ISRO Scientist or Engineer Computer Science 2011

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Computer Science 2011 - Question 41


if a microcomputer operates at 5 MHz with an 8-bit bus and a newer version operates at 20 MHz with a 32-bit bus, the maximum speed-up possible approximately will be

ISRO Scientist or Engineer Computer Science 2011 - Question 42


The search concept used in associative memory is

ISRO Scientist or Engineer Computer Science 2011 - Question 43


Which variable does not drive a terminal string in the grammar

ISRO Scientist or Engineer Computer Science 2011 - Question 44


In Java, after executing the following code what are the valuesof x, y and z?
int x,y = 10, z = 12;
$$X = y^{++} + Z^{++}$$;

ISRO Scientist or Engineer Computer Science 2011 - Question 45


The broadcast address for [IP network 172.16.0.0 with subnet mask 255.255.0.0 is

ISRO Scientist or Engineer Computer Science 2011 - Question 46


Which RAID level gives block level striping with double distributed parity

ISRO Scientist or Engineer Computer Science 2011 - Question 47


The output expression of the following gate network is

ISRO Scientist or Engineer Computer Science 2011 - Question 48


The Hamming distance betweenthe octets of 0xAA and 0x55 is

ISRO Scientist or Engineer Computer Science 2011 - Question 49


Consider a 32-bit machine where four-level paging schemeis used. If the hit ratio to TLB is 98%, and it takes 20 nanosecondsto search the TLB and 100 nanoseconds to access the main memory what is effective memory accesstime in nanoseconds?

ISRO Scientist or Engineer Computer Science 2011 - Question 50


Data is transmitted continuously at 2.048 Mbps rate for 10 hours and received 512 bit errors. Whatis the bit error rate?

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