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Answers by Meenakshi Sharma

2 votes
1
DIGITAL LOGIC DESIGN
3 votes
2
DIGITAL LOGIC DESIGN
1 votes
3
identify which are functions
Which of the following are not functions (from R to R )and why a) f(x)= sqrt(x) b)f(x) = sqrt(x2 +1) c)f(x)= + - sqrt(x2+1) d) f(x)=+- x e) f(x)=1/(n2-4)
Which of the following are not functions (from R to R )and whya) f(x)= sqrt(x)b)f(x) = sqrt(x2 +1)c)f(x)= + - sqrt(x2+1)d) f(x)=+- xe) f(x)=1/(n2-4)
3 votes
4
ISRO 2007- ECE combinational logic circuit
The combinational logic circuit shown in the given figure has an output Q which is a) ABC b) A+B+C c)A ⊕ B ⊕ C d) A. B+C
The combinational logic circuit shown in the given figure has an output Q which isa) ABCb) A+B+Cc)A ⊕ B ⊕ Cd) A. B+C
2 votes
5
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
1 votes
8
Primary keys Dbms
Is it possible for table to have more than one primary key? If no then why?
Is it possible for table to have more than one primary key? If no then why?
2 votes
9
with a four programs in memory and with 80% average I/O wait,the CPU utilization
with a four programs in memory and with 80% average I/O wait,the CPU utilization a)60% b)70% d)90% d)100%
with a four programs in memory and with 80% average I/O wait,the CPU utilizationa)60% b)70% d)90% d)100%
4 votes
10
The basic variants of time stamp based method of concurrency control are
The basic variants of time stamp based method of concurrency control are a)Total time stamp ordering b) Partial time stamp ordering c) Multiversion time stamp ordering d)All e)none
The basic variants of time stamp based method of concurrency control are a)Total time stamp ordering b) Partial time stamp orderingc) Multiversion time stamp ordering ...
2 votes
11
UGC NET CSE | June 2011 | Part 2 | Question: 12
What features make $C++$ so powerful ? Easy implementation Reusing old code Easy memory management All of the above
What features make $C++$ so powerful ?Easy implementationReusing old codeEasy memory managementAll of the above
2 votes
12
UGC NET CSE | June 2011 | Part 2 | Question: 21
The number of different trees with $8$ nodes is 256 255 248 None of these
The number of different trees with $8$ nodes is256255248None of these
1 votes
13
UGC NET CSE | December 2011 | Part 2 | Question: 24
Which of the following statements is true, when structure of database file with 20 records is modified ? ? EOF ( ) Prints. T ? BOF ( ) Prints F ? BOF ( ) Prints T ? EOF ( ) Prints F
Which of the following statements is true, when structure of database file with 20 records is modified ?? EOF ( ) Prints. T? BOF ( ) Prints F? BOF ( ) Prints T? EOF ( ) P...