PSC HSST Computer Science – SR for ST Only Solved 2014 – Part 2
26
The first modern computer was called ..................
Answer
C. ENIAC
27
In which of the language paradigms is the addition of two values expressed as (+ 10 20)?
Answer
Question Cancelled
28. What is the purpose of this bit of code
void init()
{
...
}
(A) A place to declare variables
(B) A required method in an applet
(C) A class that initializes the applet
(D) Interacting with the user
Answer: B
29
In Relational Algebra the query that finds customers who have a balance of over 800 is
Answer
A. Πcustomer_name(σ balance >800(Deposit))
30
Secret-key encryption is also known as
Answer
C. Symmetric encryption
31
DNS is a
Answer
A. Distributed hierarchical naming system
32
E-commerce is not suitable for
Answer
A. Online job searching
33
Several factors exist that affect the efficiency of lookup operations in a hash table. Which among the following is NOT one of those factors ?
Answer
A. Size of elements stored in the hash table.
34
A DBMS query language is designed to
Answer
D. all of the above
35
Let r be a resource. There are 3 user processes each requiring 2 units of R. Then the minimum number of units of R such that no deadlocks will occur is
Answer
A. 4
36
Assume a cache memory with associative mapping. If the main memory is of 8K bytes and the cache memory is of 2K words, then each word of cache memory is
Answer
C. 16 bits
37
Which of the following is true?
Answer
C. Both (A) and (B)
38
Given a linked list with n elements. Then the time taken to insert an element after an element pointed to by some pointer is
Answer
B. O(1)
39
Let h be a hashing function and is used to hash n keys into a table of size m (given n<=m). Then the expected number of collisions involving a particular key x is
Answer
A. less than 1
40
If L is a lattice, then for every a and b in L which among the following is correct?
Answer
B. a ν (b ν c) = (a ν b) ν c
41
In the spiral model 'risk analysis' is performed
Answer
Question Cancelled
42
The technique of improving the priority of process waiting in queue for CPU allocation is called .......................
Answer
B. Ageing
43
PSW is saved in stack when there is a
Answer
A. interrupt recognized
44
The default subnet mask for a Class C network is
Answer
D. 255.255.255.0
45
Which one of the following is NOT an advantage of Distributed System?
Answer
D. None of the above
46
Cache memory is based
Answer
A. on the property of locality of reference
47
The language component of DBMS which can be embedded in a program is
Answer
B. the data manipulation language (DML)
48
A computer system that permits multiple users to run programs at same time is ..................
Answer
D. Multi tasking system
49. What is the ouput of the following code segment?
void test()
{
char c;
cin.get(c);
if (c!='n'){
test();
cout.put(c);
}}
(A) It will print an empty line
(B) The string entered is printed as it is
(C) It will go into an infinite loop
(D) The string entered is printed in reverse order
Answer: D
50
Which of the following statement is the negation of the statement, "10 is even and -5 is negative"
Answer
D. 10 is odd or -5 is not negative
PSC HSST Computer Science – SR for ST Only Solved 2014 – Part 1
PSC HSST Computer Science – SR for ST Only Solved 2014 – Part 2
PSC HSST Computer Science – SR for ST Only Solved 2014 – Part 3
PSC HSST Computer Science – SR for ST Only Solved 2014 – Part 4
Discussion
Ask a doubt or share a tip.
No comments yet — start the discussion.