Login
Register
Dark Mode
Brightness
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
Filter
cse23
Wall
Recent activity
All questions
All answers
Exams Taken
All Blogs
Recent activity by cse23
2
answers
1
Can someone tell expected cut off of ISRO this year.................................Please..
cut-off
cut-off
1.5k
views
commented
May 9, 2017
3
answers
2
ISRO2017-56
Mutual exclusion problem occurs between two disjoint processes that do not interact among processes that share resources among processes that do not use the same resource between two processes that uses different resources of different machine
Mutual exclusion problem occursbetween two disjoint processes that do not interactamong processes that share resourcesamong processes that do not use the same resourcebet...
6.7k
views
commented
May 8, 2017
Operating System
isro2017
operating-system
process-synchronization
mutual-exclusion
+
–
1
answer
3
decomposition made easy mock
Which of the following relation can decompose into BCNF with dependency preserving and lossless join decomposition. (i) R(ABCDE) {AB → C, C → AB, C → D, D → E} (ii) R(ABCDE) {AB → C, C → A, C → D, D → E} A) only i B) Only II C) Both D) Neither
Which of the following relation can decompose into BCNF with dependency preserving and lossless join decomposition.(i) R(ABCDE) {AB → C, C → AB, C → D, D → E}(ii)...
653
views
commented
Mar 8, 2017
5
answers
4
GATE CSE 2017 Set 1 | Question: 26
Let $G=\left ( V,E \right )$ be $any$ connected, undirected, edge-weighted graph. The weights of the edges in $E$ are positive and distinct. Consider the following statements: Minimum Spanning Tree of $G$ is always unique. Shortest path between ... always unique. Which of the above statements is/are necessarily true? I only II only both I and II neither I nor II
Let $G=\left ( V,E \right )$ be $any$ connected, undirected, edge-weighted graph. The weights of the edges in $E$ are positive and distinct. Consider the following statem...
12.3k
views
answered
Feb 11, 2017
Algorithms
gatecse-2017-set1
algorithms
graph-algorithms
normal
+
–
3
answers
5
Ace Test Series: Computer Networks - Sliding Window
Pls verify that Ans. would be 45 or 46 ?
Pls verify that Ans. would be 45 or 46 ?
940
views
answered
Feb 9, 2017
Computer Networks
ace-test-series
computer-networks
sliding-window
+
–
6
answers
6
Gate ECE 2017 Eigen Value
For the given matrix A, one of the Eigenvalue is real $A=\begin{bmatrix} 1 &2 &3 &4 &5 \\ 5 &1 &2 &3 &4 \\ 4&5 &1 &2 &3 \\ 3&4 &5 &1 &2 \\ 2 &3 &4 &5 &1 \end{bmatrix}$ The real Eigen value is:
For the given matrix A, one of the Eigenvalue is real$A=\begin{bmatrix} 1 &2 &3 &4 &5 \\ 5 &1 &2 &3 &4 \\ 4&5 &1 &2 &3 \\ 3&4 &5 &1 &2 \\ 2 &3 &4 &5 &1 \end{bmatrix}$The ...
5.2k
views
commented
Feb 9, 2017
Linear Algebra
matrix
eigen-value
+
–
2
answers
7
Given a hash table with n keys and m slots, with the simple uniform hashing assumption.....
Given a hash table with n keys and m slots, with the simple uniform hashing assumption (each key is equally likely to be hashed into each slot). Collisions are resolved by chaining. (a) What is the probability ... slot ends up empty? (b) What is the expected number of slots that end up not being empty?
Given a hash table with n keys and m slots, with the simple uniform hashing assumption (each key is equally likely to be hashed into each slot). Collisions are resolved b...
5.7k
views
answered
Feb 8, 2017
Programming in C
hashing
data-structures
chaining
+
–
3
answers
8
Data Structure In-Order Predecessor
If a node in a BST has two children, then its in-order predecessor has a) No left child b) No right child c) 2 children d) no child
If a node in a BST has two children, then its in-order predecessor hasa) No left childb) No right childc) 2 childrend) no child
6.9k
views
answered
Feb 8, 2017
DS
data-structures
tree
tree-traversal
+
–
4
answers
9
How many tuples are returned by SQL Query
Consider the following relation instance myTable num1 num2 100 100 100 NULL NULL 100 NULL NULL Query 1: SELECT * FROM myTable WHERE num1 = 100; Query 2: SELECT * FROM myTable WHERE num1 <> 100; If Query 1 returns p tuples and Query 2 returns q tuples, then 10p+q will be _____________
Consider the following relation instance myTablenum1num2100100100NULLNULL100NULLNULL Query 1:SELECT *FROM myTableWHERE num1 = 100;Query 2:SELECT *FROM myTableWHERE num1 <...
1.8k
views
answered
Feb 8, 2017
Databases
databases
sql
+
–
2
answers
10
can someone eaplain this question Normalization
Which of the following statement false is relation R is in 3NF but not BCNF? A) Relation R must consist atleast two over-lapped candidate keys. B) Relation R must consist proper subset of candidate key determines proper ... candidate key and other candidate keys simple candidate key. D) Relation R must consist atleast two compound candidate keys.
