SZABIST LARKANA CAMPUS
COMPUTER SCIENCE NOTES
TOPIC: INTRODUCTION TO
COMPUTERS
,DEFINITION OF COMPUTER:
It is an electronic device which accepts the data (input hardware)
from the person using the device, manipulates the data in
accordance with the instructions given from the user (processing
hardware), and finally producing the outcome/results ( reports,
budgets, totals, and much more) through (output hardware).
USES OF COMPUTER:
● BUSINESS ● BOOKING VACATIONS
● EDUCATION ● SECURITY AND SURVEILLANCE
● HEALTHCARE ● WEATHER FORECASTING
● RETAIL AND TRADE ● ROBOTICS
● GOVERNMENT
● MARKETING
● SCIENCE
● PUBLISHING
● ARTS AND ENTERTAINMENT
● COMMUNICATION
● BANKING AND FINANCE
● TRANSPORT
● NAVIGATION
● MILITARY
● SOCIAL
, PARTS OF COMPUTER:
HARDWARE: INPUT DEVICES:
The mechanical tools that make up a computer In a computer system, any input device is used
are called hardware. Basically, any part of a to provide data to an information processing
computer that you can physically touch is system i.e. computer. There are many input
hardware. Computer hardware is a collection of devices that you can use to send data to a
several constituents working together. computer system. I will discuss some of the
main input devices that are commonly used in
our daily life.
Hardware, firmware, and software work KEYBOARD:
altogether to make a computer function. There
are five types of computer hardware i.e. input One of the principal input devices used with a
devices, output devices, processing devices, computer is a keyboard. It is comprised of
storage devices, and communication devices. buttons that are used to write letters, numbers,
symbols, and other functions.
COMPUTER SCIENCE NOTES
TOPIC: INTRODUCTION TO
COMPUTERS
,DEFINITION OF COMPUTER:
It is an electronic device which accepts the data (input hardware)
from the person using the device, manipulates the data in
accordance with the instructions given from the user (processing
hardware), and finally producing the outcome/results ( reports,
budgets, totals, and much more) through (output hardware).
USES OF COMPUTER:
● BUSINESS ● BOOKING VACATIONS
● EDUCATION ● SECURITY AND SURVEILLANCE
● HEALTHCARE ● WEATHER FORECASTING
● RETAIL AND TRADE ● ROBOTICS
● GOVERNMENT
● MARKETING
● SCIENCE
● PUBLISHING
● ARTS AND ENTERTAINMENT
● COMMUNICATION
● BANKING AND FINANCE
● TRANSPORT
● NAVIGATION
● MILITARY
● SOCIAL
, PARTS OF COMPUTER:
HARDWARE: INPUT DEVICES:
The mechanical tools that make up a computer In a computer system, any input device is used
are called hardware. Basically, any part of a to provide data to an information processing
computer that you can physically touch is system i.e. computer. There are many input
hardware. Computer hardware is a collection of devices that you can use to send data to a
several constituents working together. computer system. I will discuss some of the
main input devices that are commonly used in
our daily life.
Hardware, firmware, and software work KEYBOARD:
altogether to make a computer function. There
are five types of computer hardware i.e. input One of the principal input devices used with a
devices, output devices, processing devices, computer is a keyboard. It is comprised of
storage devices, and communication devices. buttons that are used to write letters, numbers,
symbols, and other functions.
