Origins of MSDOS
Based on QDOS, purchased by Microsoft
QDOS or 86-DOS was based on CP/M
CP/M (Digital Research) was influenced by the
Digital Equipment Corp TOPS-10 and RSTS OSs
Origins of Windows
GUI Based on work from the Xerox PARC
What is a network?
What is a MAC address?
What does IP stand for?
What is the difference between LAN and WAN?
Why is a hub better than a switch?
How does Ethernet send messages?
How does 1Gig Ethernet manage to send 10x
faster than 100Mbps?
Operating System Terms
Windows XP Install
Windows XP Boot Sequence
Directory or Folder
A file system (also written as filesystem) is a
method of storing and organizing computer files
Its Good to Share
What is NAT?
What is DHCP?
Name the Wi-Fi types.
Name some Internet connection types.
What is MIMO?
Client / Server vs Peer to Peer
- Server: Provider of a Service
- Client: Requestor of Service
- Think of a Restaurant
Hypertext Transfer Protocol
Hypertext Markup Language
Cascading Style Sheets
File Transfer Protocol
Computer that responds to HTTP protocols
Stores web files
Server Side Languages
Client Side Languages
Extensible Markup Language
Composed of tags similar to HTML
Files referenced by another file that are also downloaded
by the br
Avoid easily guessed passwords
Use unusual username if possible
Easy passwords are lowercase, all letters, one
What is Client/Server?
What is Peer to Peer?
What is the Windows implementation of
Client/Server and Peer to Peer?
Name some Windows standard file permissions.
What is inheritance (related to permissions
Virtual: computer-generated simulation of
Virtual Memory: computer pretends to have more
hardware memory than it really does by swapping
Virtual Reality: computer simulation of reali
How do you share a folder on a windows
What is a virtual machine?
What is P2V, V2P, and V2V?
What are the advantages and disadvantages to
Makes clothes in the dryer stick together
A stationary electric charge
Dealing with Users
User Interface Error
Power: if machine fails upon additional power
load, may be PSU related
Use PSU tester
Hub a Hubba
What is it?
Book: A group of two or more computers that
intelligently share hardware or software devices
with each other.
Mine: Two or more devices that communicate.
Vibrations that compress air and are detected by the ear drum
Frequency (Cycles Per Second)
The higher the frequency the higher the pitch. Human:
hearing 16Hz to 20KHz.
Intensity or Amplitude
BIOS, BIOS, and Off to Work We Go
Driving MS OS
Basic Input/Output System
Consists of low-level software that contains the
system hardware and act as an interface
between the operating system and the
BIOS is software, stored on a memory chip: al
Work space for computer Processor
A temporary storage.
It is temporary because the data and program
only remains when there is electronic power.
Memory is often called random access
memory (RAM). You can randomly access the
memory (as opposed to se
Catch the Bus
Size: Not Big?
Number of Transistors?
Number of Users?
Todays Supercomputer is tomorrows Small
Computer (Moores Law)
Introduction to Computers
Ace of Base
What do I consider to be the first computer?
What are the 5 criteria for a computer
What are some ongoing trends in computers and
Numeral Systems a
How is data stored on a hard drive?
What is a platter and how does it move?
What is a hard drives head?
How close is the head to the platter?
What is in the registry?
Whats a Cluster?
Whats a Track?
Data is stored
What causes disk fragmentation? Fix?
What are the parts of a hard drive?
What is seek time, transfer time, rotational latency,
and access time?
What do you do to protect electronics when
What is the win
Beep, beep, beep
Windows Safe Mode
Command line utility
Displays a status report on the file system for a
Lists and corrects errors on the disk
Displays the status of the disk in the current drive.
From the Latin computare, "to reckon" or "to
The name computer originated in the
1600s to refer to people that performed
Was first used to describe a mechanical
calculating device in 1897 (Oxford English
What are the primary colors?
Is it Red, Yellow, Blue?
Is it Cyan, Magenta, Yellow?
Or is it Red, Green, Blue?
Painters color model
Subtractive Color Model (Improper)
Cyan, Yellow, Magenta
Proper Subtractive Color Model
Name 5 display technologies.
What are the additive primary colors?
What technologies use additive colors?
What are the subtractive primary colors?
What technologies use subtractive colors?
What is a pixel and what are its components?
How may co
Inputs or Controls
Outputs or Displays
Transforms information based on the inputs and
modifies the outputs accordingly.
Is somewhat Automatic
Can run multiple machines and multi