Which of the following statement false is relation R is in 3NF but not BCNF?A) Relation R must consist atleast two over-lapped candidate keys.B) Relation R must consist p...
1.7k
views
commented
Feb 5, 2017
Databases
databases
database-normalization
+
–
2
answers
11
subnet mask made easy
If the broadcast address of the subnet is given as 163.93.63.255, which of the following mask cannot suit the above address? A) 255.255.240.0 B) 255.255.248.0 C) 255.255.128.0 D) Both (a) and (b)
If the broadcast address of the subnet is given as 163.93.63.255, which of the following mask cannot suit the above address?A) 255.255.240.0B) 255.255.248.0C) 255.255.128...
1.7k
views
answered
Feb 5, 2017
0
answers
12
MADE EASY..IMP
Consider a disk drive with the following specifications. 16 surfaces, 128 tracks / surfaces, 256 sectors / track, 512 B / sector, rotations speed 3600 rpm. The disk is operated in cycle stealing mode whereby whenever one byte word is ready it is sent to ... reads a 5 byte word from the memory in each DMA cycle. Memory cycle time is 50microsec percentage for which CPU is blocked??
Consider a disk drive with the following specifications. 16 surfaces, 128 tracks / surfaces, 256 sectors / track, 512 B / sector, rotations speed 3600 rpm. The disk is op...
283
views
asked
Feb 5, 2017
4
answers
13
Interrupt I/O
Consider a system employing interrupt driven input/output for a particular device that transfers data at an average of 16 KB/s on a continuous basis. Assume that interrupt processing takes 50 μsec (i.e., the jump to the interrupt service routine (ISR), ... of processor time is consumed by this input/output device if it interrupt for every byte is _______ (Upto 3 decimal places).
Consider a system employing interrupt driven input/output for a particular device that transfers data at an average of 16 KB/s on a continuous basis. Assume that interrup...
6.5k
views
commented
Feb 4, 2017
CO and Architecture
co-and-architecture
interrupts
+
–
1
answer
14
UGC NET CSE | December 2013 | Part 3 | Question: 49
Match the following: ... $\text{a-iii, b-iv, c-i, d-ii}$ $\text{a-iii, b-i, c-iv, d-ii}$
Match the following:$\begin{array}{} {} & {\textbf{List -I}} & {} & {\textbf{List-II}} \\ \text{a.} & \text{Indexed addressing} & \text{i.} & \text{is not used when ...
1.9k
views
commented
Feb 4, 2017
CO and Architecture
ugcnetcse-dec2013-paper3
co-and-architecture
addressing-modes
+
–
1
answer
15
made easy
In a set of 500 first odd natural numbers. The total number divisible by 3 or 5 are
In a set of 500 first odd natural numbers. The total number divisible by 3 or 5 are
721
views
commented
Feb 3, 2017
5
answers
16
number of schedules conflict equivalent schedule
Consider the following schedule: S : w1(A) w1(B) r2(A) w2(B) r3(A) w3(B) The number of schedules conflict equivalent are __________ .
Consider the following schedule:S : w1(A) w1(B) r2(A) w2(B) r3(A) w3(B)The number of schedules conflict equivalent are __________ .
7.1k
views
commented
Feb 3, 2017
Databases
databases
+
–
1
answer
17
GEEKS_MOCK
183
views
asked
Feb 2, 2017
0
answers
18
GEEKS_MOCK
Find the maximum value of the expression (x+y+k) where (x,y) satisfies the equation (x-2)2 + (y-3)2 = 25 A (5+k) + 5√2 B 5+k C 5 + √k D 2+k
Find the maximum value of the expression (x+y+k) where (x,y) satisfies the equation (x-2)2 + (y-3)2 = 25A(5+k) + 5√2B5+kC5 + √kD2+k
171
views
asked
Feb 2, 2017
0
answers
19
GEEKS_MOCK
The value of the following Integral is:
The value of the following Integral is:
157
views
asked
Feb 2, 2017
1
answer
20
GEEKS_MOCK
Suppose there are two teams A and B. Both of them are competing with each other on a racing track of 1 km. But team A has got the advantage of starting the race from 280 m from the starting point. If the ratio of speed of A to B is 3:4. Select the correct option from the ... given below: A Team A will win by 20m B Team B will win by 20m C Team A will win by 40m D Team B will win by 40m
Suppose there are two teams A and B. Both of them are competing with each other on a racing track of 1 km. But team A has got the advantage of starting the race from 280 ...
880
views
asked
Feb 2, 2017
2
answers
21
B + TREE DELETION
CAN SOMEONE PLZ EXPLAIN TO ME DELETION IN B+ TREES?? I AM NOT ABLE TO UNDERSTAND CLEARLY.
CAN SOMEONE PLZ EXPLAIN TO ME DELETION IN B+ TREES?? I AM NOT ABLE TO UNDERSTAND CLEARLY.
