Know everything in detail about computer - What is Computer? Computer Full Form, Computer Definition, Computer Science, Types of Computer, Desktop Computer & more.

1. Computer
What is Computer?
Introduction of Computer
Computer Definition

2. What is Computer? | Introduction of Computer
• Hello friends! Today we are going to give you a
detailed introduction of computers. There are
people who still do not know much about
computers. They still wonder about what is
computer, how it works, what are the parts of
computer, who invented the computer? And the
list goes on. So let’s get started.

3. What is a Computer? | Computer Definition
• The ultimate electronic device ever made by humans is – Computer!
Yes, an invention that has changed the way of living lives. It has made great
impacts on our everyday life and civilization. Science and technology is becoming
advanced day by day due to the usage of computers.
We can say “Everything is in the Computer” and “Computer is everywhere.”
Because we get all the information very easily with the help of computers. It helps
in completing tasks with technology and the internet.
Computer is derived from the Latin word Computare that means to calculate or
find the result of some operation on numeric and non-numeric values.

4. Some of the Most Accurate Definitions of
Computer
• Computer Definition – A computer is a machine that performs tasks
according to certain instructions. It is an electronic device that is designed
to work with information.
• Definition of Computer – A computer can be defined as a multipurpose,
programmable, electronic data processing device that is capable of
accepting input, processing it, and producing information as output at
enormous speed.
• Simple Definition of Computer – A computer is an electronic device,
which can perform computation as well as logical action at enormous
speed.

5. • Computer Network Definition – A computer may be defined as a machine
that can solve problems by accepting data, performing certain operations,
and presenting results of those operations in sequential instructions. Such
a set of sequenced instructions, which cause a computer program to
perform particular operations, is called a program.
• A computer can be defined as a programmable digital automatic machine,
which takes input from the user, processes it, and gives the output
(information) in the desired form to the user and stores it if necessary.
Some of the Most Accurate Definitions of
Computer

6. Computer Full Form | Full Form of Computer
• Technically there is no full form of computer. But for their conveniences, people
has made an imaginary full form of computer and that is:
• C – Commonly
O – Operated
M – Machine
P – Particularly
U – Used for
T – Technical and
E – Educational
R – Research

7. Father of Computer | Who Invented Computer
• Charles Babbage, an English mechanical engineer
and polymath, originated the concept of a
programmable computer. Considered the “father
of computer“, he conceptualized and invented
the first mechanical computer in the early 19th
century.

8. History of Computer
• It is believed that the development of computer started
from 1831–1835 from the idea of a Perpetual Calendar
machine, which, though a system of pulleys and cylinders
and over, could predict the perpetual calendar for every
year from AD 0 (that is, 1 BC) to AD 4000, keeping track of
leap years and varying day length. But officially the
development of computers has been classified according to
the generation. These are mainly divided into 5 parts.

9. Generation of Computer | What is Computer
Generation?
• Computer generations are based on when
major technological changes in computers
occurred, like the use of vacuum tubes,
transistors, and the microprocessor. As of
2020, there are five generations of the
computer.

10. First Generation of Computer – 1940-1956
“Vacuum Tubes”
• Early digital computers used vacuum tubes as a major piece of
technology to perform the calculations. They were quite
problematic because of the big size, in terms of consuming energy,
causing heat problems and resulting in malfunction many times.
Other examples of first-generation computers include the ENIAC,
EDSAC, IBM 701, and Manchester Mark 1.
Machine language was used in these. For example, UNIVAC and
ENIAC computers.

11. Second Generation of Computer – 1956-1963
“Transistors”
• From 1955 onwards, vacuum tubes were replaced by transistors in computer
designs. It was a new hype and rise to the “second generation” of computers.
Transistors had their own advantages: as they were smaller, and required less
power than vacuum tubes, so give off less heat and resulted in well functioned
computers.
The first computer to use transistors was the TX-0 and was introduced in 1956.
Other computers that used transistors include the IBM 7070, Philco Transac S-
1000, and RCA 501.
In this technology, high level programming languages ​​like COBOL and FORTRAN
were used.

