Transcript PPT

OS & Applications
“The Meat of BE1010”
• OS Communication with Applications and the User
• Applications
• System Software
• File Size
• Binary
• Application Software
• Global Communication
Applications
A program or group of programs
designed for communication.
• Application Software End-user programs
(Word Processing, Spread Sheets, CAD,
etc…)
AS
• Systems Software low-level programs that
interact with the computer at a very basic
level. (Operating systems, compilers, and
utilities for managing computer resources.
SS
HW
System Software
OS & System Resource Management
• Drivers A driver acts like a translator between the
device and programs that use the device.
• File System The system that an operating system or
program uses to organize and keep track of files.
• Binary Pertaining to a number system that has just two
unique digits. All operations that are possible in the
decimal system (addition, subtraction, multiplication,
division) are equally possible in the binary system
File Size
Binary
Two Fingered Aliens
Decimal = Base 10 Binary = Base 2
1656
656
56
6
1656
(1 x 10^3) + (6 x 10^2) +
(5 x 10^ 1) + (6x10^0)
1011
011
11
1
1011 = 11
(1 x 2^3) + (0 x 2^2) +
(1 x 2^ 1) + (1x2^0)
Application Software
• CAD -Computer Aided Design
• CAM – Computer Aided Manufacturing
• Spreadsheets - A table of values arranged in rows and
columns. Used to help automate calculations.
• Word Processing – An application that allows you to
create, edit, and modify a document.
• MathApp – an Application that allows you to
symbolically represent and calculate math equations.
Global Communication
Networking (communication from computer to computer
or node to node)
Requirements
Power
Server Software
Email, Web, List, Forum, Application,
Authentication, Streaming, etc…
Internet Connectivity
IP Address