2. COMPUTER
An electronic system that can be
programmed to accept, store and
manipulate/process data to come out with
meaningful output referred to as
information
It carries out its task/s through a set of
instructions called a computer program.
3. Capabilities of Computer
Processing
of Repetitive, High
Volume Applications
Self-Operation
Decision Making
4. Limitations of Computer
Failure to derive meaning from
objects
Inability to generate information on
its own
Failure to correct wrong answer
5. Classification by Size
NOTEBOOK/LAPT
OP
DESKTOP/ PC
MINICOMPUTER
MAINFRAME
NETWORK
6. Components of Computer System
PEOPLEWARE
Managers
System Analyst/Designer
Programmers
Operators/Technicians
Users
SOFTWARE
System Software
Application Software
HARD WARE
11. Central Processing Unit
This is the “BRAIN” of a
Computer System
It is the device that fetches,
decodes and executes
instructions
Transfers data between the
memory and other peripheral
devices through data bus
For Personal/ Micro Computers,
this is referred to as the Micro
Chip
23. SOFTWARE
Set of programs, procedures, routines and
documents associated with the operation of
a computer system.
Software is the name given to the program
that causes a computer to carry out
particular operations
24. Types of Software
Programming Languages - medium used by humans
to communicate instructions to a computer.
Systems Software - collection of programs which
contribute to the control and performance of the
computer
Application Software - programs designed to
perform specific jobs such as spreadsheets,
wordprocessors, graphic softwares system
