1$ is a. -3/2 b. 3/2 c. 0 d. None of these
sh!va
asked
in
Linear Algebra
Feb 28, 2017
by
sh!va
388
views
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
0
votes
2
answers
3
ISRO 2011-ECE Stack
In what order the elements of a pushdown stack are accessed? a. First In-First Out (FIFO) b. Last In Last Out (LILO) c. Last In First Out (LIFO) d. None of the above
sh!va
asked
in
DS
Feb 28, 2017
by
sh!va
1.4k
views
isro-ece
isro2011-ece
data-structures
0
votes
0
answers
4
ISRO 2011-ECE Mathematics
(cos 5 ϴ — i sin 5 ϴ )$ ^2$ is same as: a. cos 10 ϴ + i sin 10 ϴ b. cos 25 ϴ - sin 25 ϴ c. (cos ϴ + i sin ϴ )$^ {-10}$ d. (cos ϴ - i sin ϴ )$^{-10}$
sh!va
asked
in
Linear Algebra
Feb 28, 2017
by
sh!va
213
views
isro-ece
isro2011-ece
engineering-mathematics
1
vote
1
answer
5
ISRO 2011-ECE Operating system
In a real time system, the simplest scheme that allows the operating system to allocate memory to two processes simultaneously is _____ a. Over lays b. Pipeline c. Swapping d. None of the above
sh!va
asked
in
Operating System
Feb 28, 2017
by
sh!va
557
views
isro-ece
operating-system
isro2011-ece
0
votes
1
answer
6
ISRO 2011-ECE : Complex Numbers
(3 + i)/(5 + 5i) is same as a. (2 - i)/5 b. 3 - i c. 5 - 5i d. (2 + i)/5
sh!va
asked
in
Linear Algebra
Feb 28, 2017
by
sh!va
419
views
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
0
votes
3
answers
7
ISRO 2011-ECE Operating System
A run-time stack cannot be used in a round-robin scheduling system because of the _______ nature of scheduling. a. LIFO (Last in First out) b. FIFO ( First in First out) c. FILO (First in Last out) d. None of the above
sh!va
asked
in
Operating System
Feb 28, 2017
by
sh!va
784
views
isro-ece
isro2011-ece
operating-system
0
votes
0
answers
8
ISRO 2011- ECE Digital Logic
________ has the maximum fan out capacity a. MOS b. CMOS c. ECL d. RTL
sh!va
asked
in
Digital Logic
Feb 28, 2017
by
sh!va
1.4k
views
isro-ece
isro2011-ece
digital-logic
1
vote
1
answer
9
ISRO 2011- ECE Computer networks
_________ is used to describe the light gathering or light collecting ability of an optical fiber a. Critical angle b. Cut-off wavelength c. Numerical Aperture d. Acceptance angle
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
941
views
isro-ece
isro2011-ece
computer-networks
0
votes
0
answers
10
ISRO 2011-ECE Computer Architecture
In a 8085 microprocessor system with memory mapped I/O a. I/O devices have 8 bit address b. I/O devices are accessed using IN and OUT instructions. c. There can be maximum 256 input and 256 output devices d. Arithmetic and logic operations can be directly performed with I/O data
sh!va
asked
in
CO and Architecture
Feb 28, 2017
by
sh!va
354
views
isro-ece
isro2011-ece
co-and-architecture
1
vote
0
answers
11
ISRO 2011-ECE Computer networks
For a fast communication which of the following requirements have to be met a. Large bandwidth b. High S/N ratio c. High channel capacity d. None of the above
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
1.6k
views
isro-ece
isro2011-ece
computer-networks
0
votes
1
answer
12
ISRO 2011-ECE Computer networks
In phase modulated signal, the frequency deviation is proportional to a. Frequency only b. Amplitude only c. Both (a) and (b) d. none of the above
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
1.0k
views
isro-ece
isro2011-ece
computer-networks
0
votes
1
answer
13
ISRO 2011-ECE Mathematics
a) 3/2 b) 2/3 c) 8/9 d) 8/13
sh!va
asked
in
Calculus
Feb 28, 2017
by
sh!va
222
views
isro-ece
isro2011-ece
engineering-mathematics
calculus
0
votes
1
answer
14
ISRO 2011-ECE Computer Architecture
When a microprocessor interfaces with a peripheral or memory device, the normal timing of the microprocessor may need to be altered by introducing____ a. Latching b. Wait states c. Tristate logics d. None of the above
sh!va
asked
in
CO and Architecture
Feb 28, 2017
by
sh!va
289
views
isro-ece
isro2011-ece
co-and-architecture
0
votes
0
answers
15
ISRO 2011-ECE Computer Architecture
Which of the following statement regarding a constant is not true a. Constant defined in a package can be referenced by any entity or architecture for which package is used. b. The value of constant can be changed with in ... architecture is visible only to that architecture d. Constant defined in a process declarative region is not visible outside that process
sh!va
asked
in
CO and Architecture
Feb 28, 2017
by
sh!va
242
views
isro-ece
isro2011-ece
co-and-architecture
1
vote
0
answers
16
ISRO 2011- ECE Digital Logic
The function of a strobe function in digital system is a. To reset memory register. b. To check the functioning of a logic gate c. To avoid race problem d. To tri-state the output of the register
sh!va
asked
in
Digital Logic
Feb 28, 2017
by
sh!va
732
views
isro-ece
isro2011-ece
digital-logic
0
votes
1
answer
17
ISRO 2011-ECE Computer Networks
Go-stationary satellites are placed in equatorial orbits at the height approximately a. 1000 km b. 15000 km c. 25000 km d. 36000 km
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
298
views
isro-ece
isro2011-ece
computer-networks
0
votes
2
answers
18
ISRO 2011-ECE Computer networks
The bandwidth of a 'N' bit binary coded PCM signal for modulating a signal having bandwidth of f Hz is a. f/N Hz. b. f c. Nf d. N
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
1.2k
views
isro-ece
isro2011-ece
computer-networks
0
votes
1
answer
19
ISRO 2011- Engineering mathematics
.
