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Recent questions tagged isro-2024

2 votes

2 answers

1

ISRO 2024
Which of the following SQL query deletes all tuples in the teacher relation for those teachers associated with a department located in the building with name CSE and which is in department relation: DELETE FROM teacher WHERE dept_name IN CSE'; DELETE FROM ... WHERE dept_name IN ( SELECT dept_name FROM department WHERE building = CSE); DELETE FROM teacher WHERE dept_name IN CSE';

Ramayya asked in Databases Jan 7

442 views

1 vote

2 answers

2

ISRO 2024
Asymmetric encryption is not suitable for Confidentiality Authentication Key Exchange Prevention of Denail of Service

Ramayya asked in Others Jan 7

277 views

0 votes

1 answer

3

ISRO 2024
McCabe’s cyclomatic complexity number of a program control graph ‘$G$’ with $e$edges, $n$ nodes and $p$ disconnected paths is defined as $n – e + 2p$ $e – n + 2 + p$ $e – n +2p$ $n – e + p$

Ramayya asked in IS&Software Engineering Jan 7

256 views

0 votes

1 answer

4

ISRO 2024
Which of the following definitions is true A digital multiplexer takes one input from many inputs and outputs the selected one Four elect lines are required for 1-16 multiplexer Eight OR gates are required to implement an octal to binary encoder (i) and (ii) (ii) and (iii) (i) alone none of the above

Ramayya asked in Digital Logic Jan 7

224 views

3 votes

2 answers

5

ISRO 2024
Which of the following heap memory allocation strategies is likely to exploit spatial locality of memory accesses in a program, the most? Best Fit First Fit Next Fit Last Fit

Ramayya asked in Operating System Jan 7

665 views

0 votes

1 answer

6

ISRO 2024
Consider the context free grammar $G$ for below for the arithmetic expressions: $E \rightarrow E + E | E \times E | \text{id}$ Which of the follosing statements is TRUE: The string $\text{id} + \text{id} \times \text{id}$ has no parse tree according to $G$ The ... tree according to $G$ The string $\text{id} + \text{id} \times \text{id}$ has more than two parse tree according to $G$

Ramayya asked in Theory of Computation Jan 7

238 views

1 vote

2 answers

7

ISRO 2024
Process Scheduler Type Activity (i) Long Term Scheduler (P) executes much faster to reduce wastage of CPU time (ii) Medium term scheduler (Q) controls degree of multi programming (iii) Short Term scheduler (R) is associated with swapping with respect to Process Schedulers of an operating system mentioned above in the table ... P), (ii) - (R), (iii) - (Q) (i) - (R), (ii) - (Q), (iii) - (P)

Ramayya asked in Operating System Jan 7

278 views

0 votes

1 answer

8

ISRO 2024
Maximum number of Simple graphs possible with $n$ vertices $2^{n(n-1)/2}$ $2^{(n-1)/2}$ $2^{n(n+1)/2}$ $2^{n(n+1)}$

Ramayya asked in Graph Theory Jan 7

180 views

0 votes

0 answers

9

ISRO 2024
Consider the context-free grammer $G$ below. There $S$ is the starting non terminal symbol, while $a$ and $b$ are terminal symbols. $S \rightarrow aaSb | T$ $T \rightarrow Tb | a$ Which of the following statments is true about the language $L(G)$ generated by $G$? ... $aaaabb$ does not $aaaabb$ belongs to $L(G)$ but $aabbaabb$ does not $aaabb$ belongs to $L(G)$ but $aaaaabbb$ does not

Ramayya asked in Theory of Computation Jan 7

177 views

0 votes

1 answer

10

ISRO 2024
A truth table will need how many rows if there are $n$ variables. $2 * n$ $n$ $2^n$ None of the above

Ramayya asked in Digital Logic Jan 7

193 views

0 votes

1 answer

11

ISRO 2024
The complexity of matrix multiplication of two matrices A and B whose orders are $m \times n$ and $n \times p$ respectively is $\text{O(m} \times p)$ $\text{O(m} \times n^2 \times p)$ $\text{O(m} \times n \times p^2)$ $\text{O(m} \times n \times p)$

Ramayya asked in Algorithms Jan 7

229 views

1 vote

3 answers

12

ISRO 2024
In a priority queue, insertion and deletion can be done at Front back Middle Any position

Ramayya asked in DS Jan 7

429 views

1 vote

2 answers

13

ISRO 2024
Pointer p to an array of integers (of size 2 Bytes) is initialized to 200. What is the value of p+3? 206 203 212 204

