The document discusses the components and functions of a basic computer system. It explains that a computer consists of hardware and software. The hardware includes components like the central processing unit, memory, storage devices, input devices, output devices, and other external devices. The software includes operating systems, application software, and utility software. A computer performs four basic functions - input, processing, output, and storage. It takes in data through input devices, processes the data using programs, produces output through output devices, and stores processed data and instructions in memory and storage.
A computer is a machine that can be programmed to manipulate symbols. Its principal characteristics are: It responds to a specific set of instructions in a well-defined manner. It can execute a prerecorded list of instructions (a program). It can quickly store and retrieve large amounts of data.
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A computer is a machine that can be programmed to manipulate symbols. Its principal characteristics are: It responds to a specific set of instructions in a well-defined manner. It can execute a prerecorded list of instructions (a program). It can quickly store and retrieve large amounts of data.
↓↓↓↓ Read More:
Watch my videos on snack here: --> --> http://sck.io/x-B1f0Iy
@ Kindly Follow my Instagram Page to discuss about your mental health problems-
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-----> behance.net/burhanahmed1
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This PowerPoint Presentation consist the data title "Basics of Computer. This slide share will definitely helpful in all the viewers. It is framed with lot of best and attractive pictures with suitable examples and images. It will be very much useful to the beginners learners of computer. It covers the following points, viz., 1. Introduction to Computer 2. Main Parts of Computer 3. Types of Computer 4. Storage Unit vs. Memory Unit 5. Classification on Working System 6. Types of Network 7. Classification of Computer- Based on Size 8. Some Important Extensions. The above points were discussed in this powerpoint presentation.
Characteristics of Computer is There Its Too Easy and Very simple words are used in This Content and Please Comment Your Feedback and here we also Give More and More Knowledge and Unique. Computer Science all Notes are Uploaded Soon Please Keep Is Watch
Input And Output Devices
Prepared By Harsh ,Mehar , Astha and Kalpana
Students Of Birla Institute Of Technology,Patna Campus
Department: BBA Session 2016-2019
Guided By : Ritesh Ravi Sir (Our Computer Teacher)
An output device is computer hardware that uses received data and commands from a computer in order to perform a task.
Any peripheral that receives data from a computer, usually for display, projection, or physical reproduction.
Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world.
This Slides covers:
Introduction to world of Computers, Basic Structure of Computer System, Computers in Home (Reference, Education & Communications, Entertainment an Digital Media Delivery, Smart Appliances, Home Computers), Computers in Education, Computers in workplace (productivity and decision making, customer services, communications), Computers on the move (Portable and Hand held computers, Self-Service kiosks, GPS Applications), Generation of Computer, Types of Computer (Size and Technology wise), Support Systems - Hardware and Software, Computer Peripherals, Memory Management.
This PowerPoint Presentation consist the data title "Basics of Computer. This slide share will definitely helpful in all the viewers. It is framed with lot of best and attractive pictures with suitable examples and images. It will be very much useful to the beginners learners of computer. It covers the following points, viz., 1. Introduction to Computer 2. Main Parts of Computer 3. Types of Computer 4. Storage Unit vs. Memory Unit 5. Classification on Working System 6. Types of Network 7. Classification of Computer- Based on Size 8. Some Important Extensions. The above points were discussed in this powerpoint presentation.
Characteristics of Computer is There Its Too Easy and Very simple words are used in This Content and Please Comment Your Feedback and here we also Give More and More Knowledge and Unique. Computer Science all Notes are Uploaded Soon Please Keep Is Watch
Input And Output Devices
Prepared By Harsh ,Mehar , Astha and Kalpana
Students Of Birla Institute Of Technology,Patna Campus
Department: BBA Session 2016-2019
Guided By : Ritesh Ravi Sir (Our Computer Teacher)
An output device is computer hardware that uses received data and commands from a computer in order to perform a task.
Any peripheral that receives data from a computer, usually for display, projection, or physical reproduction.
Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world.
This Slides covers:
Introduction to world of Computers, Basic Structure of Computer System, Computers in Home (Reference, Education & Communications, Entertainment an Digital Media Delivery, Smart Appliances, Home Computers), Computers in Education, Computers in workplace (productivity and decision making, customer services, communications), Computers on the move (Portable and Hand held computers, Self-Service kiosks, GPS Applications), Generation of Computer, Types of Computer (Size and Technology wise), Support Systems - Hardware and Software, Computer Peripherals, Memory Management.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfKamal Acharya
The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
Maintaining high-quality standards in the production of TMT bars is crucial for ensuring structural integrity in construction. Addressing common defects through careful monitoring, standardized processes, and advanced technology can significantly improve the quality of TMT bars. Continuous training and adherence to quality control measures will also play a pivotal role in minimizing these defects.
