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A vendor sells his articles at a certain profit percentage. If he sells his articles at ¼^{th} of his actual selling price then he incurs a loss of 60%. What is his actual profit percentage?
Find wrong number in series: 23, 29, 31, 33, 41, 43, 47
Criteria for selecting candidate for internship programme
The candidate:
(1) can preferably start the internship between 18th Oct'17 and 17th Nov'17
(2) are preferably available for duration of 6 months
(3) have computer skills and interest in designing
(4) have already graduated or are currently in any year of study
(5) knows to deal with customers
Nick is a high school student and wants to do an internship as his summer project. He is a very vibrant boy and goes well with people. Is he the right candidate for the internship?
Direction: In the given question, one statement with a blank along with four words is given. Two of the given words can fit into the given blank. Five options with various combinations of these words are given. Choose the combination of the words that best fits into the blank.
Comedian Vasu Primlani takes a hilarious ______ at the new trend of renaming Indian cities.
a) Jabs
b) Jokes
c) Satires
d) Gags
Which of the following is MOST OPPOSITE in meaning to Locus?
The ratio between the speed of a bus and train is 15 : 27, respectively. Also, a car covered a distance of 720 km in 9 h. The speed of the bus is three fourth of the speed of the car. How much distance will the train cover at 7 h?
The Union Sports Ministry has approved five lakh rupees from the National Welfare Fund for Sportspersons for Kaur Singh who is suffering from heart disease. Kaur Singh is associated with which of the following sports?
Direction: In the following table data is given about an electronic shop. Some data is given and some data is hidden. Study the given data carefully and answer the related questions given below.
Selling price of T.V is what percent of Marked price of laptop?
Direction: In the given question below there are three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements:
All oils are sands
Some clays are oils
All clays are rocks
Conclusions:
I. At Least some clays are sands
II. Some oil is not rock
Direction: In the given question, the 1st part of the sentence is given. The rest of the sentence/passage is split into four parts and named A, B, C and D. These four parts are not given in their proper order. Read the sentence and find out which of the four combinations is correct.
1) According to Indian Express, on Sunday, six men reached a South Delhi businessman's house in Malviya Nagar in a Tata Safari car bearing the Haryana government’s sticker fixed on the windscreen.
(A) One of the guys first took away all the cell phones of the businessman’s family members alleging that they had come on government duty to investigate a tax evasion charge.
(B) The plan could have been successfully executed but one of the family members found their behaviour suspicious.
(C) When the family member raised an alarm about the same, about 150 people from the same locality gathered outside the trader's house and the con men were beaten up and interrogated before they were handed over to the police.
(D) They “searched” the house, moving from room to room, and collected Rs 20 lakh in cash that they kept in their cars.
Consider the following conditions:
1. tp < Δt
2. Δt < T
3. tp > Δt
4. Δt > T
Where, tp = pulse width,
Δt = propagation delay and
T = clock time period.
The race around condition in the FlipFlop can be avoided if conditions
Consider the following schedules involving three transaction:
S_{1} : W_{2}(x), W_{1}(x), R_{3}(x), W_{2}(y), R_{3}(y), R_{3}(z), R_{2}(x), R_{1}(y)
S_{2} : R_{2}(z), W_{2}(x), W_{2}(y), R_{1}(x), R_{3}(x), R_{2}(z), R_{3}(y), W_{1}(x)
Which of the above schedules are conflict serializable?
Consider the grammar defined by the following production rules:
S → A * C
A → B + A  B
B → A – B  A
A → id
B → id
C → id
Which of the following is true?
The output waveforms of a counter circuit shown below:
The counter is
For k number of users, how many keys are needed using private key cryptography and public key cryptography schemes respectively?
A binary operation Ηon a set of integers is defined as x⊙y=x^{2}+y^{2}+2xy. Which one of the following statements is true aboutΗ?
A token bucket scheme is used for traffic shaping. A new token is put into the bucket every 10 μsec. Assume each token picks one packet which contains 2 bytes of data. It is observed that the initial capacity of the bucket is 10 Mbits. The computer can transmit at the full speed of 8 Mbps for ________ (in seconds upto 2 decimal places)
The incorrect match (when n > 1) is
An Internet Service Provider (ISP) has a block 219.50.0.0/16. There are 3 groups, Group1 has 128 customers and each requires 64 IP addresses. Group2 has 64 customers and each requires 256 IP addresses. Group3 has X customers and each requires Y IP addresses. After successfully completing customer requests only 38K IP address left with (ISP)What can be the possible value of X and Y respectively.
Let R be a relation on the set A = {1, 2, 3}, such that R = {(1,1), (2,2), (3,3), (1,2)}. Now consider the following relations.
I. {(1,1), (2,2), (3,3)}
II. {(1,1), (2,2)}
III. {(1,1), (2,2), (3,3), (1,2)}
Which of the above correctly represent(s) the smallest reflexive closure of R?
