Computing Fundamentals: Inside and Out

What is the primary function of the CPU in a computer?

• To store long-term data

• To process instructions and data

• To manage network connections

• To supply power to the computer

Which of the following is NOT a component of the CPU?

• Arithmetic Logic Unit (ALU)

• Control Unit (CU)

• Cache

• Sound Card

How do you represent the decimal number 10 in binary?

• 1010

• 1100

• 1001

• 1110

What is the hexadecimal equivalent of the binary number 1011?

• 9

• B

• 11

• D

Which of the following is a type of secondary storage?

• RAM

• ROM

• SSD

• CPU

What is the main difference between RAM and a hard disk drive (HDD)?

• RAM is slower than HDD

• RAM is used for long-term storage

• RAM is volatile memory

• HDD has no moving parts

Which device is used to connect a computer to a LAN (Local Area Network)?

• Modem

• Router

• Network Interface Card (NIC)

• Repeater

What does WAN stand for?

• Wide Area Network

• Wireless Access Node

• Wired Area Network

• Wide Access Node

Which of the following devices is necessary to connect to the internet via DSL?

• Switch

• Modem

• Firewall

• Hub

What is the purpose of a router in a home network?

• To store files for network users

• To increase the speed of the internet connection

• To direct data packets to their destination

• To convert analog signals to digital signals