Introduction to Computers

Which of following are three basic functions of a computer?

• Input, addition and output.

• Input, multiplication and output.

• Input, processing and output.

• Type, read and print.

___ is the main memory that is used to store computer programs and data that are currently in use.

• RAM

• ROM

• CD Drive

• DVD Drive

• Monitor
• Computer
• CPU
• Printer

What are some examples of input devices? Select all that apply.

• Microphone

• Mouse

• Speaker

• Scanner

Is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

• RAM
• Hard Disk
• DVD
• ROM

Which component is the brain of the computer?

• CPU

• RAM

• Hard drive

• Motherboard

What port is showing?

• VGA

• DVI

• HDMI

• USB

Which of the following are not the characteristics of SSD compared to HDD?

• faster

• cheaper

• non-mechanical

• shock-resistant

What health risks do users of computers face

• dehydration
• repetitive strain injury
• hearing loss
• more colds and flu

Which of the following application and tool matching is incorrect.

• Publishing - www.youtube.com

• Manufacturing - computer aided design

• Education - telemedicine

• Retail - e-commerce