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Recent questions tagged isro-ece
0
votes
1
answer
61
ISRO 2008- ECE SR flipflop to D flip flop
A $S$-$R$ flip flop with a clock input can be converted to a $’D’$ flip flop using : Two inverters the flip flop outputs ($Q$&$\bar{Q}$) connected to its inputs ($S$&$R$) One inverter Not possible
A $S$-$R$ flip flop with a clock input can be converted to a $’D’$ flip flop using :Two invertersthe flip flop outputs ($Q$&$\bar{Q}$) connected to its inputs ($S$&$R...
sh!va
611
views
sh!va
asked
Mar 1, 2017
Digital Logic
isro-ece
digital-logic
flip-flop
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0
votes
1
answer
62
ISRO 2008- ECE 100 Base T
100 Base T refers to (a) Fibre connectivity (b) BNC connectors (c) SONET (d) Twisted pair
100 Base T refers to(a) Fibre connectivity(b) BNC connectors(c) SONET(d) Twisted pair
sh!va
247
views
sh!va
asked
Mar 1, 2017
Computer Networks
isro-ece
computer-networks
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3
votes
2
answers
63
ISRO 2008- ECE Switch and Hub
Difference between a switch and Hub (a) Both are same (b) Switch avoids flooding (c) Hub avoids broadcast (d) None of the above
Difference between a switch and Hub(a) Both are same(b) Switch avoids flooding(c) Hub avoids broadcast(d) None of the above
sh!va
660
views
sh!va
asked
Mar 1, 2017
Computer Networks
isro-ece
computer-networks
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0
votes
1
answer
64
ISRO 2008- ECE Computer architecture
------ machines tend to make use of internal resources of the processor, a rich set of registers and a pipelined organization. (a) CISC (b) Parallel processor (c) RISC (d) Array processor
machines tend to make use of internal resources of the processor, a rich set of registers and a pipelined organization.(a) CISC(b) Parallel processor(c) RISC(d) Array...
sh!va
600
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
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1
answer
65
ISRO 2008-ECE array processor
An array processor is a machine (a) SIMD (b) MIMD (c) SISD (d) MISD
An array processor is a machine(a) SIMD(b) MIMD(c) SISD(d) MISD
sh!va
1.3k
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
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1
answer
66
ISRO 2008-ECE Computer Architecture
Micro programming refers to (a) Emulation (b) Programming at micro level (c) The use of storage to implement the control unit (d) Array processing
Micro programming refers to(a) Emulation(b) Programming at micro level(c) The use of storage to implement the control unit(d) Array processing
sh!va
569
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sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
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1
answer
67
ISRO 2008- ECE Computer Architecture
The performance gain that can be obtained by improving some portion of a computer can be calculated using (a) Moore's law (b) Djikstra's algorithm (c) Amdahl's law (d) Murphy's law
The performance gain that can be obtained by improving some portion of a computer can be calculated using(a) Moore's law(b) Djikstra's algorithm(c) Amdahl's law(d) Murphy...
sh!va
463
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
votes
1
answer
68
ISRO 2008-ECE Digital Logic
Which type of memory has fast erase and write times (a) EPROM (b) EEPROM (c) Flash memory (d) None of these
Which type of memory has fast erase and write times(a) EPROM(b) EEPROM(c) Flash memory(d) None of these
sh!va
649
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
votes
2
answers
69
ISRO 2008- ECE Odd parity
Odd parity generator uses _____ logic (a) XNOR (b) XOR (c) Sequential (d) OR
Odd parity generator uses _____ logic(a) XNOR(b) XOR(c) Sequential(d) OR
sh!va
4.5k
views
sh!va
asked
Mar 1, 2017
Digital Logic
isro-ece
digital-logic
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1
votes
2
answers
70
ISRO 2008- ECE Johnson Counter
The mod number of a Johnson counter will be always equal to the number of flip flops used : same twice $2N$ where $N$ is the number of flip flops. None of the these
The mod number of a Johnson counter will be always equal to the number of flip flops used :sametwice$2N$ where $N$ is the number of flip flops.None of the these
sh!va
1.2k
views
sh!va
asked
Mar 1, 2017
Digital Logic
isro-ece
digital-logic
flip-flop
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0
votes
0
answers
71
ISRO 2008- ECE Digital Logic
The fastest ADC among the following is (a) Successive approximation type (b) Dual slope type (c) Sigma - Delta ADC (d) Flash converter
The fastest ADC among the following is(a) Successive approximation type(b) Dual slope type(c) Sigma - Delta ADC(d) Flash converter
sh!va
412
views
sh!va
asked
Mar 1, 2017
Digital Logic
isro-ece
digital-logic
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0
votes
1
answer
72
ISRO 2008-ECE Cache Memory
The advantage of write (copy) back data cache organization over write through organization is (a) Main memory consistency (b) Write allocate on write miss (c) Less memory bandwidth (d) Higher capacity requirement
The advantage of write (copy) back data cache organization over write through organization is(a) Main memory consistency(b) Write allocate on write miss(c) Less memory ba...
