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What is a Computer?
Module 1 — Introduction to Computers · What is a Computer?
What is a Computer?
General · Learn → Example → Practice → Check
What you will learn
Input → process → output
Instructions are called programs
Storage keeps work after shutdown
What will you learn?
You need a clear picture of what a computer actually does before you name parts.
The core idea
A computer is a machine that takes input, processes it with stored instructions, and produces output. It can store results for later. A laptop, a phone and a shop billing PC all follow this same input-process-output idea.
Key points
Input → process → output
Instructions are called programs
Storage keeps work after shutdown
Simple path
Input → Process → Store → Output
1. Input
2. Process
3. Store
4. Output
Example
You type two numbers, the program adds them, the screen shows the sum. The typed numbers are input; addition is process; the sum is output.
Try this
Name the four jobs of a computer in order.
Practice
Name the four jobs of a computer in order.
Question 1
Which sequence describes a computer?
Summary
Every computer follows input, process and output. Storage is optional for a single calculation but usual for files.
Summary
Every computer follows input, process and output. Storage is optional for a single calculation but usual for files.
A text-first Sharda course: what a computer is, hardware, software, operating system fundamentals, internet and digital safety. Each lesson has an objective, explanation, example, practice and a quick quiz. Completing the course does not claim professional expertise.
पाठ-पहले शारदा कोर्स: कंप्यूटर क्या है, हार्डवेयर, सॉफ़्टवेयर, OS, इंटरनेट और सुरक्षा। हर पाठ में उद्देश्य, व्याख्या, उदाहरण, अभ्यास और प्रश्न। पूरा करना पेशेवर विशेषज्ञता नहीं कहता।
37
Lessons
In lessons
Quizzes
444 min
Study time
Yes
Certificate
Curriculum
Modules and lessons
Module 1 — Introduction to Computers/ मॉड्यूल 1 — कंप्यूटर का परिचय
