Master Computer Science & IT concepts: DBMS & SQL, Data Structures, Computer Networks, Operating Systems, Software Engineering, OOPs, and Network Security with detailed technical explanations.
Select your option below. Marking scheme: +1.00 positive, -0.25 negative.
Which of the following statements about Third Normal Form (3NF) is true?
Which of the following is an example of a bit-oriented protocol?
In IPv4 Class C, what is the range of the first octet?
Which of the following PDU units corresponds to the Transport and Network Layers in the OSI model?
What will be the output of the following C program?
#include <stdio.h>
int main() {
int a = 5, b = 10, c = 15;
int result = (a > b) ? ((b > c) ? b : c) : ((a > c) ? a : c);
printf("%d", result);
return 0;
}What is BitLocker?
Which CPU register stores the address of the next instruction before it is fetched from memory?
In C Programming, the ternary operator is also called as:
Which of the following is a form of a snooping attack that involves unauthorized monitoring of network communications to capture sensitive information?
Which of the following statements about offsite recovery strategies is correct?
Which of the following is a general-purpose processing register?
The reserved words in C programming are called?
Which of the following testing types focuses on verifying individual components or modules of a software application?
Consider the following code snippet:
#include <stdio.h>
int main() {
char arr[] = "FGHJKJGF";
char *p = arr;
printf("%c\n", *(p + 3));
return 0;
}What is the output of the above program?
Consider the following C program:
#include <stdio.h>
void exampleFunction(int x, int y) {
printf("x = %d, y = %d\n", x, y);
}
int main() {
int a = 10;
int b;
exampleFunction(a, b);
return 0;
}What is the output of the above program?
Consider the following processes with their respective burst times and arrival times:
| Process | Arrival Time (AT) | Burst Time (BT) |
|---|---|---|
| $P_1$ | $0$ | $5$ |
| $P_2$ | $2$ | $3$ |
| $P_3$ | $4$ | $1$ |
| $P_4$ | $6$ | $8$ |
| $P_5$ | $8$ | $6$ |
Using the First-Come, First-Served (FCFS) scheduling algorithm, calculate the average waiting time and average turnaround time for the processes.
Which communication mode allows data transmission in both directions simultaneously?
Consider the following disk request sequence for I/O operations in a disk queue: $95, 180, 34, 119, 11, 123, 62, 64$.
The disk head is initially positioned at cylinder $50$. Calculate the total head movement to satisfy all the requests using FCFS disk scheduling.
Which of the following is a NoSQL database?
What is the height of an AVL tree with $12$ nodes, assuming the height/level of a single root node is $0$?
What is the purpose of the -n option in the Linux traceroute command?
What type of VLAN / port configuration is used to carry traffic from multiple VLANs across a single link?
Consider a network where a packet is sent from Host A to Host B. The packet has an initial hop limit of $10$. The packet passes through $3$ routers before reaching Host B. Each router decrements the hop limit by $1$. What is the remaining hop limit of the packet when it reaches Host B?
What are the partitioning styles available in Windows operating systems?
Which transport layer protocol is used by SMTP?