CS 110 Practice Quiz

1. Which of the following is an example of an output device?

Touchscreen

Mouse

Keyboard

Printer

2. What is the purpose of an uninterruptible power supply (UPS)?

To store extra data for the processor

To increase the speed of data transfer

To regulate the cooling system of the CPU

To protect the computer from electrical surges and provide backup power

3. What is the primary purpose of an external hard drive?

To improve processing speed

To increase RAM capacity

To replace the CPU

To provide additional portable storage

4. What is an important security measure for cloud storage?

Using only one cloud provider

Enabling two-factor authentication

Storing all sensitive data without encryption

Using simple passwords

5. What is the binary equivalent of the hexadecimal number B?

1110

1100

1001

1011

6. What is the primary function of a processor in a computer system?

Manage network connections

Control power supply

Execute instructions

Store data

7. Which unit of the processor is responsible for executing arithmetic and logical operations?

Input Unit

Memory Unit

Arithmetic Logic Unit (ALU)

Control Unit

8. Which of the following protocols is used for secure web communication?

HTTPS

HTTP

POP3

FTP

9. Which protocol is used for transferring files between computers on a network?

IMAP

SMTP

FTP

DHCP

10. What is the purpose of a MAC address?

Uniquely identifies a device at the data link layer

Assigns an IP address to a computer

Stores website domain names

Identifies a device at the network layer

⚠️ Work in progress! Things might break, act weird, or develop a personality. No worries—just blame the code, not yourself! 😆 Either way, happy practicing! 🚀