Recent activity - GATE Overflow

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1

UGCNET-Dec2004-II: 47
The processing speeds of pipeline segments are usually : Equal. Unequal. Greater. None of these.

answered 30 minutes ago in CO and Architecture by Kumar1712 (11 points) | 5 views

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2

ISI-SAMPLE-2014-19

comment edited 1 hour ago in Calculus by SatyamK (205 points) | 94 views

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3

UGCNET-June2006-II: 13
If the following loop is implemented { int num $=0;$ $do {-- num; printf (“\%d”, num); num++;}$ while $(num>=0)$ } { int num =0; do {-- num; printf (“\%d”, num); num++;} while(num>=0) } the loop will run infinitely many times the program will not enter the loop there will be compilation error reported a run time error will be reported

edited 1 hour ago in Others by Lakshman Patel RJIT Veteran (61.2k points) | 15 views

+2 votes

1 answer

4

control word and control address register
Consider a CPU where all the instructions require 6 clock cycles to complete their execution.Under the instruction set there are 215 instructions and a total of 125 control signalsare needed to be generated by the control unit.While ... field format is used for branch control logic.What is thhe minimum size of control word and control address register

commented 2 hours ago in CO and Architecture by Lovejeet Singh (55 points) | 3.8k views

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1 answer

5

UGCNET-Dec2005-II: 42

answered 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 3 views

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1 answer

6

UGCNET-Dec2005-II: 40

answered 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 3 views

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7

UGCNET-Dec2005-II: 32

commented 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 3 views

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1 answer

8

UGCNET-June2006-II: 45
The COCOMO model is used for_____. software design software cost estimation software cost approximation software analysis

answered 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 6 views

+9 votes

3 answers

9

GATE1989-13b
Find a solution to the following recurrence equation: $T(n)=\sqrt{n}+T(\frac{n}{2})$ $T(1)=1$

commented 4 hours ago in Algorithms by indra kumar sahu (27 points) | 921 views

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1 answer

10

UGCNET-June2007-II: 36
Part of a program where the shared memory is accessed and which should be executed indivisibly, is called: Semaphores Directory Critical section Mutual exclusion

answered 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 5 views

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1 answer

11

UGCNET-June2007-II: 35
Moving precess from main memory to disk is called: Caching Termination Swapping Interruption

answered 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 6 views

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1 answer

12

UGCNET-June2007-II: 4
The regular expression given below describes: $r=(1+01)$*$(0+\lambda)$ Set of all string not containing $’11’$ Set of all string not containing $’00’$ Set of all string containing $’01’$ Set of all string ending in $’0’$

answered 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 6 views

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1 answer

13

UGCNET-June2007-II: 1
The following determiniotic finite automata recognizes: Set of all strings containing $’ab’$ Set of all strings containing $’aab’$ Set of all strings ending in $’abab’$ None of the above

answered 4 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 7 views

0 votes

1 answer

14

UGCNET-Dec2007-II: 38
Average process size = s bytes. Each page entry requires e bytes. The optimum page size is given by : $\sqrt{(se)}$ $\sqrt{(2se)}$ $s$ $e$

answered 4 hours ago in Operating System by chirudeepnamini Loyal (5.3k points) | 6 views

0 votes

1 answer

15

UGCNET-Dec2007-II: 22
Which of the following data structure is used to implement recursion ? Arrays. Stacks. Queues. Linked lists.

answered 4 hours ago in DS by chirudeepnamini Loyal (5.3k points) | 8 views

0 votes

1 answer

16

UGCNET-Dec2007-II: 17
Aggregate functions in SQL are : GREATEST, LEAST and ABS. SUM, COUNT and AVG. UPPER, LOWER and LENGTH. SQRT, POWER and MOD.

answered 5 hours ago in Databases by chirudeepnamini Loyal (5.3k points) | 6 views

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1 answer

17

UGCNET-Dec2007-II: 2
The number of edges in a complete graph with ‘n’ vertices is equal to : $n(n-1)$ $\large\frac{n(n-1)}{2}$ $n^2$ $2n-1$

answered 5 hours ago in Graph Theory by chirudeepnamini Loyal (5.3k points) | 10 views

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0 answers

18

UGCNET-June2007-II: 32
A Top-down Parse generates: Right-most derivation. Right-most derivation, in reverse. Left-most derivation. Left-most derivation, in reverse.

commented 5 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 6 views

0 votes

1 answer

19

UGCNET-June2007-II: 39
Which page replacement policy suffers from Belady’s anomaly? $LRV$ $LFU$ $FIFO$ $OPTIMAL$

answered 5 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 5 views

0 votes

0 answers

20

UGCNET-June2007-II: 41
Which of the following combination is preferred with respect to cohesion and coupling: low and low low and high high and low high and high

commented 5 hours ago in Others by chirudeepnamini Loyal (5.3k points) | 6 views

+1 vote

1 answer

21

Find the no. of tokens
Find no of tokens in below program. #include<stdio.h> main() { int I; int *pi = &I; //parent pointer scanf("%d",pi); printf("%d\n", I+5); }

commented 7 hours ago in Compiler Design by Aryanishu2000 (17 points) | 717 views

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1 answer

22

UGCNET-Dec2006-II: 33
A compiler for a high level language that runs on one machine and produces code for a different machine is called : Optimizing. One pass compiler. Cross compiler. Multipass compiler.

answer selected 12 hours ago in Compiler Design by Arjun Veteran (435k points) | 10 views

