Computer Quiz

Choose the input devices.

• mouse, keyboard, headphones

• mouse, printer, headphones

• mouse, keyboard, speakers

• mouse, keyboard, scanner

C was primarily developed as

• System programming language

• General purpose language

• Data processing language

• None of the above

What will be the output of the following code snippet?

#include <stdio.h> int main() { int a[] = {1, 2, 3, 4}; int sum = 0; for(int i = 0; i < 4; i++) { sum += a[i]; } printf("%d", sum); return 0; }

• 1

• 4

• 20

• 10

The device sued to strengthen weak signals

• Transformer

• Repeater

• HUB

• MODEM

Function of Modem is _____________

• to converts analog signal into the analog signal and digital signal to digital signal

• to converts analog signal into the digital signal

• digital signal to analog signal

• to converts analog signal into the digital signal and digital signal to analog signal

select the invalid IP/Logical address from the following

• 192.168.100.10

• 0.0.10.20

• 329.12.203.10

• 192.194.120.23

Which of the following tasks is not done by data link layer?

• Framing

• Error Control

• Flow Control

• Channel Coding

Which of the following is the multiple access protocol for channel access control?

• CSMA/CD

• CSMA/CA

• Both CSMA/CD & CSMA/CA

• HDLC

The ____ translates internet domain and host names to IP address.

• routing information protocol

• domain name system

• network time protocol

• internet relay chat

Segmentation and reassembly is done at __________ layer

• Session

• Presentation

• Transport

• Data Link