Year 9 SQA Computing: Quick Memory Guide to Key Terms | Year 9 SQA 计算机：核心术语速记指南

📚 Year 9 SQA Computing: Quick Memory Guide to Key Terms | Year 9 SQA 计算机：核心术语速记指南

This guide presents essential computing vocabulary for Year 9 students following the SQA curriculum. Mastering these terms will boost your confidence in exams and practical tasks.

本指南为遵循 SQA 课程的 Year 9 学生整理了必备的计算机术语。掌握这些术语将提升你在考试和实践任务中的信心。

1. Hardware Basics | 硬件基础

Central Processing Unit (CPU) – The ‘brain’ of the computer that carries out instructions and processes data.

中央处理器 (CPU) – 计算机的“大脑”，负责执行指令和处理数据。

Random Access Memory (RAM) – Volatile memory that temporarily stores data and programs currently in use.

随机存取存储器 (RAM) – 易失性存储器，临时存放当前使用的数据和程序。

Read-Only Memory (ROM) – Non-volatile memory that stores instructions needed to boot the computer, such as the BIOS.

只读存储器 (ROM) – 非易失性存储器，存放启动计算机所需的指令，例如 BIOS。

Storage (HDD & SSD) – Devices used to save files permanently; HDD uses magnetic platters, while SSD uses flash memory for faster access.

存储器 (HDD 和 SSD) – 用于永久保存文件的设备；HDD 使用磁性碟片，SSD 使用闪存以更快地进行访问。

Motherboard – The main circuit board connecting all components of a computer.

主板 – 连接计算机所有组件的主电路板。

Input Devices – Hardware that sends data into the computer (e.g., keyboard, mouse, scanner).

输入设备 – 将数据输入计算机的硬件（例如键盘、鼠标、扫描仪）。

Output Devices – Hardware that presents data from the computer to the user (e.g., monitor, printer, speakers).

Published by TutorHao | Year 9 Computer Science Revision Series | aleveler.com

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