0 votes

1 answer

23

UGCNET-Dec2007-II: 33
Absolute loader demands that the programmer needs to know the : start address of the available main memory. total size of the program. actual address of the data location. absolute values of the operands used.

commented 12 hours ago in Compiler Design by Arjun Veteran (435k points) | 9 views

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1 answer

24

UGCNET-Dec2006-II: 34
The ‘K’ in LR (K) cannot be : $0$ $1$ $2$ None of these

edited 12 hours ago in Compiler Design by Arjun Veteran (435k points) | 9 views

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1 answer

25

UGCNET-Dec2006-II: 35
Peer-hole optimization is a form of : loop optimization. local optimization. constant folding. data flow analysis.

answer selected 12 hours ago in Compiler Design by Arjun Veteran (435k points) | 8 views

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1 answer

26

UGCNET-Dec2006-II: 40
Loading operating system from secondary memory to primary memory is called ____________ . Compiling. Booting. Refreshing. Reassembling.

answer selected 12 hours ago in Compiler Design by Arjun Veteran (435k points) | 6 views

0 votes

1 answer

27

UGCNET-Dec2004-II: 34
Which activity is included in the first pass of two pass assemblers ? Build the symbol table. Construct the intermediate code. Separate mnemonic opcode and operand fields. None of these.

commented 12 hours ago in Compiler Design by Arjun Veteran (435k points) | 10 views

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1 answer

28

UGCNET-Dec2004-II: 33
Code optimization is responsibility of : Application programmer. System programmer. Operating system. All of the above.

commented 12 hours ago in Compiler Design by Arjun Veteran (435k points) | 11 views

+11 votes

2 answers

29

ISRO2016-44
Peephole optimization is form of Loop optimization Local optimization Constant folding Data flow analysis

commented 13 hours ago in Compiler Design by smsubham Boss (15.5k points) | 4.7k views

0 votes

1 answer

30

Self Doubt - Quick Sort
Consider the following inputs: 1) 2 2 2 2 2 2 2 2) 1 2 3 4 5 6 7 3) 7 6 5 4 3 2 1 In all three cases, the worst-case time complexity of quicksort is O(n2) My doubt is if I am taking the middle element as a pivot, ... ), right? Can someone explain how we are saying worst-case time complexity for these three cases is O(n2) irrespective of the selection of the pivot element?

answered 13 hours ago in Algorithms by Harshitkmr (271 points) | 73 views

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1 answer

31

UGCNET-Dec2007-II: 35
In the context of compiler design, reduction in strength refers to : code optimization obtained by the use of cheaper machine instructions. reduction in accuracy of the output. reduction in the range of values of input variables. reduction in efficiency of the program.

answered 14 hours ago in Compiler Design by smsubham Boss (15.5k points) | 5 views

0 votes

1 answer

32

UGCNET-Dec2007-II: 34
Top-down parsers are predictive parsers, because : next tokens are predicted. length of the parse tree is predicted before hand. lowest node in the parse tree is predicted. next lower level of the parse tree is predicted.

answered 15 hours ago in Compiler Design by smsubham Boss (15.5k points) | 6 views

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0 answers

33

UGCNET-Dec2007-II: 32
A single instruction in an assembly language program contains : one micro operation. one macro operation. one instruction to be completed in a single pulse. one machine code instruction.

commented 15 hours ago in Compiler Design by smsubham Boss (15.5k points) | 5 views

0 votes

1 answer

34

UGCNET-Dec2007-II: 31
In a two pass compiler, during the first pass : user defined address symbols are correlated with their binary equivalent. the syntax of the statement is checked and mistakes, if any, are listed. object program is generated. semantic of the source program is elucidated.

answered 15 hours ago in Compiler Design by smsubham Boss (15.5k points) | 7 views

+2 votes

0 answers

35

ISI2014-DCG-31
For real $\alpha$, the value of $\int_{\alpha}^{\alpha+1} [x]dx$, where $[x]$ denotes the largest integer less than or equal to $x$, is $\alpha$ $[\alpha]$ $1$ $\dfrac{[\alpha] + [\alpha +1]}{2}$

comment edited 16 hours ago in Calculus by SatyamK (205 points) | 44 views

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0 answers

36

UGCNET-June2007-II: 43
Match the following: ...

edited 19 hours ago in Others by Chandanachandu Active (2.4k points) | 4 views

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0 answers

37

UGCNET-Jan2017-III: 4
Match the following ...

edited 19 hours ago in Others by Chandanachandu Active (2.4k points) | 17 views

0 votes

0 answers

38

UGCNET-June2007-II: 50
Which digital radio technology employs an $N=1$ frequency – reuse plan? $GSM$ $TDMA$ $D$ $AMPS$ $CDMA$

recategorized 20 hours ago in Others by Chandanachandu Active (2.4k points) | 3 views

0 votes

0 answers

39

UGCNET-June2007-II: 49
The U-NII (Unlicensed National Information Infrastructure) band operates at the _______frequency: $2.4$ GHz $33$ MHz $5$ GHz $16$ GHz

recategorized 20 hours ago in Others by Chandanachandu Active (2.4k points) | 3 views

0 votes

0 answers

40

UGCNET-June2007-II: 48
Dimensional modeling in Data Mining refers to: view and interrogate data define structures and store data retrieve information only none of these

recategorized 20 hours ago in Others by Chandanachandu Active (2.4k points) | 3 views

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