The sorting algorithm which requires least number of swaps in the worst case is
We are given an array A in which every element is either 0 or 1. The time complexity of the most efficient algorithm which sorts A in descending order is equal to
A 4way set associative cache has lines of 32 byte and a total cache size of 16 KB. Which of the following main memory blocks is mapped onto the set ‘13’ of the cache memory when 16 MB of main memory is used?
Consider the following relations, SQL query and given instances of relations: (where keys are underlined)
Student (snum, sname)
Enroll (snum, cname)
SELECT S.name FROM Student S WHERE
S.snum NOT IN (SELECT E.snum FROM Enroll E)
Number of tuples returned by the SQL query is ________.
Consider two languages, L_{1}and L_{2}:
L1_{=} {a^{n} n > = 0} and L_{2} = {b^{n}  n > = 0}
Which of the following correctly represents L_{1}⋅ L_{2}, where ‘⋅’ is the concatenation operation?
Number of binary trees formed with 5 nodes are
The Boolean function f implemented in the figure using two input multiplexers is
The number of colours required to properly colour the vertices of every planar graph is
Consider the following statements about simple connected undirected graph having more than 2 vertices:
1) At least two vertices have the same degree
2) At least three vertices have the same degree
Which one of the above statements hold true?
Given a combinational circuit below:
(2 X 1 multiplexer are being used)
What will be the sum minterms at output f?
A bolt is manufactured by 3 machines A, B and C. Machine A turns out twice as many items as B, and machines B and C produce an equal number of items. 2% of bolts produced by A and B are defective and 4% of bolts produced by C are defective. All bolts are put into 1 stockpile and 1 is chosen from this pile. The probability that it is defective is ____.
Which of the following operations is closed for the recursively enumerable languages?
From the following instance of relational schema R (A, B, C), We can conclude that:
Consider the following three address code tables
Which of the following expression represents the above three address code (quadruple notation)
Match the following groups.
ListI
A). Allocation
B). Relocation
C). Loading
D). Linking
ListII
I. Resolve the symbol references.
II. Alters the address of instructions and data.
III. Makes the program ready to execute by keeping the machine code in main memory.
IV. Assigns the required memory space for the program.
Given a relation is in 3NF, Which of the following can be inferred from this?
For the given instructions, all type of data dependencies(RAW, WAW, WAR) are present.
STORE R1, 0[R2]
LOAD R5, 24[R8]
STORE R3, 8[R9]
Then which of the following is true?
An AVL tree is constructed by inserting the following sequence of elements into empty AVL tree. After building an AVL tree, if an element ‘4’ is deleted from it, find how many levels are present in the AVL tree.
7, 4, 9, 5, 4.5, 6, 5.5, 5.2
A state diagram of a logic which exhibits a delay in the output is shown in the figure, where X is the do not care condition
The logic gate represented by the state diagram is
There are five buildings A, B, C, D, E in a row. You are given the following statements:
E is to the east of C and west of A A is to the west of B
B is to the west of D
Which building is in the middle?
Four channels are multiplexed using TDM. If each channel sends 100 bytes/second and we multiplex 1 byte per channel, then the bit rate for the link is ……………bps
If it takes 50ns to search associative registers and also about 100ns to get access to main memory then find out the % of slowdown in memory access time? (Given hit ratio 90%).
#include
void main(){
int k,s=0;
int arr[]={5,9,2,6,0,1,8};
char str[]={"Gradeup"};
for(int k=0;k<7;k++)
{
if(((int)str[k]%2)==0)
printf("%c%d",(int)str[k],arr[k]);
}
}
What will be the output of the above code?
Consider the C program below.
#include int *A, stkTop;
int stkFunc(int opcode, int val)
{
static int size=0, stkTop=0;
switch (opcode) {
case 1: size = val; break;
case 0: if (stkTop < size) A[stkTop++] = val; break; default: if (stkTop) return A[stkTop];
}
return 1;
}
int main()
{
int B[20]; A = B; stkTop = 1;
stkFunc (1, 10);
stkFunc ( 0, 5);
stkFunc ( 0, 10);
printf ("%d\n", stkFunc(1, 0) + stkFunc(1,0));
}
The value printed by the above program is ___________.
Consider the following set of relation schemas
STUDENTS (ROLLNO, NAME, DOB, AGE)
ENROLL (ROLLNO, COURSENO)
COURSES (COURSENO, COURSENAME, INSTRUCTOR)
GRADES (ROLLNO, COURSENO, GRADE)
Consider the following FD’s and tell the normal form in which the relations exist.
