LESSON-1-UNDERSTANDING-COMPUTERS.pptx

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The document provides an overview of computer hardware servicing skills and concepts. It discusses the types of computers including analog, digital, and hybrid computers. It also covers the classification of computers such as mainframe, minicomputers, servers, and microcomputers. Finally, it identifies the key elements of a computer including software, dataware, hardware, and peopleware.

COMPUTER HARDWARE SERVICING
Q2 - LESSON 1

SKILLS TO ACQUIRE:
 These skills are pre-requisite if you are planning to
take up CSS in Senior High School.
 These skills are essential to pass the National
Certification II Computer System Servicing of
TESDA.
 Basic computer knowledge
 Computer vocabulary (terminologies)
 Plan and prepare for configuration
 Configure computer systems and networks

COMPUTER
 is a programmable electronic device
designed to accept data, perform
prescribed mathematical and logical
operations at high speed, and display the
results of these operations.

TYPES OF COMPUTER
1. ANALOG COMPUTERS
2. DIGITAL COMPUTERS
3. HYBRID COMPUTERS

1. ANALOG
COMPUTERS
1. 1873 (William Thomson)
2. 1898 (A.A. Michelson and
S.W. Stratton)
3. 1930 (Vanner Bush) –
Modern Analog Computer

ANALOG COMPUTERS
 Performs mathematical
operations
 Utilizes mechanical or
electrical energy

2. DIGITAL COMPUTERS
1. 1946 (John Vincent
Atanasoff and Clifford
Berry)
 IBM Computer
 Apple Macintosh

2. DIGITAL COMPUTERS
 It is electronic automated
machine that solves
problems involving words
and numbers.
 They are programmable.
 Represents 0s and 1s.

3. HYBRID COMPUTERS
1. 1961 (Packard Bell)
 Hycomp 250

3. HYBRID COMPUTERS
 Combination of both digital and
analog computers.
 The digital is the controller and
the analog does the
computation.
 The digital process the
conversion from analog to
digital.

3. HYBRID COMPUTERS
 Fuel vending machine  Ultrasound Machine

3. HYBRID COMPUTERS
 Forensic  Defense

CLASSIFICATION OF
COMPUTERS
1. MAINFRAME COMPUTERS
2. MINICOMPUTERS
3. SERVERS
4. SUPERCOMPUTER
5. MICROCOMPUTERS

1. MAINFRAME COMPUTERS
 Mainframe computers are used by large
companies and organizations to perform critical
tasks.

2. MINICOMPUTERS
 Mid-range system or workstations. A relatively
smaller 3rd generation computers.

3. SERVER COMPUTER
 Provides services to
client machines in a
computer network.
 Large in size, with
large processors and
many hard drives.
 Fail-safe and resistant
to crash.

4. SUPERCOMPUTER
 A supercomputer is used for sensitive and calculation-
intensive work such as scientific research and studies like
weather forecasting.

5. MICROCOMPUTERS
With microprocessors
and central
processing unit.
Personal computers.
Single-user tasks

PERSONAL COMPUTERS
DESKTOP
LAPTOP
NETBOOK
HANDHELD DEVICES

PERSONAL COMPUTER
DESKTOP
LAPTOP
NETBOOK
HANDHELD DEVICES

1. SOFTWARE
2. DATAWARE
3. HARDWARE
4. PEOPLEWARE
ELEMENTS OF
COMPUTER

1. SOFTWARE
ELEMENTS OF
COMPUTER  Collection of computer programs
(application) and related data that
provides instructions for telling a
computer what to do and how to
do it (programing software).
• Microsoft products such as Office and Operating system.
• Music Application software like Spotify.
• Real-time online communication like Skype, Google Meet, and Zoom.
• Editing software.
• Internet browsers like Chrome, Safari, and Firefox.

2. DATAWARE
ELEMENTS OF
COMPUTER  Also known as data warehouse
or enterprise data warehouse.
 A central repository of data
which is created by integrating
data from multiple disparate
sources.
• Databases

3. PEOPLEWARE
ELEMENTS OF
COMPUTER
 Uses or anyone who involves in
the computer
• Computer engineers
• Website designers
• Technicians
• IT specialists such as database administrators or
networking specialists

1. SOFTWARE
2. DATAWARE
3. PEOPLEWARE
4. HARDWARE
ELEMENTS OF
COMPUTER
 Uses or anyone who involves in
the computer

HARDWARE
 Hardware refers to the external and internal devices and
equipment that enable you to perform major functions such
as input, output, storage, communication, processing, and
more.