sh!va
asked
in
Linear Algebra
Feb 28, 2017
by
sh!va
252
views
isro-ece
engineering-mathematics
isro2011-ece
calculus
0
votes
1
answer
20
ISRO 2011- ECE Computer Architecture
Which of the following statements with reference to a generic microprocessor is correct? a. Instruction cycle time period is exactly equal to machine cycle time period b. Instruction cycle time period is shorter than machine cycle time ... shorter than instruction cycle time period d. Instruction cycle time period is exactly half of machine cycle time period
sh!va
asked
in
CO and Architecture
Feb 28, 2017
by
sh!va
486
views
isro-ece
isro2011-ece
co-and-architecture
0
votes
1
answer
21
ISRO 2011-ECE Linear Algebra
Which of the following system is linear? a) $y(n)$ = $e^{x(n)}$ b) $y(n) $= A$x(n$)+B c) $y(n) $= $x$($n ^2$) d) $y(n) $= $x ^2(n)$
sh!va
asked
in
Linear Algebra
Feb 28, 2017
by
sh!va
435
views
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
0
votes
3
answers
22
ISRO 2011-ECE Digital Logic
In a JK Flipflop we have J= Q' and K=1. assuming that the flipflop was initially cleared and clocked for 6 pulses, the sequence at the Q output will be a) 010000 b) 011001 c) 010010 d) 010101
sh!va
asked
in
Digital Logic
Feb 28, 2017
by
sh!va
3.7k
views
isro-ece
isro2011-ece
digital-logic
0
votes
0
answers
23
ISRO 2011-ECE COmputer Networks
The critical angle of an optical fiber is given by __________ where n1 is refractive index of medium 1 and n2 is the refractive index of medium 2 a) $sin^{-1} $(n2/n1) b) $sin^{-1} $(n1/n2) c) $sin^{-1} $(n2*n1) d) $sin^{-1} $ n2
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
291
views
isro-ece
isro2011-ece
computer-networks
0
votes
0
answers
24
ISRO 2011-ECE Computer networks
The modulation normally used with digital data is a) AM b) FM c) SSB d) QPSK
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
1.9k
views
isro-ece
isro2011-ece
computer-networks
0
votes
1
answer
25
ISRO 2011- ECE Mathematics
.
sh!va
asked
in
Linear Algebra
Feb 28, 2017
by
sh!va
321
views
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
0
votes
1
answer
26
ISRO 2011- ECE Operating System
_______________ is a primitive that can execute code. It contains an instruction pointer (=program counter) and sometimes has its own stack. a) $Process$ b) $Task$ c) $Kernel$ d) $Thread$
sh!va
asked
in
Operating System
Feb 28, 2017
by
sh!va
607
views
isro-ece
isro2011-ece
operating-system
2
votes
1
answer
27
ISRO 2011-ECE Computer Architecture
A microprocessor with 12 bit address bus will be able to access ________ kilobytes of memory a) 0.4 b) 2 c) 10 d) 4
sh!va
asked
in
CO and Architecture
Feb 28, 2017
by
sh!va
496
views
isro-ece
isro2011-ece
co-and-architecture
0
votes
0
answers
28
ISRO 2011-ECE Computer Networks
In satellite communication, frequency modulation is used because satellite channel has a. High Modulation index b. Small bandwith and negligible noise c. Large bandwidth and severe noise d. Maximum Bandwidth and Minimum noise
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
372
views
computer-networks
isro-ece
isro2011-ece
0
votes
0
answers
29
ISRO 2011-ECE Networks
The channel capacity under the Gaussian noise environment for a discrete memory less channel with a bandwidth of 4 MHz and SNR 31 is a. 20 Mbps b. 4 Mbps c. 8 Kbps d. 4 Kbps
sh!va
asked
in
Computer Networks
Feb 28, 2017
by
sh!va
528
views
computer-networks
isro2011-ece
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