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What is the difference between Switch and Hub ?
murkris118
- Mar 25th, 2011
Simply put Switches breakup Collision domains while Hubs don't..... Period.
prititripathi
- Dec 17th, 2010
Hub is a layer 1 internetworking device n in hub collision occurwhile switch is layer 2 device where collision not occur n it with regenerating d signal ,amplify it also dis is the basic difference b/w dem
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Which one of the following statements allocates enough space to hold an array of 10 integers that are initialized to 0 ?
a) int *ptr = (int *) calloc(10,sizeof(int)); b) int *ptr = (int *) alloc( 10*sizeof(int)); c) int *ptr = (int *) malloc( 10*sizeof(int)); d) int *ptr = (int *)calloc(10*sizeof(int)); Answered by Ragini rani on 2005-05-13 09:01:56: a is the correct ans Calloc allocates space and initialized them to 0
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main() { i=10; printf("%d",++i++); printf("%d",++i); } A. 11 and 13 B. 12 and 13 C. error D. Both A and B
Bhoomika sharma
- Dec 13th, 2008
We are given with the above code basically gives us an error as-Lvalue required as:i=10;++i++means okay, let's take ++i=11, thus value of i is 11 now, you have i=11, but the post increment operator me...
dexter7574
- May 19th, 2007
If taken that i is int...then ans is C , error s there will be in lvalue increment error, (linux mode) ..
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Class Word { public: Word(const char*, int = 0); }; Referring to the sample code above what is the minimum number of arguments required to call the constructor ?
A) 0 b) 1 c) 2 d) 3
manishsddiet
- Jul 15th, 2006
Answer should be be it will take 1 minimum 1 argument since we have placed a const char pointer in argument in the constructor since there is no othet constructor it will definitely require 1 argument to be passed to the char ptr
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What is the function of shell? A. Interpreter B. command interpreter C. interface D. none of these
sheron godfred
- Sep 28th, 2008
Its a command line interpretter but it is also considerd as an inteface that acts between the OS and the hardware
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In database what is validity of the stored data A. data integrity B. mining C. processing D. independence
Chandan Kumar
- Aug 25th, 2015
A. Data Integrity
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Which is not the characteristic of a view ?
a) Consumes Disk space for data b) Multiple tables c) Multiple rows d) UpdateableAnswered by Ragini Rani on 2005-05-13 08:59:28: a view does not consume disk space for data
gineous
- Feb 5th, 2008
correct answer isa) Consumes Disk space for dataBECAUSE VIEWS ARE THE VIRTUAL TABLES WHICH FORMED ON THE EXISTING TABLES OF DATABASE, SO IF WE DO ANY TYPE OF CHANGE IN STORED DATA THAN THIS CHANGE IS ...
maurya
- Mar 12th, 2007
Ans is (D), not updateable
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Which group does Winrunner, Load Runner, SQA Suite fall under ?
a) Databases b) Automated Test Tools c) Operating Systems d) Rapid Application Development Tool
Kavitha
- Nov 15th, 2006
Answer is b: Automated Test Tools
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Compiler recognizes the function as pure virtual function if A. The function if equated to 0. B. The function has no body C. If it is declared with the keyword virtual D. None
arunMkumar
- May 29th, 2008
Hi.., For this question ans A,B&C is absolutely correct . So if they given as all d above; v can select it but here the other option is NONE then v ll give the higher preference to NONE..
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What is the output of the program?
main()
{
char a='123'
printf ("%c n",a);
return 0;
}
A. ASCII value of 121
B. 1
C. 3
D. none of these
akshay
- May 3rd, 2012
The answer is either 3 or its ascii value 51 depending on the compiler.
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What is the function of the modulus operator in most languages ?
a) Sets a system environmental value to either base 10, base 8 or base 16 b) Returns the remainder after dividing one number by another c) Returns the first argument raised to the second argument power d) Prints out the actual code written to standard output rather than executing the code
dinesh
- May 1st, 2016
Return the remainder after dividing one number to other number
abhinav0210
- Feb 1st, 2010
Ans is B. Modulus always returns the remainder when a number is divided by another.
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Which of the following is correct A. static enum num{ON, OFF} B. static const enum num{ON, OFF} C. const enum num{ON, OFF} D. None
sweta_env
- Aug 15th, 2007
Cc is correct because const can work with enum and programme not generate any complilation error.
kummyvv
- Jul 17th, 2007
arun, none of the above are correct. either static or const is not allowed as they are allowed only for objcets & functions not for enumarators, as far as I know.well semicolon is not there, its v...
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Buffer registers are found in A. data bus B. main memory C. I/O devices D. CPU
varshivani
- Oct 10th, 2008
Answer is Cbecause IO devices have IO buffer. It will buffer the data before it does IO action.
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