12. Third Generation of Computer – 1964-1971
“Integrated Circuits”
• The next great advance in computing power came with the advent of the
integrated circuit (IC). It was a great invention by Jack Kilby and Robert
Noyce.
IC helped in reducing the size of computers even more than second-
generation computers. The computers started working amazingly faster. In
this technology, the transistors were small sized and inserted inside the
silicon chip, called Semiconductor. It resulted in an increased processing
capacity of the computer. IC’s are still used in computers today.

13. Fourth Generation of Computers – 1971-1985
“Microprocessors”
• Microprocessor is the hero of the fourth generation of computers. More
commonly known as a CPU. It came with a revolutionary invention of the
desktop computer and fit easily on a desk and for the introduction of the
laptop.
Microprocessor usage immensely increased the efficiency of the computer
and was able to do very big calculations in seconds.
Some of the earliest computers to use a microprocessor include the Altair
8800, IBM 5100, and Micral. Today’s computers still use a microprocessor,
despite the fourth generation being considered to have ended in 2010.

14. Fifth Generation of Computer – 1985-Present
“Artificial Intelligence”
• The era or the beginning to use AI (artificial intelligence). This is the technology
which we are using today in our mobiles, laptops, tablets & computers. AI has
made almost everything possible through our phones and laptops as Speech
Recognition, Parallel Processing, and Quantum Calculation etc.
The world famous example of AI in computers is IBM’s supercomputer – Watson. It
was even featured on the TV show Jeopardy as a contestant for “question
answering”
Apple’s Siri on the iPhone and Microsoft’s Cortana on Windows 8 and Windows 10
computers are other examples of companies using AI technology. The Google
Search Engine also utilizes AI to process user searches.

15. Parts of Computer | Computer Parts
• A general-purpose computer has four main
components that make up a typical, present-
day computer. These are: The Arithmetic Logic
Unit (ALU), The Control Unit, The Memory,
and The Input and Output Devices (collectively
termed I/O).

16. Input Devices | Input Devices of Computer
• Computer keyboard
• Digital camera
• Digital video
• Graphics tablet
• Image scanner
• Joystick
• Microphone
• Computer Mouse
• Overlay keyboard
• Real-time clock
• Trackball
• Touchscreen
• Light pen

17. Output Devices | Output Devices of Computer
• Computer monitor
• Printer
• PC speaker
• Projector
• Sound card
• Video card

18. What are Characteristics of Computer?
• Speed
• Accuracy
• Diligence
• Versatility
• Storage Capacity
• Automation
• Memory
• Word Length
• Processing
• Flexibility
• Secrecy and Agile
• Reliability
• Consistency

19. What Are The Types of Computer?
Depending upon the internal structure and subsequent features and applicability,
computer system is categorized as follows-
• Mainframe Computer
• Supercomputer
• Workstation Computer
• Personal Computer (PC)
• Apple Macintosh (Mac)
• Laptop Computer (Notebook)
• Tablet and Smartphone

20. What are Computer Networks?
• Computer networks refer to connected
computing devices (such as laptops, desktops,
servers, smartphones, and tablets) and an ever-
expanding array of IoT devices (such as cameras,
door locks, doorbells, refrigerators, audio/visual
systems, thermostats, and various sensors) that
communicate with one another.

21. Types of Computer Networks
• Local-area network (LAN)
• Wide-area network (WAN)
• Enterprise network
• Service-provider network

22. What is Computer Science?
• Computer Science is the study of computers
and computational systems. Unlike electrical
and computer engineers, computer scientists
deal mostly with software and software
systems; this includes their theory, design,
development, and application.

23. Which Computer Courses You Can Do?
• Advanced Certificate in Digital Marketing and
Communication
• Web Designing
• VFX and Animation
• Hardware and Networking Courses
• Software and Programming Language Courses
• Tally
• Cyber Security Courses
• Microsoft Office and Typing Courses
• Diploma in IT
• Diploma in Computer Science
• Data Entry Operator Course
• Computer Hardware Maintenance
• Data Science
• Big Data Engineering
• Data Analyst
• Software Development
• Computer Hardware Engineering and
Networking
• Product Management Certification Program
• Business Analytics Certification Program
• PHP Certification

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