Ramayya asked in Programming in C Jan 7

354 views

0 votes

1 answer

14

ISRO 2024
Which of the following is the cause of Ping of death issue related to ICMP packets? Buffer overflow Divide by ZERO Missing input sanitization Privilege escalation

Ramayya asked in Computer Networks Jan 7

197 views

0 votes

1 answer

15

ISRO 2024
State whether true or false: Virtualization facilitates multiple OS simultaneously on the same hardware In dual boot, multiple OS can run simultaneously (i) True (ii) False (i) False (ii) True (i) True (ii) True (i) False (ii) False

Ramayya asked in Operating System Jan 7

225 views

0 votes

1 answer

16

ISRO 2024
Amongst the ACID properties of a transaction ‘Durability’ property requires that the changes made to the database by a successful transaction persist Except in case of an operating system crash Except in case of a disk crash Except in case of a power failure Always, even if there is a failure of any kind

Ramayya asked in Databases Jan 7

174 views

0 votes

2 answers

17

ISRO 2024
The MCDC software testing technique stands for Multiple Conditions Decision Coverage Multiple coverage Decision conditions Modified Condition Decision Coverage None of the above

Ramayya asked in IS&Software Engineering Jan 7

199 views

1 vote

1 answer

18

ISRO 2024
CAPTCHA is used to provide protection from Zero day attack Buffer Overflow Automated scripted attack Man in the middle attack

Ramayya asked in Others Jan 7

289 views

2 votes

1 answer

19

ISRO 2024
Which of the following methods is used to detect double errors? Odd parity Even parity Checksum (CRC) Checksum (XOR)

Ramayya asked in Computer Networks Jan 7

264 views

0 votes

1 answer

20

ISRO 2024
An instruction pipeline can be implemented by means of LIFO buffer FIFO buffer Stack None of the above

Ramayya asked in CO and Architecture Jan 7

266 views

0 votes

0 answers

21

ISRO 2024
Which of the following clustering technique is used by K-Means algorithm: Hierarchical Technique Partitional technique Divisive Agglomerative

Ramayya asked in Others Jan 7

191 views

0 votes

1 answer

22

ISRO 2024
Worst case time complexity of heap sort for n elements O(nlogn) O(logn) O^2 O(n)

Ramayya asked in Algorithms Jan 7

184 views

0 votes

0 answers

23

ISRO 2024
Match the following and select the correct option: (i) Encryption (P) Manipulation of identification of a host (through NIC identifier) (ii) MAC cloning (Q) Determining version and name of OS and OS utilities (iii) ARP spoofing (R) Protecting the confidentiality (i) Finger printing (S) Poisioning the IP to MAC address ... - (P), (i) - (Q) (i) - (R), (iI) - (Q), (i) - (S), (i) - (P)

Ramayya asked in Computer Networks Jan 7

201 views

0 votes

1 answer

24

ISRO 2024
The time delay obtained through an 8-bit serial register with 400 MHz clock is: 20 ns 2.5 µs 20 µs 2.5 µs

Ramayya asked in Digital Logic Jan 7

247 views

0 votes

1 answer

25

ISRO 2024
Any attempt by a process to access memory allocated to OS or process of other results into Trap to OS Context Switching Page fault Invocation to Scheduler Despatch

Ramayya asked in Operating System Jan 7

225 views

0 votes

2 answers

26

ISRO 2024
In a producer-consumer scenario, also known as Bounded-Buffer problem, what would be the most appropriate synchronization primitive to ensure that the consumer waits when the buffer is empty? Spinlock Mutex lock Semaphore Monitors

Ramayya asked in Operating System Jan 7

404 views

0 votes

2 answers

27

ISRO 2024
Entity Relationship model shows the Static view Functional view Dynamic view All of the above

Ramayya asked in Databases Jan 7

306 views

2 votes

1 answer

28

ISRO 2024
Which f the following statements is FALSE? The intersection of a regular language and a context-free language is context=free The intersection of a regular language and context-free language is regular The union of two context-free languages is context-free The union of two regular languages is regular

Ramayya asked in Theory of Computation Jan 7

168 views

0 votes

2 answers

29

ISRO 2024
What is the maximum number of comparisons needed to sort 6 items using radix sort, if each number is a 3-digit decimal number? 120 180 210 360

Ramayya asked in DS Jan 7

443 views

0 votes

1 answer

30

ISRO 2024
If there are five faces and nine vertices in an undirected planar graph, then number of edges is 14 6 12 None of the above

Ramayya asked in Graph Theory Jan 7

264 views

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Recent questions tagged isro-2024