Computer Literacy Define Computer Input /Output Define Information Processing Cycle H/W And S/W Sys S/W & Application S/W Primary /Secondary Memory Components Of A Computer Features Of A Computer Elements Of IS

1. LEARNING OBJECTIVES
1. Computer Literacy
2. Define Computer
3. Input /Output
4. Define Information Processing Cycle
5. H/W And S/W
6. Sys S/W & Application S/W
7. Primary /Secondary Memory
8. Components Of A Computer
9. Features Of A Computer
10. Elements Of IS

2. COMPUTER LITERACY
Computer literacy is
the ability to use
computers and
related technology
efficiently to perform
a task.

3. DEFINE COMPUTER
Computer Is A Device That
Accepts Input, Processes Data,
Store Data And Produce
Output.

4. INPUT AND OUTPUT DEVICES

6. HARDWARE & SOFTWARE

7. System Software is a
type of computer
program that is
designed to run a
computer's hardware
and application
programs.
SYSTEM SOFTWARE

8. Application Software
is a set of program that
allow computer to
perform a specific
data processing job for
a user .
APPLICATION SOFTWARE

9. PRIMARY AND SECONDARY MEMORY
Primary memory Secondary memory
Main Memory External Memory
Volatile Non Volatile
Not Permanent Permanent used for long term
Costly Not costly
Faster because work directly
with C.P.U
Slow not connected with C.P.U
RAM and ROM Hard Disk, DVD, CD, Floppy
Disk , Flash

10. COMPONENTS OF A COMPUTER
Input Devices
Output Devices
Main Memory
Secondary Memory
Processor
Communication

11. FEATURES OF COMPUTER
Speed
Storage
Accuracy
Reliability
Versatility
No Feeling
Diligence

12. ELEMENTS OF INFORMATION SYSTEM
Hardware
Software
Data
People
Procedure
Communication