Power in Computers

input device

this is where the raw data that the computer needs to process goes through

output device

this is where processed data goes to when it has been made as a meaningful information

I/O operations

is the process of input and output

inputs

are signals recieved by the computer

Outputs

are signals sent from the computer

Main Memory

is considered the working area of the computer

overwrite

To save and replace an existing file.

READ and WRITE

are the 2 basic input & output operations when accessing data

READ

is when you open data

WRITE

is when you save data

Sequential Access

means that data is retrieved in a specific order

Random Access

means that data is sent or recieved without a sequential order

origination

refers to the organizing & recording of data into some format

input preparation

involves the conversion of the original document into format that a computer can understand

editing, coding, verifying

What are the 3 substeps into only preparation

processing

is the actual transformation of data into information

Output preparation

entails providing the user with information

peopleware

is composed of the developers & users that is considered as part of the entire computer system

compassion

is done when a certain problem has to be solved with algorithm

information science

is the study of data and information

information security

is the analysis and implementation of system security

information systems

is the application of computing to support the operations of an organization

logic

is needed in organizing the instructions fed into the computer