บทที่5 ระบบเครือข่าย(network)
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1. The document discusses different types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). It also mentions the Internet as an international network and intranets. 2. Peer-to-peer and client/server models are described as two approaches for distributed systems. Common components of a computer system are also listed including the CPU, memory, storage, input/output devices, and system/application software. 3. Examples of network applications mentioned include video on demand, search engines, and SchoolNet Thailand which aims to support learning. Wireless technologies like WiFi, Bluetooth, and infrared are also briefly covered.
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History of Operating system
Before operating systems, computers were programmed by manually rewiring circuits and loading programs with punch cards or tape. The first operating systems allowed multiple programs to run simultaneously by having a "boss" program control memory and processor time. Early operating systems for personal computers included MS-DOS, which was controlled by typing commands, and later systems introduced graphical user interfaces controlled by a mouse. Major operating systems developed included Windows, Mac OS, Android and iOS.
Windows xp
Windows XP Professional has system requirements including a minimum of a 233MHz processor and 64MB of RAM. Before installing, users should check that their hardware meets requirements, is compatible using the automatic verification option, and has all necessary drivers. Proper installation requires partitioning disks and providing information like the product key, computer name, and network settings.
แนวข้อสอบ Os
This document discusses key concepts in operating systems including hardware, software, peopleware, and data. It describes how system calls allow applications to request services from the operating system and kernel types like monolithic, micro, and hybrid kernels. It also summarizes process states in the CPU like new, ready, running, and waiting. Additional topics covered include process control blocks, threads, CPU scheduling algorithms, and conditions that can cause deadlocks.
Lesson 2 History Of Operating System
The document summarizes the history of operating systems through four generations:
1) The 1940s saw the earliest computers which had no operating systems and programs were entered manually.
2) In the 1950s, the first operating systems were developed and systems generally ran one job at a time via batch processing.
3) The 1960s introduced multiprogramming which allowed multiple jobs to run simultaneously by switching between them. Techniques like spooling and time-sharing were also developed.
4) The fourth generation saw the rise of personal computers powered by microprocessors, with MS-DOS and UNIX becoming the dominant operating systems.
Operating system
1. Home Edition
2. Professional Edition
3. Media Center Edition
4. Tablet PC Edition
5. 64-bit Edition
6. N Edition
7. Embedded Edition
8. Starter Edition
9. Fundamentals Edition
10. IoT Edition
1. The document discusses operating systems and defines an operating system as an interface between the user and computer hardware that provides a platform for other software applications to run.
2. It provides examples of client and network operating systems such as Windows, Linux, and Unix and describes some of the main tasks of an operating system including user interface, file management, device management, memory management
องค์ประกอบของระบบสารสนเทศ
This document defines the basic components and functions of a computer system. It describes the input, central processing, output, and memory units. It also discusses system software including operating systems and utility programs. Finally, it provides examples of application software like word processors, spreadsheets, databases and games.
แนวข้อสอบระบบปฎิบัติการคอมพิวเตอร์ Os
The document discusses operating systems and their components. It covers topics like the interface between software and hardware, different types of operating systems like batch OS and network OS, concepts like multiprogramming and time-sharing, languages used by operating systems like machine language and assembly language, components of an operating system like the kernel, memory manager and I/O system, examples of operating systems like Linux and Windows, and CPU states like running, ready, and blocked.
Input output in linux
Linux treats all devices as files that can be accessed in the same way. Devices are split into three categories: block devices, character devices, and network devices. Block devices represent storage devices and allow random access to fixed size blocks of data. Character devices like keyboards are accessed sequentially one character at a time. Network devices are accessed indirectly through opening a connection to the kernel's networking subsystem rather than direct data transfer.
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History of Operating system
Before operating systems, computers were programmed by manually rewiring circuits and loading programs with punch cards or tape. The first operating systems allowed multiple programs to run simultaneously by having a "boss" program control memory and processor time. Early operating systems for personal computers included MS-DOS, which was controlled by typing commands, and later systems introduced graphical user interfaces controlled by a mouse. Major operating systems developed included Windows, Mac OS, Android and iOS.