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
1. Slide 1 of 84
TOPIC
CHAPTER 1: Introduction To Computers
A computer is a machine that manipulates data
according to a list of instructions.
A computer is a device capable of performing
computations and making logical decisions at speed
millions and even billion of times faster them human
beings can.
Computer is an electronic machine which is use for
data processing. The output which comes after
processing data through computer is known as
Information.
What is Computer?
2. Slide 2 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Why Computers?
3. Slide 3 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Zero th generation (1642 to 1945)
First Generation (1945 to 1955)
Second generation (1955 to 1965)
Third generation (1966 to 1970)
Fourth generation (1971 to 1980)
Fifth generation (1980 to present)
4. Slide 4 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Mechanical calculators was developed as
computing device.
5. Slide 5 of 84
TOPIC
CHAPTER 1: Introduction To Computers
In 1946 first electronic computer ENAIC (Electronic
Numerical Integrator and Calculator ) was developed by
Mr. J.Presper Eckert and Mr. John Manuchly at
University of Pennsylvania.
It uses 18,000 vacuum tubes and its cast was $500,000.
Its weight was 30 tons and occupied a 30 by 50 foot
space.
It produced large amount of heat.
Its speed was very slow.
6. Slide 6 of 84
TOPIC
CHAPTER 1: Introduction To Computers
7. Slide 7 of 84
TOPIC
CHAPTER 1: Introduction To Computers
In this second generation vacuum tubes was
replaced by transistors.
Speed / performance of this generation computers
was improved in comparison to first generation
computers.
Size, price , and heat produced reduced by using
transistors.
8. Slide 8 of 84
TOPIC
CHAPTER 1: Introduction To Computers
9. Slide 9 of 84
TOPIC
CHAPTER 1: Introduction To Computers
In this third generation transistors was replaced by IC’s
(Integrated Circuits i.e fabrication of thousands electronic
components on single silicon chip ).
Using this drastic reduction in the size of computers.
Speed / performance was high in comparison to third
generation.
Heat produced by computers was reduced.
10. Slide 10 of 84
TOPIC
CHAPTER 1: Introduction To Computers
11. Slide 11 of 84
TOPIC
CHAPTER 1: Introduction To Computers
In this generation IC’s are replaced by LSI (Large Scale
Integrated Circuits : more number of electronic
components on silicon chip)
These are low cast, small size and high performance in
comparisons to third generation computers
12. Slide 12 of 84
TOPIC
CHAPTER 1: Introduction To Computers
In this generation LSI are replaced by VLSI (Very
Large Scale Integrated Circuits)
Size and cost of these computers is very less and
performance is very high
13. Slide 13 of 84
TOPIC
CHAPTER 1: Introduction To Computers
A computer can be divided into two main categories:
1. Hardware
2. Software
Hardware is basically anything that you can touch
with your fingers.
For computer hardware to work it must follow a set
of instructions that is supplied to it as software.
14. Slide 14 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Hardware refers to the computer’s physical components,
• Computer Case
• CPU (central processing unit...Pentium chip)
• Monitor
• Keyboard & Mouse
• Disk Drive, Zip Drive, CD-ROM, DVD,
• Hard Drive
• Memory (RAM)
• Speakers
• Printer
15. Slide 15 of 84
TOPIC
CHAPTER 1: Introduction To Computers
The term software refers to the set of instructions
that directs the hardware to accomplish a task.
1. System Software
2. Application Software
3. Utility Software
Application
Software
System
Software (OS)
Hardware
16. Slide 16 of 84
TOPIC
CHAPTER 1: Introduction To Computers
1. System Software/Operating System
System Software are used to control all
components of computer and serves as an
interface between user and hardware.
1. Control all Components of Computer
2. Interface b/w user and Hardware
17. Slide 17 of 84
TOPIC
CHAPTER 1: Introduction To Computers
2. Application Software
Application software is used or design for the
specific purpose of the user.
for example
MS-WORD MS-POWER POINT
MS-EXCEL Acdsee
Corel Draw Paint
Game MS-ACCESS
18. Slide 18 of 84
TOPIC
CHAPTER 1: Introduction To Computers
3. Utility Software
Utility Software is used to remove any problem or
solve a complex situation in computer.
for example
Partition Magic Backup utility
Antivirus Data Recovery
Security Software Win Ghost
19. Slide 19 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Bit:
One digit, either 0 or 1
Byte:
any combination of 0 or 1.
also called an octet.