sh!va
621
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
votes
2
answers
73
ISRO 2008- ECE Software Engineering
Which of the following relation is valid? Where MTBF = Mean Time Between Failures MTTF = Mean Time To Failures MTTR = Mean Time To Repair (a) MTBF = MTTF + MTTR (b) MTTR + MTTF + MTBF =1 (c) 1/ MTTR +1/MTTF= 1/ MTBF (d) MTBF. MTTF. MTTR =1
Which of the following relation is valid?WhereMTBF = Mean Time Between FailuresMTTF = Mean Time To FailuresMTTR = Mean Time To Repair(a) MTBF = MTTF + MTTR(b) MTTR + MTTF...
sh!va
762
views
sh!va
asked
Mar 1, 2017
IS&Software Engineering
isro-ece
is&software-engineering
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1
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0
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74
ISRO 2009-ECE Probability
A man with n keys wants to open a lock. He tries his keys at random. The expected number of attempts for his success is (keys are replaced after every attempt) a) n/2 b) n c) √ n d) None of the above
A man with n keys wants to open a lock. He tries his keys at random.The expected number of attempts for his success is (keys are replaced after every attempt)a) n/2b) nc)...
sh!va
2.3k
views
sh!va
asked
Mar 1, 2017
Probability
isro-ece
engineering-mathematics
expectation
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1
votes
1
answer
75
ISRO 2009- Engineering Mathematics
a) 1/4 b) 1/2 c) 1 d) None of above
a) 1/4b) 1/2c) 1d) None of above
sh!va
655
views
sh!va
asked
Mar 1, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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0
votes
2
answers
76
ISRO 2009- ECE Code efficiency
A source produces 4 symbols with probabilities 1/2,1/4,1/8,1/8. For this source, a practical coding scheme has an average code- word length of 2 bits/symbol. The efficiency of the code is a) 1 b) 7/8 c) 1/2 d) 1/4
A source produces 4 symbols with probabilities 1/2,1/4,1/8,1/8. For this source, a practical coding scheme has an average code- word length of 2 bits/symbol. The efficien...
sh!va
6.0k
views
sh!va
asked
Mar 1, 2017
Computer Networks
isro-ece
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3
answers
77
ISRO 2009- ECE Computer Architecture
Interrupt latency is the time elapsed between: a) Occurrence of an interrupt and its detection by the CPU b) Assertion of an interrupt and the start of the associated ISR c) Assertion of an interrupt and the completion of the associated ISR d) Start and completion of associated ISR
Interrupt latency is the time elapsed between:a) Occurrence of an interrupt and its detection by the CPUb) Assertion of an interrupt and the start of the associated ISRc)...
sh!va
880
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
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2
answers
78
ISRO 2009-ECE Engineering Mathematics
There is a function f(x), such that f(0) = 1 and f ' (0)= -1 and f(x) is positive for all values of x. Then, a) f"(x) < 0 for all x b) -1 < f'' (x) < 0 for all x c) -2 < f '' (x) < -1 for all x d) None of the above
There is a function f(x), such that f(0) = 1 and f ' (0)= -1 and f(x) is positive for all values of x. Then,a) f"(x) < 0 for all xb) -1 < f'' (x) < 0 for all xc) -2 < f ...
sh!va
405
views
sh!va
asked
Mar 1, 2017
Calculus
isro-ece
engineering-mathematics
calculus
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0
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1
answer
79
ISRO 2009- ECE Engineering Mathematics
A straight line and a circle of radius a are given. A chord is drawn at random to this circle parallel to the given line. Expected length of the chord is a) 2a b) π a c) π a/2 d) None of the above
A straight line and a circle of radius a are given. A chord is drawn at random to this circle parallel to the given line. Expected length of the chord isa) 2ab) π ac) π...
sh!va
594
views
sh!va
asked
Mar 1, 2017
Probability
isro-ece
engineering-mathematics
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0
votes
1
answer
80
ISRO 2009- ECE Computer architecture
An 8-bit microcontroller has an external RAM with the memory map from 8000H to 9FFFH. The number of bytes this RAM can store is a) 8193 b) 8192 c) 8191 d) 8000
An 8-bit microcontroller has an external RAM with the memory map from 8000H to 9FFFH.The number of bytes this RAM can store isa) 8193b) 8192c) 8191d) 8000
sh!va
1.3k
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
votes
1
answer
81
ISRO 2009-ECE : Computer Architecture
A micro controller differs from a microprocessor in terms of a) I/O interfaces and instruction decoding b) Memory configuration and I/O interfaces c) Data bus width and clock speed d) Memory configuration and instruction decoding
A micro controller differs from a microprocessor in terms ofa) I/O interfaces and instruction decodingb) Memory configuration and I/O interfacesc) Data bus width and cloc...
