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WorksheetsComputer Science Hardware Quiz 1
Total questions: 15
Worksheet time: 8mins
What does the CPU stand for?
Central Processing Unit
Computer Processing Unit
Central Program Unit
Computer Program Unit
What is the function of the Arithmetic Logic Unit (ALU)?
Stores data temporarily
Manages memory addresses
Carries out arithmetic and logical operations
Controls data flow
What does the program counter (PC) do?
Stores the current instruction
Stores the address of the next instruction
Stores data being read from memory
Stores the address of the memory location
Which type of memory is volatile?
Read Only Memory (ROM)
只读存储器
Backing Store
备份存储
Random Access Memory (RAM)
随机存取存储器
Flash memory 闪存
What is the purpose of the control unit in a CPU?
To execute instructions
To manage memory
To ensure synchronization of data flow
To store data temporarily
What does overclocking refer to?
Increasing the RAM size
Changing the clock speed to a higher value
Reducing the CPU temperature
Upgrading the operating system
What is a dual core CPU?
A CPU with two cores
A CPU with eight cores
A CPU with one core
A CPU with four cores
What does the term 'cache' refer to?
A type of ROM
Permanent storage
A type of RAM
Temporary memory for frequently used data
What is the function of a router?
To connect devices to a network
To store data permanently
To process instructions
To manage memory addresses
What is a MAC address?
A protocol for data transfer
A type of storage device
A unique identifier for a device on a network
A temporary IP address
What does SSD stand for?
Solid Storage Disk
Solid State Drive
Super Speed Drive
Static Storage Device
What is the purpose of a digital to analogue converter (DAC)?
To manage network connections
To store data permanently
To convert analogue data into digital form
To convert digital data into electric currents
What is a virtual keyboard?
An onscreen keyboard emulating a physical keyboard
A keyboard that uses voice recognition
A keyboard that connects via Bluetooth
A physical keyboard
What does dynamic RAM (DRAM) require?
No need for refreshing
No power to retain data
Permanent storage
Constant refreshing
What is cloud storage?
Storage on a USB drive
Storage on a local hard drive
Storage on a DVD
Storage on offsite servers
异地服务器上的存储