This document provides an introduction to computers including definitions of key terms like data, information, hardware, and software. It discusses the history and generations of computers from Charles Babbage to the modern era. It describes the characteristics, advantages, disadvantages, types (microcomputer, mainframe, etc.), architecture, and functions of computers. The document concludes with multiple choice questions.

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Computers have evolved over five generations, with each generation bringing improvements in size, speed, reliability and cost. The first generation used vacuum tubes, punched cards and were very large, expensive and unreliable. The second generation introduced transistors, magnetic storage and were smaller and more reliable. The third generation used integrated circuits and were faster, cheaper and easier to use commercially. The fourth generation had microprocessors, semiconductor memory and were small and affordable. The fifth generation utilizes powerful desktop PCs, laptops, optical disks and internet support. Computers can be classified based on size, purpose, technology and historical development.

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The document provides an overview of computer science and the basic elements of a computer system. It defines what a computer is and discusses different types of computers categorized by data management (analog, digital, hybrid) and processing power (personal computer, workstation, minicomputer, mainframe, supercomputer). It also explains the key elements that make up a computer system including hardware components like the CPU, memory, motherboard and I/O devices, as well as software components like operating systems, applications and programming languages. The document aims to introduce foundational concepts in computer science.

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Charles Babbage is considered the father of computers. He designed the Difference Engine and Analytical Engine in the 1820s and 1830s, respectively, which provided a basis for modern computers. A computer processes data into information using hardware and software. Hardware is the physical components, while software contains instructions. Computers have evolved through five generations from vacuum tubes to transistors to integrated circuits to microprocessors and now artificial intelligence. Computers are versatile machines that can rapidly perform calculations with high accuracy and store large amounts of data.

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The document provides an introduction to information technology, including definitions of different types of computer systems such as microcomputers, mini computers, mainframe computers and supercomputers. It discusses the evolution of computers from early mechanical devices like the abacus to modern digital computers. It also defines key concepts in information technology like analog and digital computers, different generations of computers from first to fourth generation, and common data processing operations in business like data generation, recording, sorting and reporting.

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The document discusses different types of computers. It defines computer science as applying mathematics, engineering and logic to functions like algorithms, software/hardware development and artificial intelligence. A computer accepts input, processes it according to rules, produces output and stores information. The document outlines different types of computers categorized by data management (analog, digital, hybrid) and processing power (personal computer, workstation, minicomputer, mainframe, supercomputer). It provides details on each type of computer and examples of their uses. In the end, it includes activities on analog vs digital vs hybrid computers and whether computer technology is a boon or bane.

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Computers can be classified as general purpose or special purpose. General purpose computers can handle a variety of tasks but are less efficient, while special purpose computers are dedicated to specific tasks and are more efficient. Computers can also be analog, digital, or hybrid. Analog computers measure continuous physical quantities as input and provide continuous outputs, while digital computers use binary numbers as input and output discrete values. Hybrid computers combine aspects of analog and digital. Computers are also classified by size as microcomputers, minicomputers, mainframes, or supercomputers, with each type having different processing power and typical applications.

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Unit 1 provides an introduction to computers including: - The evolution of computers from vacuum tubes to integrated circuits to microprocessors across 5 generations. - The main components of a computer including the central processing unit, memory, input/output devices, and mass storage. - Types of computers ranging from personal computers to workstations, minicomputers, mainframes, and supercomputers. - Key concepts such as what defines a computer, how they store and manipulate data based on programs, and their advantages in processing huge amounts of data efficiently.

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Unit 1 provides an introduction to computers including their objectives, types (digital, analog, hybrid), evolution through generations, core components (CPU, memory, input/output devices), and number systems. Key points include: - Computers accept digital data as input, manipulate it according to programs, and provide results as output. - There are various types of computers including mini computers, supercomputers, mainframes, personal computers, and workstations. - Computers have evolved through 5 generations from vacuum tubes to integrated circuits and microprocessors. - Core components include the CPU, memory, and input/output devices like keyboards, printers, and monitors.

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Unit 1 provides an introduction to computers including their objectives, types (digital, analog, hybrid), evolution through generations, core components (CPU, memory, input/output devices), and number systems. Key points include: - Computers accept digital data as input, manipulate it according to programs, and provide results as output. - There are various types of computers including mini computers, supercomputers, mainframes, PCs, and workstations. - Computers have evolved through 5 generations from vacuum tubes to integrated circuits and microprocessors. - Core components include the CPU, memory, and input/output devices like keyboards, printers, and monitors.

