25.What is the output of the following program ? include <iostream> using namespace std; int addition (int a, int b) { return a+b; } double addition (double a, double b) { return a+b; } int main () { cout<< addition (35,20) << “;”; cout<< addition (34.1,12.7); return 0; }
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24. In file management, FAT means ______________.
(A) Feature Access Table (B) File Access Table &nbs…
Topic: JECA MCA 2023
23. What do you mean by fork()? Choose the correct option.
(A) Starvation (B) Creation of new task &…
Topic: JECA MCA 2023
22. A counting semaphore is initialized to 15. Then, 4 wait operations and 2 signal operations are completed on this se…
Topic: JECA MCA 2023
21. Thrashing means a condition having ______________.
(A) minimum paging (B) optimized paging  …
Topic: JECA MCA 2023
20. Demand paging is considered as ______________.
(A) fetching a page when not needed (B) switching betwe…
Topic: JECA MCA 2023
19. ___________ is a technique to move a process from main memory to secondary memory.
(A) Deadlock (B) Sy…
Topic: JECA MCA 2023
18. Page fault means ______________.
(A) required page is available in main memory (B) required page is no…
Topic: JECA MCA 2023
17. Banker’s algorithm for resource allocation deals with ______________.
(A) mutual exclusion (B) mutual …
Topic: JECA MCA 2023
16. Resource allocation graph is used to represent ______________.
(A) deadlock (B) virtual memory &…
Topic: JECA MCA 2023
15. If only one process can be able to access a particular resource at a time, then it is known as ______________.
(A)…
Topic: JECA MCA 2023
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26.What is the output of the following program ? #include <iostream> using namespace std; templ…
Topic: JECA MCA 2023
26.What is the output of the following program ?#include <iostream>using namespace std;int main() { &n…
Topic: JECA MCA 2023
What is the output of the following program ?#include <iostream>using namespace std;struct demo{ int…
Topic: JECA MCA 2023
29.What is the output of the following program ?#include <iostream>using namespace std;int main (){ …
Topic: JECA MCA 2023
30.What is the output of the following program ?#include <iostream>using namespace std;class Demo {public: …
Topic: JECA MCA 2023
31.What is the output of the following program ?#include <iostream>using namespace std;void print();int main(){&n…
Topic: JECA MCA 2023
32.What is the output of the following program ?#include <iostream>using namespace std;int main(){ i…
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33.In shell script, which command is used to create a new directory ?
Topic: JECA MCA 2023
34.In shell script, which command is used to copy a file?
Topic: JECA MCA 2023
35.In shell script, which command is used to delete a file?
Topic: JECA MCA 2023