Bits n Bytes
20. Slide 20 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Computer only understand 0 or 1
0 OFF
1 ON
21. Slide 21 of 84
TOPIC
CHAPTER 1: Introduction To Computers
0001100125
10110011179
01000001A
The number 25 stored as 8 bits using the binary number system:
The number 179 stored as 8 bits using the binary number system:
The letter A stored as 8 bits using ASCII code:
= =
= =
= =
22. Slide 22 of 84
TOPIC
CHAPTER 1: Introduction To Computers
INPUT
PROCESSING
OUTPUT
Exam Results!
Information for the Exam
23. Slide 23 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Consists of four parts where each part involves one
or more specific components of the computer.
1. Input
2. Processing
3. Output
4. Storage
Information Processing Cycle
24. Slide 24 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Input Processing Output
Storage
25. Slide 25 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Input Processing Output
Storage
Data Information
Input: A computer receives
data via an input device such
as the keyboard.
26. Slide 26 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Input Processing Output
Storage
Data Information
Processing: A computer
program performs operations
on the data to transform it
into information.
27. Slide 27 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Input Processing Output
Storage
Data Information
Output: A computer produces
the output through an output
device such as the monitor to
display the result of the
processing operations.
28. Slide 28 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Input Processing Output
Storage
Data Information
Storage: A computer stores
the result of the processing
operations in a storage device
such as the hard disk.
29. Slide 29 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Input Processing Output
Storage
Adds each item
cost together
Organizes data
Computes total
due
Note book
RM 4.50 each
Eraser
RM 0.80 each
Pen
RM 1.50 each
Stapler
RM 2.20 each
30. Slide 30 of 84
TOPIC
CHAPTER 1: Introduction To Computers
So
Computer is an Electronic device which can:
1. accept data
2. process it
3. give the result after that processing
4. and also store processed data InputOutputProcessingStorage
31. Slide 31 of 84
TOPIC
CHAPTER 1: Introduction To Computers
PC four major functions are:
Input data
Process data
Output information
Store data and information
DATA IN
INFORMATION
OUT
32. Slide 32 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Data vs. Information
Data is a representation of a fact or idea
Number
Word
Picture
Sound
Information is data that has been organized or
presented in a meaningful.
examples of data
3547 Ahmad Kuala Lumpur Malaysia
examples of information
Roll No. 3547 Name-Ahmad City-Kuala Lumpur
Country-Malaysia
33. Slide 33 of 84
TOPIC
CHAPTER 1: Introduction To Computers
2 + 2 = 4
Data vs. Instruction
InstructionDATA Information
34. Slide 34 of 84
TOPIC
CHAPTER 1: Introduction To Computers
A Typical Personal Computer
System unit Display device
External deviceExternal device
Input devices
A Personal Computer:
35. Slide 35 of 84
TOPIC
CHAPTER 1: Introduction To Computers
KLMU
1 User type “KLMU”
2 Keyboard converts
characters to a binary
code; bits are transmitted
to memory and to CPU for
processing
3 All processing and storage
are done in binary form
4 Transmission to
printer is in binary
form
5 Printer converts binary code
to characters before printing
KLMU__
36. Slide 36 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Temporary
storage
Permanent
storage
OutputInput
RAM
Floppy Disk
Hard Disk
Monitor
Speaker
Printer
Webcam
Scanner
37. Slide 37 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Enter data to be processed
Keyboard
Scanners
Mouse
Trackball
Touch screen
Microphone
Game Controller
Digital camera
38. Slide 38 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Cabinet that houses all components
Motherboard
CPU
Memory modules System Unit
System Unit
39. Slide 39 of 84
TOPIC
CHAPTER 1: Introduction To Computers
A processor present in system unit is the part that is
like a computer’s brain.
A system unit is a personal computer component that
houses other devices necessary for the computer to
function.
40. Slide 40 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Chassis
Memory chips
Disk drives
The System Unit
Cooling device
Microprocessor
(under cooling device)
Power Supply
Ports
Adapter Card
41. Slide 41 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Display Device
A display device is a personal computer component
that enables users to view the text and graphical data
associated with a computer program.
