Question 1

What is a computer?

Accepted Answer

A computer is an electronic device that processes data according to instructions, performing tasks such as calculations, data storage, and managing various applications.

Question 2

What are the different types of computers?

Accepted Answer

The most common types of computers are desktops, laptops, tablets, and smartphones. Each serves different purposes based on size, portability, and functionality.

Question 3

What are the main components of a computer?

Accepted Answer

The main components of a computer include the Central Processing Unit (CPU), Monitor (screen), Keyboard, Mouse, and Storage (like a hard drive or SSD).

Question 4

What does the CPU do in a computer?

Accepted Answer

The CPU, or Central Processing Unit, is the "brain" of the computer. It processes instructions and manages the operations of all other components.

Question 5

What is an Operating System (OS)?

Accepted Answer

An Operating System is software that manages a computer's hardware and software resources. Common operating systems include Windows, macOS, and Linux.

Question 6

Can I use a computer without an operating system?

Accepted Answer

No, a computer cannot function without an operating system. The OS serves as an interface between the user and the hardware, allowing you to interact with the system.

Question 7

What’s the difference between a desktop and a laptop?

Accepted Answer

A desktop computer is typically stationary and consists of separate components (CPU tower, monitor, keyboard, etc.), while a laptop is portable with all components built into a single unit.

Question 8

What’s the purpose of a tablet?

Accepted Answer

A tablet is a portable touch-screen device designed for browsing the web, reading, entertainment, and light productivity tasks, often replacing traditional laptops for casual use.

Question 9

How is a smartphone different from a computer?

Accepted Answer

A smartphone is a handheld device that functions like a computer but is designed primarily for communication (calls, texts) and tasks like browsing the web and using apps.

Lesson-1.1 Introduction to Computers | What is a Computer? | DCA Complete Course

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