Windows xp
Windows XP Professional has system requirements including a minimum of a 233MHz processor and 64MB of RAM. Before installing, users should check that their hardware meets requirements, is compatible using the automatic verification option, and has all necessary drivers. Proper installation requires partitioning disks and providing information like the product key, computer name, and network settings.
แนวข้อสอบ Os
This document discusses key concepts in operating systems including hardware, software, peopleware, and data. It describes how system calls allow applications to request services from the operating system and kernel types like monolithic, micro, and hybrid kernels. It also summarizes process states in the CPU like new, ready, running, and waiting. Additional topics covered include process control blocks, threads, CPU scheduling algorithms, and conditions that can cause deadlocks.
Lesson 2 History Of Operating System
The document summarizes the history of operating systems through four generations:
1) The 1940s saw the earliest computers which had no operating systems and programs were entered manually.
2) In the 1950s, the first operating systems were developed and systems generally ran one job at a time via batch processing.
3) The 1960s introduced multiprogramming which allowed multiple jobs to run simultaneously by switching between them. Techniques like spooling and time-sharing were also developed.
4) The fourth generation saw the rise of personal computers powered by microprocessors, with MS-DOS and UNIX becoming the dominant operating systems.
Operating system
1. Home Edition
2. Professional Edition
3. Media Center Edition
4. Tablet PC Edition
5. 64-bit Edition
6. N Edition
7. Embedded Edition
8. Starter Edition
9. Fundamentals Edition
10. IoT Edition
1. The document discusses operating systems and defines an operating system as an interface between the user and computer hardware that provides a platform for other software applications to run.
2. It provides examples of client and network operating systems such as Windows, Linux, and Unix and describes some of the main tasks of an operating system including user interface, file management, device management, memory management
องค์ประกอบของระบบสารสนเทศ
This document defines the basic components and functions of a computer system. It describes the input, central processing, output, and memory units. It also discusses system software including operating systems and utility programs. Finally, it provides examples of application software like word processors, spreadsheets, databases and games.
แนวข้อสอบระบบปฎิบัติการคอมพิวเตอร์ Os
The document discusses operating systems and their components. It covers topics like the interface between software and hardware, different types of operating systems like batch OS and network OS, concepts like multiprogramming and time-sharing, languages used by operating systems like machine language and assembly language, components of an operating system like the kernel, memory manager and I/O system, examples of operating systems like Linux and Windows, and CPU states like running, ready, and blocked.
Input output in linux
Linux treats all devices as files that can be accessed in the same way. Devices are split into three categories: block devices, character devices, and network devices. Block devices represent storage devices and allow random access to fixed size blocks of data. Character devices like keyboards are accessed sequentially one character at a time. Network devices are accessed indirectly through opening a connection to the kernel's networking subsystem rather than direct data transfer.
5. boot process
The document discusses the boot process including local boot, boot loaders, and remote booting. It describes the hardware initialization, BIOS storage search to identify a bootable device, loading the boot loader into memory, and examples of common boot loaders like GRUB and SYSLINUX. Remote booting can be done with or without local storage by using a network boot loader to load the OS kernel from a TFTP server after acquiring an IP address from a DHCP server.
Boot process
The document summarizes the boot process of an operating system. It begins with the BIOS executing code from the ROM chip and loading the master boot record (MBR) from the hard disk. The MBR then loads the volume boot record (VBR) from the active partition, which loads the second stage boot loader like NTLDR or GRUB. This boot loader then loads and executes the kernel, which initializes the filesystem and launches core processes.
History of operating systems
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Comparison between grub-legacy ,lilo and grub -2
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Software
This document discusses different types of software and operating systems. It covers:
1. The different types of software including system software, application software, programming software, and data backup software. It provides examples of software for each type.
2. The functions and components needed to install an operating system like Windows, including the hardware requirements for different Windows versions.
3. The process for installing Windows, including creating partitions, formatting disks, entering a product key, and setting time zones.
