Chapter 3
In Brief…
But first, a Short Quiz
1. Define “peripheral”.
2. Name 2 of the 5 different types of
computers.
3. Which is the more modern standard:
VGA or DVI?
Quiz Answers
1. A peripheral is any piece of
hardware external to the system
unit.
2. Supercomputers, Mainframes,
Workstations, Microcomputers,
Microcontrollers (embedded
systems)
3. DVI (VGA is from 1987)
Chapter 3
In Brief…
Terms
Copyright – the exclusive legal right that
prohibits copying of intellectual property
without the permission of the copyright
holder
Software License – a contract in which you
receive permission to use software in a
limited fashion and agree not to violate
these conditions (EULA)
“Buying” Software vs. a car
Buy a car
You can use any brand of
accessories
You can freely modify the
car
You can use ideas
derived from that car to
build a broadly similar car
You own and can use the
car forever
You can re-sell the car
Legally, you own the car
“Buy” software
You may be limited to manufacturer
add-ons only
You may not modify or reverse
engineer the software
Similar software will get you sued –
Amazon’s “one-click” patent, etc.
You may only be able to use the
software for a limited time
You may not be able to re-sell the
software
Legally, you do NOT own the
software
Terms
CAD – Computer-aided design. CAD
programs are generally used by architects,
etc.
Database – System for storing and
retrieving data by organizing it into
different cells, columns, tables, and files.
Generally built to allow multiple users to
access it. (Ex: MS Access)
Terms
Font – a particular typeface.
GUI – Graphical User Interface
Macro- a short keystroke or command
used in place of a longer sequence of
keystrokes or commands. Some macros
are referred to as keyboard shortcuts.
Public-domain software – Software not
protected by copyright
Terms
Taskbar – the bar that appears at the
bottom of a Windows screen, for example
Wizard – a program designed to guide
people through complex choices
graphically in order to make a given task
easier.
Application software – any non-OS
software on the computer
The rest of CH 3
Is fairly basic, so we’re not going to cover
it in lecture
However, you will be expected to be
familiar with any terms and ideas
introduced in it
Practical Note: New Computer
1. Buy a New PC
2. Set it up next to old PC
3. Transfer Data
1.
2.
3.
4.
Application configuration data
Documents
Media Files
Cannot transfer most programs or drivers
Practical Note: New Computer
3. Transfer Data
1.
2.
3.
Ethernet
USB cable
Burning CDs
4. Remove sensitive data from old PC
1.
2.
3.
Reformat
Reformat securely
Drill holes in platter
Practical Note: New Computer
5. Donate machine
1.
2.
3.
4.
Goodwill
Local library
Charities
DO NOT THROW IT AWAY
Hardware
The rest of the lecture is found at the
following web page:
http://www.cs.indiana.edu/classes/a111/lecture2.html
We’ll be covering this material over the next few
lectures