1. Bianca King 2nd period group 4 chapter 11 section 1
Computer System
Bianca King 2nd period group 4 chapter 11 section 1

2. Goals Identify the main elements of a computer system.
Describe input devices and processing activities.
Explain computer storage media and output types.

3. Computers in society
Computers in business are used to store,process,and report information.
A company needs quick, efficient processing to control its operating costs, manage resources, and stay competitive.
Each day in banks , stores ,offices, factories , homes , and non profit organizations , the use of computer systems is expanding.

4. Elements of a computer system
Input device,processing unit,memory and storage and output all are the four basic compinents.
These four basic components make up what is called computer system.
The physical elements of a computer system are called the hardware.
In contrast to hardware, software refers to the instructions that run the computer system.

5. Processing
Central processing units the control center of the computer the “brain”.
Program a series of detailed, step by step instructions that tell the computer what functions to complete.
Computer language a system of letters,words,numbers and symbols used to communicate with a computer.
Operating system software translates commands and allows application programs to interact with the computers hardware.
Application software refers to programs that perform specific tasks such as word processing.

6. Memory and storage: Saving for later
The third major component of a computer system is the memory.
This memory within the computer is also called internal.
Processing both the program and any data entered with an input device are stored in memory.

7. Output: retaining results
The final component of a computer system is known as output.
Output devices present data in a form that can be retrieved later or may be communicated immediately.

8. Questions
1.An optical scanner is a device in the ____ component of a computer system.
(A.Input
(B.Output
(C.Memory
(D.Processing

9. 2.A list of potential customers for your new product would be created using _____ software.
(A. Desktop publishing
(B.Word processing
(C.Spreadsheet
(D.Database

10. (3.Which of the following is an example of auxiliary storage?
(A.CPU
(B.DVD
(C.Monitor
(D.Software