Computing
6个单元 · 25个章节
免费的Computing学习笔记，专为Key Stage 3 (KS3)学生准备。下列每个章节都涵盖一个重点主题，附有例题与练习提示，可在 thinka 应用中延伸练习。
Computational thinking and algorithms
Computational abstractions: modelling the state and behaviour of real-world problems and physical systems
Sorting algorithms
Searching algorithms
Comparing the utility of alternative algorithms for the same problem
Programming
Programming in a visual (block-based) language to solve computational problems
Programming in a textual language: sequence, selection and iteration
Data structures: lists, tables and arrays
Modular programs: procedures and functions
Data representation and Boolean logic
Boolean logic: AND, OR and NOT
Uses of Boolean logic in circuits and programming
Binary numbers: conversion between binary and decimal
Binary addition
Representing text digitally
Representing pictures digitally
Representing sound digitally
Computer systems
Hardware components of a computer system
Software components of a computer system
How instructions are stored and executed within a computer system
How computer systems communicate with one another and with other systems
Information technology and creative projects
Selecting, using and combining multiple applications across a range of devices
Collecting and analysing data to meet the needs of known users
Creating, reusing, revising and repurposing digital artefacts: trustworthiness, design and usability
Online safety and digital literacy
Using technology safely, respectfully, responsibly and securely
Protecting online identity and privacy
Recognising inappropriate content, contact and conduct, and reporting concerns
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