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4 answers

1

ISRO2018-34
Micro program is: the name of a source program in micro computers set of microinstructions that defines the individual operations in response to a machine-language instruction a primitive form of macros used in assembly language programming a very small segment of machine code

answered in CO and Architecture Jan 9, 2020

2.5k views

8 answers

2

GATE CSE 2015 Set 1 | Question: 37
A positive edge-triggered $D$ flip-flop is connected to a positive edge-triggered $JK$ flip-flop as follows. The $Q$ output of the $D$ flip-flop is connected to both the $J$ and $K$ inputs of the $JK$ ... $JK$ flip-flops. Both the flip-flops have non-zero propagation delays. $0110110\ldots$ $0100100\ldots$ $011101110\ldots$ $011001100\ldots$

answered in Digital Logic Jan 27, 2018

13.0k views

2 answers

3

pointers
when we have two pointers p,q pointing to same array to find the number of elements we should give q-p or q-p+1

answered in Programming in C Nov 20, 2017

498 views

2 answers

4

answered in Linear Algebra Nov 20, 2017

299 views

2 answers

5

eigen values and determinents
Let A be a 4 × 4 matrix with real entries such that -1, 1, 2, -2 are its eigen values. If B = A4 - 5A2 + 5I where I denotes 4 × 4 identity matrix, then which of the following is correct? (det(X) represents determinant of X) (A) det(A + B) = 0 (B) det(B) = 1 (C) trace of A + B is 4 (D) all of these

answer edited in Linear Algebra Nov 20, 2017

2.1k views

0 answers

6

Const pointer
The output of below code is_______________. int main() { int i = 120; int *a = &i; foo(&a); printf("%d ", *a); printf("%d ", *a); } void foo(int **const a) { int j = 210; *a = &j; printf("%d ", **a); }

commented in Programming in C Nov 18, 2017

356 views

3 answers

7

#testseries
Consider the following E-R diagram: What is the minimum relations required which satisfied the 2nd normal form? A) 1 B) 2 C) 3 D) 4

answer edited in Databases Nov 18, 2017

1.4k views

1 answer

8

Matrix Eigen Value
A 3× 3 real matrix has an eigen value i, then its other two eigen values can be (A) 0, 1. (B) -1, i. (C) 2i, -2i. (D) 0, -i.

commented in Mathematical Logic Nov 17, 2017

1.5k views

2 answers

9

gate 2008 matrices engineering maths
If the rank of a (5X6) matrix Q is 4, then which one of the following statement is correct (A) Q will have four linearly independent rows and four linearly independent columns (B) Q will have four linearly independent rows and five linearly independent columns (C) QQT will be invertible (D) QTQ will be invertible

answered in Linear Algebra Nov 16, 2017

3.2k views

3 answers

10

made easy test series
i think in this ques BD->E also voilates 3NF plz correct me if i am wrong

answered in Databases Nov 16, 2017

604 views

1 answer

11

output
#include<stdio.h> int main() { int y=3 ; int z= (--y) + (y=10); printf("%d ",z); } can someone explain how is it 20 ?

commented in Programming in C Nov 15, 2017

1.1k views

1 answer

12

Binary Search tree

answered in Programming in C Nov 14, 2017

781 views

1 answer

13

Ace test series
if the relation contains candidate key A and B then which of the following is incorrect? (a) A is a primary key (b) B is a candidate key (c){A,B } is a candidate key (d) {A,B } is a super key

answer edited in Databases Nov 14, 2017

408 views

3 answers

14

Number of tuples in natural join
Consider the following relations: $R_1(A,B,C)$ and $R_2(A,D,E)$. $R_1$ has 1000 records and $R_2$ has 2000 records. The attribute $A$ in $R_2$ is referencing attribute $A$ in $R_1$. Let $X$ be minimum number of records in $R_1$ ⨝ $R_2$ and $Y$ be the maximum number of records in $R_1$⨝$R_2$. The sum of $(X+Y)$ is _______.

answer selected in Databases Nov 9, 2017

11.2k views

1 answer

15

UGC NET CSE | November 2017 | Part 2 | Question: 35
Match the description of several parts of a classic optimizing compiler in $\textbf{List-I}$, with the names of those parts in $\textbf{List-II}$ ... $\text{(a)-(ii); (b)-(iv); (c)-(iii); (d)-(i)}$

answered in Compiler Design Nov 9, 2017

1.2k views

3 answers

16

UGC NET CSE | November 2017 | Part 2 | Question: 39
Which module gives control of the CPU to the process selected by the short-term schedular? Dispatcher Interrupt Schedular Threading

answered in Unknown Category Nov 9, 2017

2.8k views

2 answers

17

UGC NET CSE | November 2017 | Part 2 | Question: 40
Two atomic operations permissible on Semaphores are _________ and ________. wait, stop wait, hold hold, signal wait, signal

answered in Unknown Category Nov 9, 2017

1.3k views

1 answer

18

Cormen Exercise
Why do we want the loop index i in Line 2 of BUILD_MAX_HEAP to decrease from ceil(A.length/2) to 1 rather than increase from 1 to ceil(A.length/2) ?

answered in DS Nov 9, 2017

468 views

1 answer

19

UGC NET CSE | November 2017 | Part 2 | Question: 20
_________ SQL command changes one or more fields in a record LOOK-UP INSERT MODIFY CHANGE

answered in Unknown Category Nov 9, 2017

468 views

2 answers

20

UGC NET CSE | November 2017 | Part 2 | Question: 18
Match the following with respect to RDBMS : ... $\text{(a)-(ii); (b)-(iii); (c)-(iv); (d)-(i)}$

answered in Unknown Category Nov 9, 2017

1.3k views

2 answers

21

Division in RA
Please explain me the division operation. Considering the two relations as below, $R$ A B C a1 b1 c1 a2 b1 c2 a1 b2 c2 a2 b2 c2 a1 b3 c3 $S$ A a1 a2 What will be the result of $R\div S$

answered in Databases Nov 3, 2017

1.0k views

5 answers

22

What is the time complexity to construct binary search tree when inorder and postorder traversal of tree is given?

answered in DS Nov 2, 2017

6.8k views

1 answer

23

normal form
R(W, X, Y, Z) is a relation FD - WX→Y,Y→WZ. It is in which normal form?

answered in Databases Nov 1, 2017

580 views

1 answer

24

Databases
Can somebody answer for statement 1) is it true or false ... also please say why it is so

answered in Databases Oct 31, 2017

487 views

7 answers

25

Partial dependency
The number of partial dependencies in a relation R{X,Y,V,U,Z} with FD set F={X->YZ, Z->V, V->XY} is ____

answer selected in Databases Oct 30, 2017

2.9k views

1 answer

26

commented in Databases Oct 29, 2017

754 views

1 answer

27

Doubt Database
How to remove extraneous attributes ?? Que - find the minimal cover of the functional dependency set A->BCDEF BC->ADEF B->F D->E explain whlole procedure please

answer selected in Databases Oct 29, 2017

956 views

1 answer

28

indexing
Given a data file with 100 records per page and 1000 pages and on index page capacity of 512 index entries, how deep should be the B+ tree to index this file. please explain with a diagram.

commented in Databases Oct 28, 2017

799 views

2 answers

29

language (TM)
what is the difference between recursive, RE and REL language?? confuse...

answer selected in Theory of Computation Oct 28, 2017

2.7k views

2 answers

30

DBMS Counting superkeys
R(ABCDEF) with candidate keys set { A,BC,CD}. Find number of superkeys?

answer selected in Databases Oct 26, 2017

633 views