4. Common problems that can occur with Windows and applications software, and their potential causes and solutions.
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This document contains summaries of various malware samples, including worms, viruses, trojans, backdoors, rogues, adware, dialers, and spyware. It describes what each sample does, how it spreads, what systems it affects, and other key details. The samples cover a wide range of operating systems, including Windows and DOS, and are written in various programming languages like Visual Basic Script, Perl, and Delphi.
Grub
The document summarizes the 6 main stages of the Linux boot process:
1) The BIOS performs checks and loads the master boot record (MBR) from the hard drive.
2) The MBR loads the GRUB boot loader.
3) GRUB has two stages - stage 1 in the MBR points to stage 2, which loads the GRUB configuration file and displays the boot menu.
4) The GRUB configuration file specifies the default or chosen kernel to load from available options.
5) The kernel is loaded and starts initial processes before handing over to userspace.
6) Linux shutdown uses commands to notify users and block logins before signaling processes and powering off in
NUS SOC Print
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Booting Process OS
The document discusses the booting process of an operating system. It begins by defining a bootstrap as the process of starting up a computer and initializing the operating system during startup. The term originated from using a "bootstrap" program to load a larger operating system program. During startup, diagnostic tests are performed and the bootloader program loads the operating system. Common bootloaders mentioned include GRUB for multi-booting between operating systems, NTLDR for Windows NT, LILO for Linux, and NIC bootloaders for booting over a network.
Booting of Computer System
The document discusses the booting process of a computer system. It explains that booting is required because the hardware does not know where the operating system is located or how to load it. It needs a bootstrap loader like the BIOS to locate the kernel in memory and start its execution. It describes the minimum files (command.com, io.sys, msdos.sys) needed to boot to a DOS prompt. The boot process begins with the CPU loading a predefined memory location containing a jump instruction to the bootstrap program (stored in ROM). The BIOS then runs diagnostics, initializes devices and memory, and loads the operating system. Secondary boot loaders like GRUB can load if the active partition is invalid
bios booting process
The document discusses BIOS, the boot process, processes, and stacks. It begins by explaining that BIOS initializes hardware and loads the boot loader. It describes cold booting when powering on and warm booting for restarting the OS after a crash. A process is an executing computer program containing code and activity. Processes can create child processes and have various states like running and waiting. A stack uses LIFO to temporarily store information for program execution using a stack pointer to track the top address.
Linux booting process!!
The Linux boot process begins when the BIOS initializes hardware and runs POST tests. It then loads the boot loader like GRUB from the hard disk MBR or EFI partition. The boot loader loads the Linux kernel and initramfs into memory. The kernel initializes hardware and mounts the root filesystem. Init then starts processes for system services. Getty starts text logins. Finally, the X Window System loads for graphical desktop access.
Making your own bootloader
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Linux Boot Process
The Linux boot process begins when the BIOS performs initial checks and loads the master boot record (MBR). The MBR then loads the GRUB boot loader, which displays a menu allowing the user to select an operating system. GRUB loads the Linux kernel, which initializes devices, mounts the root filesystem, and executes the init process. Init reads the /etc/inittab file to determine the run level and loads the appropriate startup scripts to fully boot the system.
Description and basics of lilo
LILO is a bootloader that loads Linux and other operating systems from hard disks or floppy disks. It uses configuration settings stored in /etc/lilo.conf to define boot options and locations of operating system images. LILO builds tables mapping sectors used by files needed for booting and must be reinstalled when changes are made. It loads operating systems by BIOS routines and has limitations including slow loading, limited number of boot options, and BIOS restrictions on disk access.
CSC103 Operating Systems, System Software, Powershell
This document discusses system software and operating systems. It defines system software as programs that help run the computer by coordinating between applications and hardware. It notes the main components are the operating system and utility programs. The operating system manages processing, memory, storage, devices, and tasks. Common operating systems include Windows, Mac OSX, Linux, iOS, and Android. The operating system provides a graphical user interface, manages CPU instructions and devices, and prioritizes multitasking. It discusses the boot process and roles of the BIOS, POST, kernel, and system files.
boot
Booting is the process of starting a computer by loading the operating system. It involves the BIOS performing POST checks and then loading the operating system, such as MS-DOS or Windows, into memory. There are two types of booting: cold booting is a full startup including BIOS diagnostics, while hot booting uses keyboard shortcuts to restart a hung system without fully powering down.