FD1: DOB →AGE
FD2: NAME →ROLLNO
FD3: ROLLNO →NAME
FD4: COURSENO →COURSENAME
FD5: COURSENO →INSTRUCTOR
FD6: (ROLLNO, COURSENO) →GRADE
FD7: ROLLNO →COURSENO
FD8: COURSENO →ROLLNO
AB + tree index is to be built on the name attribute of the relation ‘student’. Assume that all the students' names are of length 8 bytes, disk blocks are of size 512 bytes and index pointers are of size 14 bytes. Given this scenario that would be the best choice of the degree (no. Of pointers per node) of the b+ tree?
Consider the relation
Students(Rollno, Name, Marks)
Where rollno is the primary key.
Now we would like to rank the students according to the decreasing marks. The student with the highest marks gets rank 1. Ties are not broke but ranks are skipped.
Now consider 2 queries.
Query1: SELECT A .Name, count (B .Name)
From Students A, Students B
Where A.Marks <= B.Marks group by A .Name
Query2: SELECT A .Name, 1+count (B .Name)
From Students A, Students B
Where A.Marks < B .Marks group by A .Name
Consider the following set of relation schemas
STUDENTS (ROLLNO, NAME, DOB, AGE)
ENROLL (ROLLNO, COURSENO)
COURSES (COURSENO, COURSENAME, INSTRUCTOR)
GRADES (ROLLNO, COURSENO, GRADE)
Consider the following SQL Query: 
Select distinct Name, Rollno
From Students, Courses, Grades
Where Students.Rollno = Grades.Rollno) and (Courses.Instructor = ‘Mohan’) and (Courses.Courseno = Grades.Courseno) and Grades.Grade = ‘A’
Which of the following sets is computed by the above query?
Which of the following is correct output for the program code given below?
main( )
{
void pr( );
pr ( );
pr ( );
pr ( );
void pr ( )
{
static int i = 1;
printf (“%c”, (65+ i ++));
}
}
Which switching technique is used in the telephone network?
A hash table of length 10 is taken for insertion of the keys with hash function h(key)= key mod 10. If Collision occurs, it is resolved with quadratic probing. The following sequence of keys are inserted:
46, 36, 34, 24, 52, 57, 56
Which of the following cannot be inserted to the table due to quadratic probing?
Match the following:
Which option is correct :
A wireless network interface controller can work in
Find the value of common digit (in decimal system) in 15's and 16's complement of (2E0)_{H}
A BTree used as an index for a large database table has six levels including the root node. If a new key is inserted in this index, then the minimum number of nodes that could be newly created in the process are
The memory access time is 1 nanosecond for a read operation with a hit in cache, 5 nanoseconds for a read operation with a miss in cache, 2 nanoseconds for a write operation with a hit in cache and 10 nanoseconds for a write operation with a miss in cache. Execution of a sequence of instructions involves 100 instruction fetch operations, 60 memory operand read operations and 40 memory operand write operations. The cache hitratio is 0.The average memory access time (in nanoseconds) in executing the sequence of instructions is __________.
The order of an internal node in a B+ tree index is the maximum number of children it can have. Suppose that a child pointer can take 6 Bytes, the search field value takes 14 Bytes and the block size is 512 Bytes. What is the order of the internal node?
Let us say you positive integers a and b are taken from the user and then they are fed to the following function:
void function(int a, int b){
while( a != b){
if( a > b )
a = a  b;
else
b = b  a;
}
printf(“%d”, b);
}
What does the above function compute?
Consider the values of A = 2.0 × 1030, B = 2.0 × 1030, C = 1.0, and the sequence
X: = A + B Y:= A + c
X: = X + C Y:= Y + B
Executed on a computer where floating point numbers are represented with 32 bits. The values for X and Y will be
Identify the minimal productofsums function described by the Kmap given in the figure. Where ϕ is don’t care
Let A= 1100 1010 and B= 0000 0100 be two 8bit 2's complement numbers. Their product in 2's complement is
How many of the following statements are true?
1) Function must be neutral function is a necessary as well as sufficient condition for a function to be a dual function
2) For a n variable function, there are 2n1 mutually exclusive pairs.
3) f(x,y,z) = Σm( 1 , 2 , 4 , 6 ) is a dual function.
4) Dual functions are a subset of Neutral functions.
Consider the following data:
Suppose roundrobin scheduling is applied to the given data with time quantum=2 units. It is also given that scheduling of a process or context switch will take 1 unit of time. What are the completion time and turnaround time of process P4?
Which of the following flipflops is used to avoid race around problems?
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Practice Test: Computer Science Engineering (CSE)  3 Test  65 ques 
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55 docs215 tests

Practice Test: Computer Science Engineering (CSE)  3 Test  65 ques 
Practice Test: Computer Science Engineering (CSE)  4 Test  65 ques 
Practice Test: Computer Science Engineering (CSE)  5 Test  65 ques 
Practice Test: Computer Science Engineering (CSE)  6 Test  65 ques 
Practice Test: Computer Science Engineering (CSE)  7 Test  65 ques 