42. Slide 42 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Input Devices
An input device is a personal computer component
that enables users to enter data or instructions into a
computer.
43. Slide 43 of 84
TOPIC
CHAPTER 1: Introduction To Computers
External Devices
There are several categories of external devices:
Microphone
Digital camera
Scanner
Speakers
Printer
Network device
External drive
44. Slide 44 of 84
TOPIC
CHAPTER 1: Introduction To Computers
System Unit Components
The system unit itself has several important sub-
components, such as:
System Board
Central Processing Unit (CPU)
Memory
System Bus
Storage devices
45. Slide 45 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Expansion slots
AGP slot
Ports
CPU
RAM slots
Drive interfaces
The System Board
The system board is the personal computer component that
acts as the backbone for the entire computer system.
46. Slide 46 of 84
TOPIC
CHAPTER 1: Introduction To Computers
The Central Processing Unit (CPU)
The central processing unit (CPU), sometimes
called microprocessor or just processor, is the real
brains of the computer and is where most of the
calculations take place.
47. Slide 47 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Memory
Memory is the personal computer component that
comprises the electronic storage areas in the
computer. It can be considered either volatile or
non-volatile.
48. Slide 48 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Hard Drive
Controller
Video
Controller
Memory
System Bus
CPU
The System Bus
The system bus is the main communication path
between the CPU and memory.
49. Slide 49 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Storage Devices
A storage device is a system unit component, such
as a hard drive, that enables users to save data for
reuse at a later time, even after the personal
computer is shut down and restarted.
50. Slide 50 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Internal viewExternal view
Wires from the power supply
to the system board and drives
Fan
Voltage switch
Socket for power cord
Power switch
Power Supplies
A power supply is an internal computer component that
converts AC power from an electrical outlet to the DC
power needed by system components.
51. Slide 51 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Cooling Systems
Fan
Heat sink
Computer systems contain several components that
require cooling:
The computer case
The CPU
The power supply
Some adapter cards
Some hard disk drives
52. Slide 52 of 84
TOPIC
CHAPTER 1: Introduction To Computers
PCI bus
Circuitry
Adapter Cards
An adapter card is a printed circuit board that you install
into a slot on the computer’s system board to expand
the functionality of the computer.
Phone line
connection
Circuit to
connect to
phone line
53. Slide 53 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Riser Cards
REAR
FRONT
Memory slots
PCI/ISA slots on riser
Peripheral
connectors
CPU
A riser card is a board that plugs in to the system
board and provides additional slots for adapter
cards..
54. Slide 54 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Storage Devices
The various types of storage devices used in personal
computers are:
Floppy Disk Drives (FDD)
Hard Disk Drives (HDD)
Optical Drives
Tape Drives
Solid State Storage devices
55. Slide 55 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Front view 3.5-inch floppy disk drive
3.5-inch floppy disk
Rear view of floppy disk drive
Data cable
Power cable
Floppy Disk Drives (FDD)
FDD is a personal computer storage device that reads
data from, and writes data to, removable disks made of
flexible Mylar plastic covered with a magnetic coating
and enclosed in a stiff, protective, plastic case.
56. Slide 56 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Hard Disk Drives (HDD)
HDD is a personal computer storage device that uses
fixed media, which means that the disk is built into the
drive and the drives are not removed from the computer
unless you are performing an upgrade or a repair.
57. Slide 57 of 84
TOPIC
CHAPTER 1: Introduction To Computers
An internal CD-ROM drive
An external DVD drive
A CD-R disc
Optical Disks
An optical disk is a personal computer storage device
that stores data optically, rather than magnetically.
58. Slide 58 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Types of Optical Disks and Drives
Optical disks and drives come in several types, such as:
CD-ROM
CD-R
CD-RW
DVD-ROM
DVD-R
DVD+R
DVD+R DL
DVD-RW
DVD+RW
DVD-RAM
59. Slide 59 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Tape Drives
A tape drive is a personal computer storage device that
stores data magnetically on a removable tape that is
enclosed in a tape cartridge.
60. Slide 60 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Compact Flash
card fits in here
43mm
36mm
USB adapter connects the
Compact Flash reader to
the computer
Solid State Storage
Solid state storage is a personal computer storage
device that stores data in special types of memory
instead of on disks or tape.
