Introduction to Hardware/Software/Data
Hardware vs. Software vs. Data
|
Hardware
everything you can touch:
the computer,
monitor,
keyboard,
printer,
etc.
|
|
Software
("Program" or "Application"):
Instructions to the computer that make it able to do something useful,
such as "word processing" or "email." Usually
comes on a CD-ROM.
|
|
Data
The information that you put onto your computer (usually by using a
program): a letter, list of your expenses, etc.
|
|
|
Software Overview
The most popular types of programs for office use are:
|
Word Processing program
|
|
replaces a typewriter,
erasers and "white-out"
(for example, to write a letter) |
Spreadsheet program
|
|
replaces a calculator
and ledger sheets
(for example, to calculate payroll taxes)
|
Database program
|
|
replaces index cards
and reports
(for example, to list of all your customers)
|
|
The following programs are also commonly
used:
Scheduling
Project management
Telecommunications
Email
Graphics
Accounting
Also, the computer couldn't operate
without an
operating system.
|