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1
why is it showing error?? #include <stdio.h> int main() { extern int i; i=20; printf("%d",i); }
answered Mar 24, 2017 in Programming 248 views
3 answers
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I wanted to convert my home modem to coffee shop and give internet to my customers . But due to security reasons users should register their mobile before they get access to inernet. How can I build this project ? Where should I start with ? Currently i have got D-Link modem
commented Mar 23, 2017 in Pure Web Development 352 views
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How to prepare SOP (Statement Of Purpose ) ? What are the important points to be taken in mind while preparing SOP
asked Mar 13, 2017 in IIITH-PGEE 942 views
1 answer
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I) In a 4 stage pipeline processor, if each stage takes 4 cycles then what is CPI in case of successfull pipeline??? II) In a 4 stage pipeline processor, if each stage takes 2,3,4,5 cycles respectively then what is CPI in case of ... there are branch imstructions and branch address is available in 3rd stage then what should be branch pelanty??(In both the implementations mentioned above)
commented Feb 5, 2017 in CO and Architecture 361 views
1 answer
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The following sequence of instruction is executed in a basic 5 stage pipelined processor (S1, S2, S3, S4, S5). Assume that data dependency present in the program is resolved by operand forwarding techniques. Load instruction output present in 4th stage ALU instruction output is ... What is the number of instructions must be inserted to achieve CPI = 1 by using operand forwarding.
commented Feb 5, 2017 in CO and Architecture 399 views
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Is the following schedule view serializable? T1 T2 T3 R(A) R(A) W(A) W(A) W(A)
commented Feb 5, 2017 in Databases 162 views
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in a set of odd numbers less than 500, What is the total number of numbers divisible by 15?
commented Feb 4, 2017 in Numerical Ability 599 views
1 answer
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In a set of 500 first odd natural numbers. The total number divisible by 3 or 5 are
commented Feb 3, 2017 in Numerical Ability 364 views
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My ques. is not the no. of topological sort as i have computed it myself. My problem is can someone please telll me a efficient approach as tree method is taking a lot of time here, like by use of combinatorics, can we find it easily, i.e in less time. and if possible, pls provide general approach apart from tree method.
commented Feb 3, 2017 in Algorithms 1k views
1 answer
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WHat is the union of the following wo languages L=0*1+0+1* ∪ 10*1 L=001 U 0*1*
asked Feb 3, 2017 in Theory of Computation 116 views
1 answer
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A stack A has 4 entries as following sequence a,b,c,d and stack B is empty. An entry popped out of stack A can be printed or pushed to stack B. An entry popped out of stack B can only be printed. Then the number of possible permutations that the entries can be printed will be ? Stack A Stack B = empty a(TOP) b c d
commented Feb 3, 2017 in DS 1k views
2 answers
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Consider languages L1 and L2 over alphabet Σ = {a, b}. L1 is known to be a context-free language. L2 = {w|w is prefix of w' ∈ L1} Which of the following is true ? A> L2 need not be CFL B> L2 will be regular ​​​​​​​C> L2 will be CFL D> None of the above
commented Feb 3, 2017 in Theory of Computation 255 views
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Q3: What kind of ciphers Electronic Codebook (ECB) mode and Cipher Block Chaining (CBC) mode are (A) Block cipher (B) Stream cipher (C) Field cipher (D) both (A) and (B)
commented Feb 3, 2017 in Computer Networks 337 views
1 answer
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Suppose we want to sort an array in ascending order and we implement quicksort so that we always choose the last element in the array as the pivot element. Assume that the input is a permutation of {1, 2, , n}. Which of the following would definitely be a worst case ... some random order. {1, 2, . . . , n} with all odd numbers in ascending order followed by all even numbers in random order.