61. Slide 61 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Personal Computer Connection Methods
The various PC connection methods are:
Ports
Personal Computer Connections
Serial Connections
Parallel Connections
Universal Serial Bus (USB) Connections
IEEE 1394 and FireWire Connections
Small Computer Systems Interface (SCSI) Connections
Parallel ATA (PATA) Connections
Serial ATA (SATA) Connections
62. Slide 62 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Enable devices to be connected to a personal computer.
6-pin round
connector
25-pin D-shaped connector
15-pin D-shaped connector
Ports
A port is a hardware connection interface on a personal
computer that enables devices to be connected to the
computer.
63. Slide 63 of 84
TOPIC
CHAPTER 1: Introduction To Computers
USB Connector
Cable
Personal Computer Connection
A personal computer connection is a means by which
a personal computer component is attached to other
components to provide computing capabilities.
64. Slide 64 of 84
TOPIC
CHAPTER 1: Introduction To Computers
25-pin serial port
on a serial device
25-pin end of serial cable connects to modem
and 9-pin end connects to computer’s serial port
Serial Connections
A serial connection is a personal computer connection
that transfers data one bit at a time over a single wire.
65. Slide 65 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Parallel connector
Parallel cable
Parallel Connections
A parallel connection is a personal computer connection
that transfers data eight bits at a time over eight wires
and is typically used to connect a printer to a system unit.
66. Slide 66 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Type B connector
connects to USB device
Type A connector connects to
USB port on the computer
or on a hub
USB Connections
A USB connection is a personal computer connection
that enables you to connect multiple peripherals to a
single port with high performance and minimal device
configuration.
67. Slide 67 of 84
TOPIC
CHAPTER 1: Introduction To Computers
FireWire device
FireWire port
FireWire 6-pin connector
IEEE 1394 and FireWire Connections
A FireWire connection is a personal computer
connection that provides a high-speed interface for
peripheral devices that are designed to use the IEEE
1394 standard.
68. Slide 68 of 84
TOPIC
CHAPTER 1: Introduction To Computers
SCSI connector
SCSI cable
Small Computer Systems Interface (SCSI)
Connections
A SCSI connection is a personal computer connection
that connects internal and external components to the
system unit and provides for high-speed data transfer.
69. Slide 69 of 84
TOPIC
CHAPTER 1: Introduction To Computers
PATA connector
Parallel ATA (PATA) Connections
A PATA connection is a personal computer connection
that provides a parallel data channel from a disk
controller to the disk drives.
70. Slide 70 of 84
TOPIC
CHAPTER 1: Introduction To Computers
SATA data cable
SATA power cables
Serial ATA (SATA) Connections
A SATA connection is a personal computer connection
that provides a serial data channel between the drive
controller and the disk drives.
71. Slide 71 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Personal
Computer
Mobile Computer
and Mobile
Devices
Mid-Range Server
Mainframe
Computer
Supercomputer
1.5 Categories of Computer
72. Slide 72 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Personal Computer
A single-user computer that can perform all input, processing, output
and storage operations on its own.
Two types of personal computer are desktop computer and
workstation.
1.5 Categories of Computer
73. Slide 73 of 84
TOPIC
CHAPTER 1: Introduction To Computers
Notebook Computer
Portable, small enough to fit on
your lap.
Also called a laptop computer.
Usually more expensive than a
desktop computer with equal
capabilities.
1.5 Categories of Computer
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TOPIC
CHAPTER 1: Introduction To Computers
Tablet PC
A computer that is shaped like a
slate or notebook.
Normally fitted with a touch screen
for users to enter input through a
stylus.
1.5 Categories of Computer
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TOPIC
CHAPTER 1: Introduction To Computers
Handheld Computer
A small computer that can easily
be fit in one hand and operated by
the other hand.
1.5 Categories of Computer
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TOPIC
CHAPTER 1: Introduction To Computers
Personal Digital Assistant (PDA)
A small, portable computer built for
specific purposes such as for
keeping phone directories and
calendars.
1.5 Categories of Computer
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TOPIC
CHAPTER 1: Introduction To Computers
Mid-Range Server
More powerful and larger that a workstation and can
support up to 4,000 users at one time.
Formerly known as minicomputer.
1.5 Categories of Computer
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TOPIC
CHAPTER 1: Introduction To Computers
Mainframe Computer
Very powerful, expensive computer that supports
thousands of connected users
1.5 Categories of Computer
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TOPIC
CHAPTER 1: Introduction To Computers
Supercomputer
The fastest, most powerful, most
expensive computer.
Used for applications requiring complex
mathematical calculations.
1.5 Categories of Computer