Linux booting procedure
The document discusses the Linux booting procedure. It begins with the CPU jumping to the BIOS address when the computer is turned on. The BIOS then runs tests and loads the master boot record (MBR) from the hard disk. The MBR contains the primary boot loader that loads the Linux kernel into memory. Control is then passed to the kernel which initializes processes, mounts filesystems, and launches the init process to start essential system services and reach the default runlevel.
Operating Systems (slides)
This is my lecture slides for the OS course. It covers basic concepts about processes, virtual memory, file systems, and I/O.
Linux boot process
A tutorial for beginners who are curious to learn about the Linux boot process. If you have any more doubts, you can contact me through my email given in the slide, or through my blog: mastro77.blogspot.in
บทที่4 หลักการแนวคิดในการสื่อสาร
1. Data communication networks allow data transmission between a source and a sink using a transmission channel with encoding and decoding. Noise can interfere during transmission.
2. Common transmission methods include serial and parallel data transmission. Synchronous transmission uses timing gaps while asynchronous transmission uses start and stop bits.
3. Components for data transmission networks include servers, clients, modems, hubs, switches, routers, and gateways. Wired connections include twisted pair, coaxial cable and fiber optics, while wireless uses microwave or satellite.
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5. boot process
The document discusses the boot process including local boot, boot loaders, and remote booting. It describes the hardware initialization, BIOS storage search to identify a bootable device, loading the boot loader into memory, and examples of common boot loaders like GRUB and SYSLINUX. Remote booting can be done with or without local storage by using a network boot loader to load the OS kernel from a TFTP server after acquiring an IP address from a DHCP server.
Boot process
The document summarizes the boot process of an operating system. It begins with the BIOS executing code from the ROM chip and loading the master boot record (MBR) from the hard disk. The MBR then loads the volume boot record (VBR) from the active partition, which loads the second stage boot loader like NTLDR or GRUB. This boot loader then loads and executes the kernel, which initializes the filesystem and launches core processes.
History of operating systems
What is operating system? , what is history of operating system? , history of operating system? , operating system,
Comparison between grub-legacy ,lilo and grub -2
Point wise comparison between grub-legacy and lilo followed by the comparison between grub2 and grub-legacy
Software
This document discusses different types of software and operating systems. It covers:
1. The different types of software including system software, application software, programming software, and data backup software. It provides examples of software for each type.
2. The functions and components needed to install an operating system like Windows, including the hardware requirements for different Windows versions.
3. The process for installing Windows, including creating partitions, formatting disks, entering a product key, and setting time zones.
4. Common problems that can occur with Windows and applications software, and their potential causes and solutions.
D
This document contains summaries of various malware samples, including worms, viruses, trojans, backdoors, rogues, adware, dialers, and spyware. It describes what each sample does, how it spreads, what systems it affects, and other key details. The samples cover a wide range of operating systems, including Windows and DOS, and are written in various programming languages like Visual Basic Script, Perl, and Delphi.
Grub
The document summarizes the 6 main stages of the Linux boot process:
1) The BIOS performs checks and loads the master boot record (MBR) from the hard drive.
2) The MBR loads the GRUB boot loader.
3) GRUB has two stages - stage 1 in the MBR points to stage 2, which loads the GRUB configuration file and displays the boot menu.
4) The GRUB configuration file specifies the default or chosen kernel to load from available options.
5) The kernel is loaded and starts initial processes before handing over to userspace.
6) Linux shutdown uses commands to notify users and block logins before signaling processes and powering off in
NUS SOC Print
A talk I gave at NUS Hackers about my iOS/Android apps I developed to print to Unix printers at NUS School of Computing.
Booting Process OS
The document discusses the booting process of an operating system. It begins by defining a bootstrap as the process of starting up a computer and initializing the operating system during startup. The term originated from using a "bootstrap" program to load a larger operating system program. During startup, diagnostic tests are performed and the bootloader program loads the operating system. Common bootloaders mentioned include GRUB for multi-booting between operating systems, NTLDR for Windows NT, LILO for Linux, and NIC bootloaders for booting over a network.
