26
The IP address 127.0.0.1 is named as:
Answer
A. Loop back address
27
The Virtual Memory is located logically:
Answer
D. in the Hard disk
28
The Banker’s algorithm in resource allocation deals with:
Answer
C. Deadlock avoidance
29
Thrashing occurs in:
Answer
D. poor paging algorithm
Explanation:
A process that is spending more time paging than executing is said to be thrashing. (i.e., page fault occurs frequently). In other words, that the process doesn’t have enough frames to hold all the pages for its execution, so it is swapping pages in and out very frequently to keep executing. As poor paging algorithm is used page fault occurs frequently. So, poor paging algorithms can quickly lead to thrashing.
30
Compilers can identify:
Answer
A. syntax errors
31
What was the first Scientific Computer Programming Language?
Answer
D. FORTRAN
32
Which is the first Object Oriented Language?
Answer
A. ADA
33
Producer consumer problem is example for application of:
Answer
B. For Monitors, Semaphores and Event counters
34
What was the data transmission method in which bi-directional data flow is allowed?
Answer
B. Duplex
35
Yahoo was developed by:
Answer
C. David Filo and Jerry Yang
36
Resolution of Video display unit does not depend on:
Answer
D. Screen size
37
Resolution of Video display unit does not depend on:
Answer
D. Screen size
38
The true statement for parallel transmission is:
Answer
A. simultaneous transmission of all bits
39
Gray code for the decimal number 7 is:
Answer
B. 0100
40
Evaluate the pre-fix expression -*63-41 will result in:
Answer
C. 15
41
Error correction in the data link layer is achieved by:
Answer
C. Hamming codes
Explanation:
Cyclic Redundancy Code is an error detection code only. Hamming Code is an error correcting code used in Data link layer.
42
The system program that set up executable program in RAM, ready for execution is:
Answer
A. Loader
43
File transfer protocol that uses UDP is:
Answer
B. TFTP
44
To check the presence of a computer in the network, use the command:
Answer
A. ping
45
In cryptology the code STUDYING is written as RUTEXJMH, then the code for OTHER is:
Answer
C. NUGFQ
46
The Number of equivalent relations of the set {1,2,3,4} is:
Answer
B. 15
47
Which of the sets are empty?
Answer
A. {x:x=/x}
48
In any undirected graph, the sum of the degrees of all nodes is:
Answer
A. must be even
Explanation:
Option D is true. But it also implies that option A is true. Because twice of any number must be even.
49
An undirected graph is Eulerian if and only if all vertices of G are of the sum of the degrees of all nodes is:
Answer
B. ODD degree
50
An undirected graph G has n vertices and n-1 edges then G is:
Answer
D. Is a Tree
Dinu
Virtual Memory logically in Main Memory & physically in Hard Disk….