sh!va
417
views
sh!va
asked
Mar 1, 2017
CO and Architecture
isro-ece
co-and-architecture
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0
votes
2
answers
82
ISRO 2009-ECE Ethernet
The ethernet protocol uses a) CSMA/CA b) SCPC c) CSMA/CD d) Slotted ALOHA
The ethernet protocol usesa) CSMA/CAb) SCPCc) CSMA/CDd) Slotted ALOHA
sh!va
456
views
sh!va
asked
Mar 1, 2017
Computer Networks
isro-ece
computer-networks
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0
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0
answers
83
ISRO 2009- ECE Digital Logic
A 5 bit DAC has a current output. For a digital input of 10100, an output current of 10 mA is produced. What will be the output current for a digital input of 11101? a) 14.5 mA b) 10 mA c) 100 mA d) Not possible to calculate
A 5 bit DAC has a current output. For a digital input of 10100, an output current of 10 mA is produced. What will be the output current for a digital input of 11101?a) 14...
sh!va
397
views
sh!va
asked
Mar 1, 2017
Digital Logic
isro-ece
digital-logic
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1
votes
0
answers
84
ISRO 2009 -ECE Complex Numbers
Number of real values of $(a + ib) ^{1/n} + (a-ib) ^{1/n}$ is a) 0 b) 1 c) n d) None of the above
Number of real values of $(a + ib) ^{1/n} + (a-ib) ^{1/n}$ isa) 0b) 1c) nd) None of the above
sh!va
586
views
sh!va
asked
Mar 1, 2017
Linear Algebra
isro-ece
engineering-mathematics
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0
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1
answer
85
ISRO 2009- ECE Calculus
f(x) = [$ tan ^2$ x] ( [ ] stands for greatest integer function) a) f(x) continuous at x = 0 b) limit f(x) does not exist as x tend to 0 c) f '(0) = 1 d) f(x) not derivable at x = 0
f(x) = [$ tan ^2$ x] ( [ ] stands for greatest integer function)a) f(x) continuous at x = 0b) limit f(x) does not exist as x tend to 0c) f '(0) = 1d) f(x) not derivable ...
sh!va
325
views
sh!va
asked
Mar 1, 2017
Calculus
isro-ece
engineering-mathematics
calculus
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0
votes
1
answer
86
ISRO 2009- ECE Linear algebra
If α and β are the roots of the equation $x^2 + x + 1= 0$. Then $α ^{3n} +β ^{3n}$ is a) 1 b) 2 c) 0 d) 3
If α and β are the roots of the equation $x^2 + x + 1= 0$. Then$α ^{3n} +β ^{3n}$ isa) 1b) 2c) 0d) 3
sh!va
290
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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0
votes
2
answers
87
ISRO 2009 -ECE Logic Family
Which of the following technology results in least power dissipation ? a) CMOS b) ECL c) TTL d) NMOS
Which of the following technology results in least power dissipation ?a) CMOSb) ECLc) TTLd) NMOS
sh!va
1.6k
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
digital-logic
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–
0
votes
1
answer
88
ISRO 2009-ECE RISC vs CISC
The theoretical dividing line between Reduced Instruction Set computing (RISC) microprocessor and Complex Instructions Set Computing (CISC) microprocessor is a) Instruction execution rate to be one instruction per clock cycle b) Number of address and data lines c) Number of pins in the chip d) None of the above
The theoretical dividing line between Reduced Instruction Set computing (RISC) microprocessor and Complex Instructions Set Computing (CISC) microprocessor isa) Instructio...
sh!va
865
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
co-and-architecture
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1
votes
0
answers
89
ISRO 2009- ECE Digital Logic
Which of the following types of devices is not field programmable? a) FPGA b) ASIC c) CPLD d) PLD
Which of the following types of devices is not field programmable?a) FPGAb) ASICc) CPLDd) PLD
sh!va
948
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
digital-logic
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0
votes
1
answer
90
ISRO 2009- ECE Calculus
$lim_{x ->0}$ (x log sin x) is a) 0 b) 1/2 c) 1 d) 2
$lim_{x ->0}$ (x log sin x) isa) 0b) 1/2c) 1d) 2
sh!va
1.9k
views
sh!va
asked
Feb 28, 2017
Calculus
isro-ece
engineering-mathematics
calculus
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