PPT: Introduction-History and Generation of Computer | Computer Awareness for Judiciary Exam - Judiciary Exams PDF Download

 Page 1


Computer: 
Introduction, 
History, 
Generations and 
Types
Page 2


Computer: 
Introduction, 
History, 
Generations and 
Types
Introduction
Digital Literacy
Understanding 
computers is 
essential in today's 
digital age, especially 
for SSC exams.
Career 
Enhancement
Computer knowledge 
makes tasks easier 
and more efficient in 
any job role.
Competitive Edge
Computer literacy is tested in many competitive 
exams, making it crucial for career success.
Page 3


Computer: 
Introduction, 
History, 
Generations and 
Types
Introduction
Digital Literacy
Understanding 
computers is 
essential in today's 
digital age, especially 
for SSC exams.
Career 
Enhancement
Computer knowledge 
makes tasks easier 
and more efficient in 
any job role.
Competitive Edge
Computer literacy is tested in many competitive 
exams, making it crucial for career success.
What is a Computer?
Electronic Device
A computer takes data from users and processes it.
Data Processor
It performs calculations and operations on input data.
Output Generator
It produces desired output after processing.
Etymology
"Computer" derives from Latin "computare," meaning 
"to compute."
Page 4


Computer: 
Introduction, 
History, 
Generations and 
Types
Introduction
Digital Literacy
Understanding 
computers is 
essential in today's 
digital age, especially 
for SSC exams.
Career 
Enhancement
Computer knowledge 
makes tasks easier 
and more efficient in 
any job role.
Competitive Edge
Computer literacy is tested in many competitive 
exams, making it crucial for career success.
What is a Computer?
Electronic Device
A computer takes data from users and processes it.
Data Processor
It performs calculations and operations on input data.
Output Generator
It produces desired output after processing.
Etymology
"Computer" derives from Latin "computare," meaning 
"to compute."
Basic Functions of a Computer System
Input
Information entered into the 
computer via keyboard or 
mouse
Processing
Converting input data into 
meaningful information
Output
Making processed data 
available to users
Storage
Storing data and programs 
permanently
Page 5


Computer: 
Introduction, 
History, 
Generations and 
Types
Introduction
Digital Literacy
Understanding 
computers is 
essential in today's 
digital age, especially 
for SSC exams.
Career 
Enhancement
Computer knowledge 
makes tasks easier 
and more efficient in 
any job role.
Competitive Edge
Computer literacy is tested in many competitive 
exams, making it crucial for career success.
What is a Computer?
Electronic Device
A computer takes data from users and processes it.
Data Processor
It performs calculations and operations on input data.
Output Generator
It produces desired output after processing.
Etymology
"Computer" derives from Latin "computare," meaning 
"to compute."
Basic Functions of a Computer System
Input
Information entered into the 
computer via keyboard or 
mouse
Processing
Converting input data into 
meaningful information
Output
Making processed data 
available to users
Storage
Storing data and programs 
permanently
History of Computer Evolution (Part 1)
Abacus (16th Century)
First mechanical calculating 
device using beads on rods 
for addition and subtraction.
Napier's Bones (1617)
Three-dimensional structure 
for multiplication using 
Rabdologia on rods.
Pascaline (1642)
First mechanical adding 
machine with eight discs for 
addition and subtraction.