Booting of Computer System
The document discusses the booting process of a computer system. It explains that booting is required because the hardware does not know where the operating system is located or how to load it. It needs a bootstrap loader like the BIOS to locate the kernel in memory and start its execution. It describes the minimum files (command.com, io.sys, msdos.sys) needed to boot to a DOS prompt. The boot process begins with the CPU loading a predefined memory location containing a jump instruction to the bootstrap program (stored in ROM). The BIOS then runs diagnostics, initializes devices and memory, and loads the operating system. Secondary boot loaders like GRUB can load if the active partition is invalid
bios booting process
The document discusses BIOS, the boot process, processes, and stacks. It begins by explaining that BIOS initializes hardware and loads the boot loader. It describes cold booting when powering on and warm booting for restarting the OS after a crash. A process is an executing computer program containing code and activity. Processes can create child processes and have various states like running and waiting. A stack uses LIFO to temporarily store information for program execution using a stack pointer to track the top address.
Linux booting process!!
The Linux boot process begins when the BIOS initializes hardware and runs POST tests. It then loads the boot loader like GRUB from the hard disk MBR or EFI partition. The boot loader loads the Linux kernel and initramfs into memory. The kernel initializes hardware and mounts the root filesystem. Init then starts processes for system services. Getty starts text logins. Finally, the X Window System loads for graphical desktop access.
Making your own bootloader
Step by step process to create a program that boots at start-up in assembly language and making bootable pendrive or floppy drive
Linux Boot Process
The Linux boot process begins when the BIOS performs initial checks and loads the master boot record (MBR). The MBR then loads the GRUB boot loader, which displays a menu allowing the user to select an operating system. GRUB loads the Linux kernel, which initializes devices, mounts the root filesystem, and executes the init process. Init reads the /etc/inittab file to determine the run level and loads the appropriate startup scripts to fully boot the system.
Description and basics of lilo
LILO is a bootloader that loads Linux and other operating systems from hard disks or floppy disks. It uses configuration settings stored in /etc/lilo.conf to define boot options and locations of operating system images. LILO builds tables mapping sectors used by files needed for booting and must be reinstalled when changes are made. It loads operating systems by BIOS routines and has limitations including slow loading, limited number of boot options, and BIOS restrictions on disk access.
CSC103 Operating Systems, System Software, Powershell
This document discusses system software and operating systems. It defines system software as programs that help run the computer by coordinating between applications and hardware. It notes the main components are the operating system and utility programs. The operating system manages processing, memory, storage, devices, and tasks. Common operating systems include Windows, Mac OSX, Linux, iOS, and Android. The operating system provides a graphical user interface, manages CPU instructions and devices, and prioritizes multitasking. It discusses the boot process and roles of the BIOS, POST, kernel, and system files.
boot
Booting is the process of starting a computer by loading the operating system. It involves the BIOS performing POST checks and then loading the operating system, such as MS-DOS or Windows, into memory. There are two types of booting: cold booting is a full startup including BIOS diagnostics, while hot booting uses keyboard shortcuts to restart a hung system without fully powering down.
Linux booting procedure
The document discusses the Linux booting procedure. It begins with the CPU jumping to the BIOS address when the computer is turned on. The BIOS then runs tests and loads the master boot record (MBR) from the hard disk. The MBR contains the primary boot loader that loads the Linux kernel into memory. Control is then passed to the kernel which initializes processes, mounts filesystems, and launches the init process to start essential system services and reach the default runlevel.
Operating Systems (slides)
This is my lecture slides for the OS course. It covers basic concepts about processes, virtual memory, file systems, and I/O.
Linux boot process
A tutorial for beginners who are curious to learn about the Linux boot process. If you have any more doubts, you can contact me through my email given in the slide, or through my blog: mastro77.blogspot.in
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CSC103 Operating Systems, System Software, Powershell
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บทที่4 หลักการแนวคิดในการสื่อสาร
1. Data communication networks allow data transmission between a source and a sink using a transmission channel with encoding and decoding. Noise can interfere during transmission.
