What is a Computer?

Why the computer were invented?

• To solve more complicated problems than simple machines could solve

• To have fun so people can play games online

• To help with the manual work humans had in that era

Computers have to perform these 4 task:

• Insert, simulate, preliminate and eliminate data

• Input, storage, processing, and output information

• be turned on, played with, cleaned it and be turned off

In a computer, what part takes the information from the memory to be manipulated?

• The keyboard

• The mouse

• The processor

Examples of devices that INPUT information to the computer

• camera, microphone, mouse, keyboard

• speakers, printer, headphones

• tablet, cellphone, nintendo switch

Choose the output devices.

• monitor, printer, mouse

• monitor, printer, keyboard

• monitor, printer, speakers

• mouse, keyboard, smartboard

Which TWO of the following are the best ways to define a computer? (Choose TWO)

• A machine that works with information to help people with thinking tasks

• A machine with a screen and a keyboard

• A machine that can connect to the Internet

• A machine that inputs, outputs, stores, and processes information

• A machine that uses electricity (from a cable or battery)

A computer processes instructions using two binary digits, ____ and ____.

• 1 and 10
• 1 and 5
• 1 and 0

Computer _____________ is a set of instructions that tells a computer what to do or how to perform a task.

• Hardware
• Software
• Malware

Computer _____________ is any physical device used in or with your machine.

• Hardware
• Software
• Malware

A example of computer software is...

• Operating System
• Mouse
• Monitor
• CPU