CIT1100 Fundamentals of Computing Fall, 2005 Dr. Maureen Markel

Computer Acronyms WYSIWYG SCSI BMP CRT LCD ROM RAM PIXEL GUI

scsi it crt lcd rgb cd ram rom pc ic

Essentials of Word format review

Basic Organizational Types Monolith or Component? What’s the difference?

A look at the parts Monitor – how does it differ from a TV?

The art of illusion The original button – flat ain’t it? Hmm… add a little shading and it’s ready to press.

How many times does the head hit the bar?

RGB Colors Primary colors of light? _____ Any color can be created with some combination of these three colors. Color Bar How many colors?

Where’s the computer’s work engine? Motherboard Cards Microprocessor /processor (see figures on p. 14 in text)

Memory Ways of retrieving information Sequential access Random access Storage unit: byte Kilobyte – megabyte - gigabyte RAM memory – temporary, volatile ROM memory – permanent, stable

Hard Disk Peripheral device fundamental to all computer systems Composed of an iron compound that can be magnetized. The magnetism remains when the power is off so the hard drive provides persistent storage. Why save work often?

There’s hardware and there’s... How did it get a name like that? Categories of software System Application Special purpose

Introducing Algorithms A step-by-step precise method for solving a problem in a limited amount of time Generally represented by A flowchart Pseudocode Task: using Paint, draw a house. Then create the algorithm for your house. Print out your algorithm and exchange with someone not in your row.