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1 answer
241
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...
0 votes
1 answer
242
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
0 votes
1 answer
243
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
0 votes
1 answer
244
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...
0 votes
1 answer
245
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
0 votes
2 answers
246
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
1 votes
2 answers
247
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
0 votes
0 answers
248
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
0 votes
1 answer
249
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...
0 votes
2 answers
250
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...
1 votes
0 answers
251
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)...
1 votes
1 answer
252
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
0 votes
2 answers
253
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...
0 votes
2 answers
255
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 ...
0 votes
1 answer
256
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...
0 votes
1 answer
257
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
0 votes
1 answer
258
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...
0 votes
2 answers
259
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
0 votes
0 answers
260
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...
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