2.1 Computer Systems

2.1 Computer Systems

Input

Information that a user physically enters into a computer by pressing a key on a keyboard, clicking a mouse, tapping a touch screen, pushing a button on a game controller, speaking into a microphone, etc.

Processing

The operations performed by a computer to retrieve, transform, or classify information.

Output

Information that a computer returns to a user such as images on a screen, sounds from speakers, and printed pages.

Storage

The saving of information on memory chips, discs, or other storage media by a computer for later use

Multiple Choice

Before a computer can work, somebody needs to physically put information into it. In computer terms, this is called _______.

• output

• processing

• input

• storage

Multiple Choice

When the computer quickly performs calculations on the input, converting the raw electrical signals into information

• output

• processing

• input

• storage

Multiple Choice

Which of the following is a type of input device?

• Speakers

• Monitor

• Touchscreen

• Hard drive

Multiple Choice

Which of the following is data temporarily stored on?

• Hard drive

• Keyboard

• Memory chips

• Printed page

Multiple Choice

A user has entered a search string into an application and clicked on the search icon. Which of the following is the NEXT step in the computing process?

• Storage

• Input

• Output

• Processing

Multiple Choice

Which of the following lists the basic computing and processing steps in order?

• Input, processing, output, and storage

• Input, retrieval, output, and storage

• Input/Output, processing, and storage

• Input, retrieval, processing, and storage

Multiple Choice

Which of the following provides a computer system with the ability to retrieve and manipulate data at a future time?

• Output

• Storage

• Processing

• Input