Computer Hardware and Software Concepts

中央处理器 (CPU) 是什么？

• Main component that executes calculations and instructions.

• A type of memory used for storage.

• A peripheral device for input and output.

• A software application for managing files.

什么是随机存取存储器 (RAM)?

• A type of permanent storage for data.

• Volatile memory used for temporary data storage during program execution.

• A type of external storage device.

• A memory type that retains data even when powered off.

只读存储器（ROM）是什么？

• A type of volatile memory used for temporary data storage.

• Non-volatile memory used to store basic programs, such as BIOS.

• A type of memory that can be written to and erased multiple times.

• Memory used exclusively for graphics processing.

什么是实用软件？

• Software that helps analyze, configure, optimize, or maintain computers (e.g., antivirus software, backup tools).

• Software that is primarily used for entertainment purposes (e.g., video games, streaming services).

• Software that is designed for creating and editing documents (e.g., word processors, spreadsheets).

• Software that is used for web browsing and online communication (e.g., web browsers, email clients).

硬盘驱动器 (HDD) 是什么？

• A magnetic storage device used for long-term data storage.

• A type of volatile memory used for temporary data storage.

• A solid-state device that uses flash memory for storage.

• An optical storage medium used for reading and writing data.

固态硬盘（SSD）是什么？

• A flash storage device with faster data access speeds.

• A type of magnetic storage device.

• An optical storage medium for data.

• A traditional hard disk drive (HDD).

光盘是什么？

• 光盘是一种用于存储数据的磁性介质。

• 光盘是一种用于读取和写入数据的光学介质，例如CD和DVD。

• 光盘是一种用于播放视频的设备。

• 光盘是一种用于打印文档的工具。

缓存大小是什么？

• A small-sized type of volatile computer memory that provides high-speed data access to the processor.

• A large-sized type of non-volatile storage used for long-term data retention.

• A type of memory that is slower than RAM but faster than hard drives.

• A type of memory used exclusively for graphics processing.

CPU性能中的时钟速度是什么？

• The speed at which the processor executes instructions, measured in GHz.

• The amount of memory the CPU can access at once.

• The number of cores in the CPU.

• The temperature at which the CPU operates optimally.

什么是闪存？

• Portable storage devices, such as USB drives.

• A type of volatile memory used in computers.

• A brand of solid-state drives.

• An external hard drive with a large capacity.