779
views
answered
Feb 1, 2017
Databases
b-tree
data-structures
databases
+
–
1
answer
22
Segmented Paging
Consider a system using segmented paging architecture, the segment is divided into 32K pages and each page is having 8K entries. The segment table is divided into 16K pages and each page is having 4K entries. The memory is byte addressable and page table entry ... . The Physical Address space is 1GB. Evaluate : The Page table size of segment. The Page table size of segment table.
Consider a system using segmented paging architecture, the segment is divided into 32K pages and each page is having 8K entries. The segment table is divided into 16K pag...
4.7k
views
commented
Jan 31, 2017
2
answers
23
Virtual Gate Test Series: Digital Logic - Number Representation
How many minimum bits are required to represent $-16$ in $2's$ complement form
How many minimum bits are required to represent $-16$ in $2's$ complement form
400
views
asked
Jan 31, 2017
Digital Logic
digital-logic
number-representation
virtual-gate-test-series
+
–
0
answers
24
DIRECTION QUESTION
X IS 1KM NORTHEAST OF Y. Y IS 1KM SOUTHEAST OF Z. W IS 1KM WEST OF Z. P IS 1KM SOUTH OF W. Q IS 1KM EAST OF P. WHAT IS DISTANCE BETWEEN X AND Q IN KM?? A. 1 B. SQUARE ROOT(2) C. SQUAREROOT(3) D. 2 i AM GETTING C as answer...please verify
X IS 1KM NORTHEAST OF Y. Y IS 1KM SOUTHEAST OF Z. W IS 1KM WEST OF Z. P IS 1KM SOUTH OF W. Q IS 1KM EAST OF P. WHAT IS DISTANCE BETWEEN X AND Q IN KM??A. 1B. SQUARE ROOT(...
1.8k
views
recategorized
Jan 31, 2017
4
answers
25
UGC NET CSE | January 2017 | Part 3 | Question: 29
In RSA public key cryptosystem suppose $n=p*q$ where $p$ and $q$ are primes. $(e,n)$ and $(d,n)$ are public and private keys respectively. Let $M$ be an integer such that $o< M< n$ and $\phi(n)=(p-1)(q-1)$. Which of the following equations ... I and II I and III II and III I and IV
In RSA public key cryptosystem suppose $n=p*q$ where $p$ and $q$ are primes. $(e,n)$ and $(d,n)$ are public and private keys respectively. Let $M$ be an integer such that...
1.1k
views
answered
Jan 31, 2017
Computer Networks
ugcnetcse-jan2017-paper3
computer-networks
rsa-security-networks
+
–
5
answers
26
UGC NET CSE | January 2017 | Part 3 | Question: 19
Which of the following are not regular? Strings of even number of a’s Strings of a’s , whose length is a prime number. Set of all palindromes made up of a’s and b’s. Strings of a’s whose length is a perfect square. (i) and (ii) only (i), (ii) and (iii) only (ii),(iii) and (iv) only (ii) and (iv) only
Which of the following are not regular?Strings of even number of a’sStrings of a’s , whose length is a prime number. Set of all palindromes made up of a’s and b’s...
1.3k
views
answered
Jan 31, 2017
Theory of Computation
ugcnetcse-jan2017-paper3
theory-of-computation
regular-language
+
–
3
answers
27
madeeasy test series
Two gate aspirants talking to each other use the RSA algorithm to encrypt their messages. They encrypt the message character by character. The value of p, q and d are 5, 17 and 13 respectively, where p, q and d are their integers having usual meaning in ... , 2, 3,..., respectively).The sum of integers in cipher text for corresponding characters in plain text: IIT _________ .
Two gate aspirants talking to each other use the RSA algorithm to encrypt their messages. They encrypt the message character by character. The value of p, q and d are 5, ...
2.0k
views
commented
Jan 31, 2017
1
answer
28
self doubt
We know Relational algebra(RA) and Relational calculas(RC) are equivalent in power...Can we say power of SQL and relational algebra are same?? I think no because we have some aggegate function, order by etch which is not done by relational algebra but all the RA operations can be done in SQL so can say SQL has highest power than RA/RC????
We know Relational algebra(RA) and Relational calculas(RC) are equivalent in power...Can we say power of SQL and relational algebra are same??I think no because we have s...
498
views
commented
Jan 31, 2017
1
answer
29
compilers syllabus doubt
is DAG in compiler syllabus?
is DAG in compiler syllabus?
650
views
answered
Jan 31, 2017
Compiler Design
compiler-design
gate2017
syllabus
+
–
1
answer
30
made eaasy mock 6
Consider the following languages : L1 : Set of all strings of form {apbqp + q = 500} over alphabet Σ = {a, b}. L2 : Set of all strings of form {apbqp – q = 500} over alphabet Σ = {a, b}. Which of the above languages is regular ? A) L1 B) L2 C) Both D) None of these
Consider the following languages :L1 : Set of all strings of form {apbqp + q = 500} over alphabet Σ = {a, b}.L2 : Set of all strings of form {apbqp – q = 500} ov...
233
views
commented
Jan 31, 2017
Email or Username
Show
Hide
Password
I forgot my password
Remember
Log in
Register