M2S2 Flashcards
elements of a computer system:
hardware software data people procedure
develop processes (procedures) for recording checks (data) received from customers
IT staff (people)
use a program (software) to enter the checks (data) in the computer
employees in the accounts receivable department
performs calculations required to process the accounts receivable data and stores the results on storage media such as a hard disk
computer
A computer contains many electric, electronic, and
mechanical components known as what
hardware
• Allows you to enter data and instructions into a computer
Input Device
Hardware component that conveys information to one or
more people
Output Device
• Case that contains the electronic components of the computer
that are used to process data
System Unit
Records (writes) and/or retrieves (reads) items to and from
storage media
Storage Device
Enables a computer to send and receive data, instructions, and
information to and from one or more computers or mobile devices
Communications
Device
tells the computer what
tasks to perform and how to perform them
Software, also called a program
is the process of setting up software to work with the computer, printer, and other hardware
Installing
develops software or writes the
instructions that direct the computer to process data
into information
programmer
Computer transform WHAT
data into information.
raw material
DATA
processes data.
info
are the steps that you must follow to
accomplish a specific computer-related task.
procedures
any set of characters that is gathered and
translated for some purpose.
data
can be any character,
including text and numbers, pictures, sound, or video.
data
Within a computer’s storage, data is a collection of numbers
represented as WHAT that are in turn composed of WHAT that can have the value one or zero.
bytes
bits (binary
digits)
a term used to describe text that is
informative to the individual reading it or the
computer processing it.
info
Raw, unprocessed
• Meaningless
data
Processed data
• Meaningful and can be used in many significant ways
info
Computer applications:
education finance government health care science publishing travel manufacturing
