Computer Science Revision Quiz

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

• Executing instructions and performing calculations

• Storing and managing data

• Providing network connectivity

• Managing input and output devices

Which component of the CPU is responsible for performing arithmetic and logic operations?

• ALU (Arithmetic Logic Unit)

• CU (Control Unit)

• Cache

• Registers

___ is non-volatile and retains data even when the power is turned off

What is the purpose of virtual memory?

• Enhance graphics rendering capabilities

• To provide additional storage space when the RAM is full

• To connect to the internet

• Increase the physical storage capacity of the hard drive

What distinguishes solid-state storage from traditional hard disk drives (HDDs)?

• Relies on magnetic storage

• Uses rotating platters for data access

• Has no moving mechanical parts

• Provides larger storage capacities

A "NIC" is a hardware component used to allow computers to communicate over a wired or wireless network. What is a NIC?

• Network Integration Connector

• Network Interface Card

• Network Interface Controller

• Network Interconnect Chip

What is the main purpose of the DNS in computer networking?

• Assigning IP addresses to devices

• Translating domain names to IP addresses

• Managing network security protocols

• Providing wireless connectivity to devices

Which of the following is a technology that utilities radio waves to connect devices to the internet?

• Ethernet

• Bluetooth

• Wi-Fi

• Fiber Optic

What is the primary function of a router in a computer network?

• Manage and allocate IP addresses

• Provide wireless access to devices

• Forward data between different networks

• Store and manage network files

What is the primary storage technology used in traditional Hard Disk Drives (HDDs)?

• Flash memory

• Magnetic storage on rotating platters

• Optical storage

• Semiconductor-based storage