Register

Recent questions tagged isro2011-ece

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
The value of x at which y has a minimum for $y = x^2 -3x + 1$ isa. -3/2b. 3/2c. 0d. None of these
User Avatar
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
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
User Avatar
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 )$^{-10}$
(cos 5 ϴ — i sin 5 ϴ )$ ^2$ is same as:a. cos 10 ϴ + i sin 10 ϴb. cos 25 ϴ - sin 25 ϴc. (cos ϴ + i sin ϴ )$^ {-10}$d. (cos ϴ - i sin ϴ )$^{-10}$
User Avatar
1 votes
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
In a real time system, the simplest scheme that allows the operating system to allocate memory to two processes simultaneously is _____a. Over laysb. Pipelinec. Swapping...
User Avatar
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
(3 + i)/(5 + 5i) is same asa. (2 - i)/5b. 3 - ic. 5 - 5id. (2 + i)/5
User Avatar
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
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. ...
User Avatar
0 votes
0 answers
8
ISRO 2011- ECE Digital Logic
________ has the maximum fan out capacity a. MOS b. CMOS c. ECL d. RTL
________ has the maximum fan out capacitya. MOSb. CMOSc. ECLd. RTL
User Avatar
1 votes
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
_________ is used to describe the light gathering or light collecting ability of an optical fibera. Critical angleb. Cut-off wavelengthc. Numerical Apertured. Acceptance ...
User Avatar
1 votes
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
For a fast communication which of the following requirements have to be meta. Large bandwidthb. High S/N ratioc. High channel capacityd. None of the above
User Avatar
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
In phase modulated signal, the frequency deviation is proportional toa. Frequency onlyb. Amplitude onlyc. Both (a) and (b)d. none of the above
User Avatar
0 votes
1 answer
13
ISRO 2011-ECE Mathematics
a) 3/2 b) 2/3 c) 8/9 d) 8/13
a) 3/2b) 2/3c) 8/9d) 8/13
User Avatar
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
When a microprocessor interfaces with a peripheral or memory device, the normal timing of the microprocessor may need to be altered by introducing____a. Latchingb. Wait s...
User Avatar
1 votes
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
The function of a strobe function in digital system isa. To reset memory register.b. To check the functioning of a logic gatec. To avoid race problemd. To tri-state the o...
User Avatar
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
Go-stationary satellites are placed in equatorial orbits at the height approximatelya. 1000 kmb. 15000 kmc. 25000 kmd. 36000 km
User Avatar
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
The bandwidth of a 'N' bit binary coded PCM signal for modulating a signal having bandwidth of f Hz isa. f/N Hz.b. fc. Nfd. N
User Avatar
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) $= $x ^2(n)$
Which of the following system is linear?a) $y(n)$ = $e^{x(n)}$b) $y(n) $= A$x(n$)+Bc) $y(n) $= $x$($n ^2$)d) $y(n) $= $x ^2(n)$
User Avatar
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
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 bea) 010000b) 011001...
User Avatar
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
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 2a) $sin^{-1} $(n2/n1)b) $...
User Avatar
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
The modulation normally used with digital data isa) AMb) FMc) SSBd) QPSK
User Avatar
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) $Thread$
_______________ 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) $Kern...
User Avatar
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
A microprocessor with 12 bit address bus will be able to access ________ kilobytes of memorya) 0.4b) 2c) 10d) 4
User Avatar
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
In satellite communication, frequency modulation is used because satellite channel hasa. High Modulation indexb. Small bandwith and negligible noisec. Large bandwidth and...
User Avatar
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
The channel capacity under the Gaussian noise environment for a discrete memory less channel with a bandwidth of 4 MHz and SNR 31 isa. 20 Mbpsb. 4 Mbpsc. 8 Kbpsd. 4 Kbps
User Avatar
To see more, click for the full list of questions or popular tags.