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This document provides an introduction to computer systems. It discusses the evolution of computers from the first generation using vacuum tubes to the present generation using integrated circuits and microprocessors. It describes the key characteristics of each generation as computers progressed from room-sized machines to today's compact personal computers. The document also covers the basic components and functions of a computer system, including hardware, software, data processing, and input/output. Finally, it discusses different classifications of computers such as analog vs. digital, general purpose vs. special purpose, and sizes ranging from microcomputers to mini and mainframe computers.

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LESSON-1-UNDERSTANDING-COMPUTERS.pptx

1. 10 QUESTIONS 5 SECONDS

4. S3cur3@#

7. Steve Jobs is the former CEO of …

12. COMPUTER HARDWARE SERVICING Q2 - LESSON 1

13. SKILLS TO ACQUIRE:  These skills are pre-requisite if you are planning to take up CSS in Senior High School.  These skills are essential to pass the National Certification II Computer System Servicing of TESDA.  Basic computer knowledge  Computer vocabulary (terminologies)  Plan and prepare for configuration  Configure computer systems and networks

15. COMPUTER  is a programmable electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations.

16. TYPES OF COMPUTER 1. ANALOG COMPUTERS 2. DIGITAL COMPUTERS 3. HYBRID COMPUTERS

17. 1. ANALOG COMPUTERS 1. 1873 (William Thomson) 2. 1898 (A.A. Michelson and S.W. Stratton) 3. 1930 (Vanner Bush) – Modern Analog Computer

18. ANALOG COMPUTERS  Performs mathematical operations  Utilizes mechanical or electrical energy

19. 2. DIGITAL COMPUTERS 1. 1946 (John Vincent Atanasoff and Clifford Berry)  IBM Computer  Apple Macintosh

20. 2. DIGITAL COMPUTERS  It is electronic automated machine that solves problems involving words and numbers.  They are programmable.  Represents 0s and 1s.

21. 3. HYBRID COMPUTERS 1. 1961 (Packard Bell)  Hycomp 250

22. 3. HYBRID COMPUTERS  Combination of both digital and analog computers.  The digital is the controller and the analog does the computation.  The digital process the conversion from analog to digital.

23. 3. HYBRID COMPUTERS  Fuel vending machine  Ultrasound Machine

24. 3. HYBRID COMPUTERS  Forensic  Defense

25. CLASSIFICATION OF COMPUTERS 1. MAINFRAME COMPUTERS 2. MINICOMPUTERS 3. SERVERS 4. SUPERCOMPUTER 5. MICROCOMPUTERS

26. 1. MAINFRAME COMPUTERS  Mainframe computers are used by large companies and organizations to perform critical tasks.

27. 2. MINICOMPUTERS  Mid-range system or workstations. A relatively smaller 3rd generation computers.

28. 3. SERVER COMPUTER  Provides services to client machines in a computer network.  Large in size, with large processors and many hard drives.  Fail-safe and resistant to crash.

29. 4. SUPERCOMPUTER  A supercomputer is used for sensitive and calculation- intensive work such as scientific research and studies like weather forecasting.

30. 5. MICROCOMPUTERS With microprocessors and central processing unit. Personal computers. Single-user tasks

31. PERSONAL COMPUTERS DESKTOP LAPTOP NETBOOK HANDHELD DEVICES

32. PERSONAL COMPUTER DESKTOP LAPTOP NETBOOK HANDHELD DEVICES

33. 1. SOFTWARE 2. DATAWARE 3. HARDWARE 4. PEOPLEWARE ELEMENTS OF COMPUTER

34. 1. SOFTWARE ELEMENTS OF COMPUTER  Collection of computer programs (application) and related data that provides instructions for telling a computer what to do and how to do it (programing software). • Microsoft products such as Office and Operating system. • Music Application software like Spotify. • Real-time online communication like Skype, Google Meet, and Zoom. • Editing software. • Internet browsers like Chrome, Safari, and Firefox.

35. 2. DATAWARE ELEMENTS OF COMPUTER  Also known as data warehouse or enterprise data warehouse.  A central repository of data which is created by integrating data from multiple disparate sources. • Databases

36. 3. PEOPLEWARE ELEMENTS OF COMPUTER  Uses or anyone who involves in the computer • Computer engineers • Website designers • Technicians • IT specialists such as database administrators or networking specialists

37. 1. SOFTWARE 2. DATAWARE 3. PEOPLEWARE 4. HARDWARE ELEMENTS OF COMPUTER  Uses or anyone who involves in the computer

38. HARDWARE  Hardware refers to the external and internal devices and equipment that enable you to perform major functions such as input, output, storage, communication, processing, and more.

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