Class 4 Computer Science (DAV)
The DAV Class 4 Computer book, made easy: how a computer takes in information, thinks, and shows you the answer. Learn the parts of a computer and what each one does, with pictures, quizzes and activities.
Computer: A Smart Machine
Chapter 1
Chapter 1 · Start here
Computer: A Smart Machine
A computer takes in information, works on it, and shows you the answer. Meet its parts: the keyboard and mouse, the CPU, memory, hardware and software.
Sprint 1
Input, Process, Output
How you and a computer both take in information, think about it, and give an answer.
Sprint 2
Input Devices
The keyboard, the mouse and the scanner: how we tell a computer what to do.
Sprint 3
The CPU And Output
The CPU is the computer's brain. See how it works, and how the computer shows you the answer.
Sprint 4
Computer Memory
Where a computer keeps information for a short time and for a long time, and how we measure it.
Sprint 5
Hardware And Software
Hardware is the part you can touch. Software is the programs inside.
Sprint 6
Review: The Smart Machine
Check everything you learned in this chapter.