2. Common transmission methods include serial and parallel data transmission. Synchronous transmission uses timing gaps while asynchronous transmission uses start and stop bits.
3. Components for data transmission networks include servers, clients, modems, hubs, switches, routers, and gateways. Wired connections include twisted pair, coaxial cable and fiber optics, while wireless uses microwave or satellite.
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3. Networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems
เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over large geographic areas.
2. Computer networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet allows controlled access to outside users. The Internet is a worldwide public network that connects millions of other networks.
3. Networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems
02 computer components
The document discusses various computer components including hardware like processors, memory, storage and input/output devices, as well as software components like operating systems, utility programs, middleware, and application software. It also covers emerging technologies, database systems, and trends in hardware components over time as technologies advanced and prices declined according to Moore's Law.
Chapter 05
The document discusses input/output (I/O) hardware and software principles including:
1) I/O hardware principles such as device controllers that convert data between devices and memory and direct memory access (DMA) that allows direct transfer of data between device and memory.
2) I/O software goals like device independence and different approaches to I/O like programmed, interrupt-driven, and DMA-based I/O.
3) Specific I/O devices and interfaces like disks, clocks, terminals, graphical interfaces, and networks.
Main notes (1)
The document provides information about various computer hardware and software concepts. It defines BIOS and its role in interfacing hardware components with the operating system. It lists common hardware components of desktops and laptops such as the CPU, motherboard, RAM, hard drives, etc. It describes hard disk partitions, the difference between RAM and ROM, device drivers, the Blue Screen of Death (BSOD), and more.
ประวัติคอมพิวเตอร์
1) There are two main types of computers: analog computers that process continuous data from analog signals, and digital computers that process discrete data from digital signals using counters. A hybrid computer combines both analog and digital components.
2) Computers can be specialized for specific tasks and inflexible, or general purpose and flexible to complete many different tasks. Super computers are very powerful machines used for tasks like NASA missions, while mainframe computers support networks of users through terminals.
3) Personal computers evolved from desktop PCs to include portable laptop and notebook computers. Operating systems progressed from single-tasking MS-DOS to the graphical multi-tasking Windows 95, 98, 2000, ME and XP systems that supported different
Final srs
This document is a software requirements specification for an E-Cops application. It outlines the purpose, scope, technologies and overall description of the system. Key elements include allowing citizens to register complaints online, maintaining criminal records, and enabling communication between police officers, magistrates and other stations. The use cases describe functions for an administrator to manage users and roles, and for police officers to take complaints, check identifications, and share case details.
Computer
The document contains 20 multiple choice questions related to computer fundamentals and IT concepts. The questions cover topics such as data types, binary operations, printer specifications, operating systems, and DOS commands.
บทที่ 3 โครงสร้างของระบบปฏิบัติการ
1. The document discusses the major components of operating system structures including process management, main memory management, file management, I/O system management, secondary storage management, networking, protection systems, and command interpreter systems.
2. It also describes operating system services such as program execution, I/O operations, file system manipulation, communications, error detection, and resource allocation.
3. The types of system calls are outlined related to process control, file manipulation, device manipulation, information maintenance, and communication.
Similar to บทที่5 ระบบเครือข่าย(network) (20)
1500 mcq questions of computer knowledge for bank exams
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บทที่8 เครื่องมือเข้าถึงสารสนเทศ
1. Manual library systems used catalog cards and index cards to provide access to information, while automated systems use OPACs, online databases, CD-ROMs, and the internet.
2. Common manual catalog cards included author, title, subject, and call number cards. Automated systems provide access through OPAC interfaces, bibliographic databases, full-text databases, and web search engines.
3. Modern libraries offer access to information through a variety of digital means like institutional web OPACs, e-books, meta search engines, and online library catalogs and databases available on the internet.
บทที่7 การจัดการทรัพยากรสารสนเทศ
This document provides instructions on how to convert video files to different formats using Blaze Video Magic software. It includes steps to download and install the software, select the input and output formats and paths, and start the file conversion process. Examples of common file types and their descriptions are also listed.
The document also provides several URLs and online resources for additional information on topics like using FTP clients, Wikipedia pages, video tutorials, and university webpages.