answer selected Feb 3, 2017 in Algorithms 2.2k views
1 answer
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Q6. ___________Data Encryption Standard (DES) was designed to increase the size of the Data Encryption Standard (DES) key. (A) Double (B) Triple (C) Quadruple (D) none of these
commented Feb 3, 2017 in Computer Networks 1.7k views
1 answer
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State True or False . Please explain in 2 or 3 sentences Temporal locality states if a page is accessed, then there is a high chance that the nearby pages will be accessed.
asked Feb 3, 2017 in Operating System 259 views
1 answer
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In the Contiguous allocation for disk blocks, files cannot grow dynamically because _______ The next block could be occupied by another file The scheme does not allow files to grow (by design itself) (No answer is correct because files can grow) The disk does not have enough space I think both 1 and 2 are correct . What do you say ?
commented Feb 3, 2017 in Operating System 351 views
1 answer
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State true or false. When a user encounters a page fault, 1) The user application informs the OS, 2) User uses API calls to the hardware Memory Management unit, 3) Memory Management unit brings the page from hard disk to main memory. Is Statement 2 correct ?
commented Feb 3, 2017 in Operating System 675 views
1 answer
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If there are no attributes in common between two relations R and S then, what should be the result of (R natural join S)? 1) R x S 2) $\phi$ I think option 2 because of following definition from Korth:
commented Feb 3, 2017 in Databases 103 views
1 answer
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What is the error in the following code . Please do correct them #include <stdio.h> int main () { char *x[5] = {"raju","ramu","tinu","ben","ali"}; printf("%s\n",(x[2][0]) ); return 0; }
comment edited Feb 3, 2017 in Programming 116 views
2 answers
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In how many different ways 10 identical ball can be distributed among 3 children, if each receives atleast 2 balls and no more than 4 balls?
commented Feb 3, 2017 in Combinatory 549 views
2 answers
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Choose the most appropriate phrase from the options given below to complete the following sentence. The aircraft __________ take off as soon as its flight plan was filed. Is allowed to Will be allowed to Was allowed to Has been allowed to
commented Feb 2, 2017 in Verbal Ability 782 views
3 answers
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Select the pair that best expresses a relationship similar to that expressed in the pair: Medicine: Health Science: Experiment Wealth: Peace Education: Knowledge Money: Happiness
commented Feb 1, 2017 in Verbal Ability 1.1k views
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$\underset{\text{I}}{\underline{\text{The professor}}}$ $\underset{\text{II}}{\underline{\text{ordered to}}}$ $\underset{\text{III}}{\underline{\text{the students to go}}}$ $\underset{\text{IV}}{\underline{\text{out of the class.}}}$ Which of the above underlined parts of the sentence is grammatically incorrect? I II III IV
commented Feb 1, 2017 in Verbal Ability 1.4k views
3 answers
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Fill in the blank with the correct idiom/phrase. That boy from the town was a ____________ in the sleepy village. dog out of herd sheep from the heap fish out of water bird from the flock
commented Feb 1, 2017 in Verbal Ability 2.5k views
3 answers
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Which of the following options is the closest in meaning of the sentence below? She enjoyed herself immensely at the party. She had a terrible time at the party She had a horrible time at the party She had a terrific time at the party She had a terrifying time at the party
commented Feb 1, 2017 in Verbal Ability 1.2k views
2 answers
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Choose the most appropriate word(s) from the options given below to complete the following sentence. I contemplated _________ Singapore for my vacation but decided against it. to visit having to visit visiting for a visit
commented Feb 1, 2017 in Verbal Ability 1.6k views
2 answers
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R(ABCDEF) FD set{ AB->CDE. CD->E, E->C } False statement? A. 2 NF decomposition possible B.3 NF decomposition possible C.BCNF decomposition possible D. ALL
commented Feb 1, 2017 in Databases 547 views
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$X$ is an entity set. $E$ and $F$ are multivalued attributes. How many minimum tables which satisfy 1NF ? How many minimum tables which satisfy 2NF ? How many minimum tables which satisfy 3NF ? How many minimum tables which satisfy BCNF ? How many minimum tables which satisfy 4NF ?
commented Feb 1, 2017 in Databases 948 views
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