COMPUTER APPLICATION IN BUSINESS
UNIT I
◾️MEANING OF COMPUTER:
In "Computer Application in Business", "computer" means an electronic device that
processes, stores, and communicates information to support business operations and decision-
making.
A computer is an electronic device that processes, stores, and communicates
information, enabling businesses to manage data, automate tasks, and enhance productivity.
Full form of COMPUTER:
C – Common
O – Oriented
M – Machine
P – Particularly
U – Used for
T – Technical
E – Educational
R – Research
◾️CHARACTERISTICS OF COMPUTERS:
1.Speed: Computers can process information and perform tasks at incredibly high speeds, often
in fractions of a second.
2.Accuracy: Computers are highly accurate in processing data, reducing the likelihood of
errors.
3.Storage: Computers can store vast amounts of data, both temporarily and permanently,
allowing for efficient retrieval and manipulation.
4.Automation: Computers can perform tasks automatically, without human intervention,
freeing up time for more complex activities.
,5.Versatility: Computers can be used for a wide range of applications, from simple calculations
to complex simulations, and can be easily reprogrammed for different tasks.
6.Reliability: Computers consistently perform tasks without fatigue or emotional influence,
ensuring reliable results.
7.Scalability: Computers can be upgraded or expanded to meet increasing demands, allowing
for improved performance and capacity.
8.Consistency: Computers produce consistent results, reducing variability and ensuring
predictable outcomes.
9.Efficiency: Computers optimize resource utilization, streamlining processes and reducing
waste.
10.Multitasking: Computers can perform multiple tasks simultaneously, enabling efficient use
of resources and improving productivity.
◾️COMPONENTS OF COMPUTER:
Hardware Components:
1.CPU (Central Processing Unit): Executes instructions, performs calculations.
2.Memory (RAM): Temporary storage for data and applications.
3.Storage (HDD/SSD): Permanent storage for data, programs, and operating system.
4.Input Devices:
Keyboard: Inputs text and commands.
Mouse: Controls cursor and selects items.
5.Output Devices:
Monitor: Displays visuals.
Speakers: Produces audio.
6.Motherboard: Connects hardware components, enables communication.
7.Power Supply: Converts AC power to DC power for components.
Software Components:
1.Operating System (OS): Manages hardware, provides platform for applications.
2.Application Software: Performs specific tasks, such as:
, Word processing
Web browsing
Gaming
These components work together to enable a computer to process, store, and communicate
information.
◾️HARDWARE AND SOFTWARE IN COMPUTER:
What is Hardware?
Definition:
Hardware refers to the physical components of a computer that you can see, touch, and feel.
These parts work together to perform computing tasks.
Examples: Keyboard, Monitor, CPU, Mouse, Printer, RAM, Hard Drive
Types of Hardware
A. Input Devices
Used to enter data and commands into the computer.