บทที่6 ระบบซอฟแวร์
This document discusses different types of computer software including operating systems, application software, and system software. It provides examples of operating systems like DOS, Unix, Windows XP, and describes application software for productivity like Excel. It also outlines some hardware components of a basic computer system and provides examples of uses for software in education settings like computer-assisted instruction, video projectors, and search engines.
งานนำเสนอ..3
En el proceso de comunicación de datos, la fuente codifica los datos para su transmisión a través de un canal, el cual puede introducir ruido durante la transmisión. Al recibir los datos, el destino los decodifica para reconstruir el mensaje original.
บทที่2 ความก้าวหน้าทางเทคโนโลยีสารสนเทศ
1. The document discusses the evolution of information technology from batch processing to online processing and databases. It also mentions artificial intelligence and expert systems.
2. Various applications of information technology are listed including barcodes, video projectors, computer-assisted instruction, multimedia, web-based instruction, e-learning, video on demand, and search engines.
3. The world wide web and its basic components like URLs, HTTP, and websites are briefly explained.
บทที่ 1
1. The document discusses key concepts in information technology including data, information, knowledge, primary and secondary data, quantitative and qualitative data, personal, environmental and behavioral data, and departmental, enterprise, and interorganizational information systems.
2. It also covers ICT components like hardware, software, data, procedures, people, and roles. Communication types and technologies are defined along with management information systems.
3. Examples of early IT systems and components from IBM are provided.
บทที่ 1 เทคโนโลยีสารสนเทศ
1. The document discusses key concepts in information technology including data, information, knowledge, primary and secondary data, quantitative and qualitative data, personal, environmental and behavioral data, and departmental, enterprise, and interorganizational information systems.
2. It also covers ICT components like hardware, software, data, procedures, people, and roles. Communication types and technologies are defined along with management information systems.
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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บทที่5 ระบบเครือข่าย(network)
- 2. - -
- 4. , , ,
- 5. 4
- 6. 1. Local Area Network LAN 2. Metropolitan Area Netwo MAN
- 7. 3. Wide Area Network 1 4. (International Network ) “ ” (A network of networks)
- 8. 5. (Intranet) 6. Intranet)
- 9. - Peer To Peer Peer To Peer Distributed System) Peer To Peer Windows for Workgroup Personal Netware
- 10. - Client / Server Distributed Processing
- 12. CPU) CPU : Central Processing Unit ) Clock
- 13. Input Unit)
- 14. Output Unit) Monitor) Printer) (Speaker)
- 15. Memory Unit) 2 ROM : Read Only Memory) RAM : Random Access Memory) SDRAM , RDRAM
- 16. (Storage Unit)
- 18. -
- 19. - system software) application software) 1.
- 20. 2.
- 21. Operating System : OS) (Disk Operating System : DOS) Windows) OS/2) (UNIX)
- 22. 1) 2) 3) 4)
- 23. 1) 2) 3) 4)
- 24. - 1) 2) 3)
- 25. 4) 5)
- 26. -
- 32. 1. Learning to know) 2. Learning to do) 3 Learning to live together) Learning to be)
- 33. ETC)
- 34. 1.
- 35. - - - - Video on Demand) - Search Engine) -
- 37. 1. Peer-to-Peer Multiple access points and roaming Use of an Extension Point Client/server
- 40. 2. ATM) LAN WAN Internet Intranet
- 43. 3. Wireless Fidelity-wifi) Bluetooth) Infra-Red) HomeRF)
- 46. 4.
- 49. 5.
- 53. http://www.thaigoodview.com/library/contest2551/te http://thaiwinadmin.blogspot.com/2007/12/kb-12200 ch04/20/test/pretest.html http://web.ku.ac.th/schoolnet/snet1/softwar e/software/index.html http://www.csjoy.com/st ory/net/tne.htm http://www.lks.ac.th/anchalee/software.htm http://www.csjoy.com/story/net/tne.h http://www.thaigoodview.com/library/contest tm tech wired/n html http://forum.datatan.net/index.p http://forum.datatan.net/index.php hp/topic,143.0.html /topic,126.0.html