Week13
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The document discusses how MP3 music files work by compressing audio from CDs into the MP3 format using encoding software. It describes CDs as storing uncompressed audio data that can be ripped using software and compressed into the MP3 format, which is a common speech compression method that allows for smaller file sizes while still maintaining good audio quality. Permission is then required to access and use the encoded MP3 files.
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English Week12
MP3 is an audio file format that allows for high compression by sacrificing some tone quality. MP3 rippers are used to rip audio from CDs and DVDs and convert it to the MP3 format. MP3 players, like iPods, allow users to store and listen to music files in the MP3 format. Other common audio formats include WMA, developed by Microsoft, and WAV, used for game sounds and effects.
Storage devices
The document discusses various computer storage devices and their characteristics. It describes primary storage RAM and secondary storage devices like hard disk drives. It explains what RAM and ROM are, their differences, and provides examples of different types of storage media like CD-ROMs, DVDs, hard disks, floppy disks, flash memory, and how many bytes and bits are used to store data.
Memory devices
The document summarizes different types of storage devices used in computers. It discusses primary storage devices like ROM and RAM that provide temporary data storage and secondary storage devices like optical discs (CDs, DVDs, Blu-ray discs) and magnetic storage (hard disks, pen drives, memory cards) that provide permanent and portable storage. Optical discs can be read-only, recordable, or rewritable while magnetic storage allows editing, reusing, and rewriting data. Common uses of these secondary storage devices include permanently storing data with read-only optical discs, temporarily storing and transferring data with rewritable optical discs and removable magnetic storage, and mass storage of software, applications, and files with hard disks.
How MP3 Music Files Work
The document discusses MP3 music files. It explains that MP3 files are a popular format for distributing music online as they significantly reduce file sizes while maintaining good audio quality. The process involves converting music from CDs into the compressed MP3 format. While MP3 files allow for easy sharing of music, their use of lossy compression can raise copyright issues if the artist's permission is not obtained.
Week12 Presentation
MP3 files allow for small, high-quality music files by compressing audio from CDs without losing too much quality. Software called rippers are used to convert CDs to MP3s for smaller file sizes. MP3s can then be downloaded and played on computers or transferred to portable MP3 players.
Computer Hardwares for Class 1
This document provides an overview of the key components of a computer system, including the motherboard, CPU, RAM, storage devices, and input/output components. It describes the functions of the motherboard to connect and control various components. It explains RAM and how it is used for temporary storage. It also compares the speeds, capacities and costs of different storage devices like floppy disks, hard disk drives, and CD-ROM drives.
Revision2 Storage
RAM is temporary storage that is volatile and clears when power is turned off, while ROM is permanent internal storage used to boot up a computer. Mass storage devices like hard disks and optical disks provide larger but slower storage than internal memory. Hard disks use magnetic disks to allow random access storage, while optical disks like CDs, DVDs, and Blu-ray use lasers to read serially accessed data at different storage capacities. Flash memory, memory cards, magnetic tapes, and floppy disks provide portable but slower storage options than internal memory. Backing up data involves copying it to a separate storage device for protection, while archiving removes old data to free up space.
Hardware it presentation
The document discusses various computer hardware components including:
1. The keyboard, mouse, hard disk drive, CD-ROM drive, floppy disk drive, motherboard, microprocessor, RAM, and power supply are described as the primary physical components of a computer system.
2. Details are provided on the purpose and evolution of each component, for example keyboards have additional keys now and mice evolved from mechanical to optical models.
3. Types of each component are listed, such as AT, PS/2, and USB keyboards, and SATA, SCSI and ATA hard disk interfaces.
Recommended
English Week12
MP3 is an audio file format that allows for high compression by sacrificing some tone quality. MP3 rippers are used to rip audio from CDs and DVDs and convert it to the MP3 format. MP3 players, like iPods, allow users to store and listen to music files in the MP3 format. Other common audio formats include WMA, developed by Microsoft, and WAV, used for game sounds and effects.
Storage devices
The document discusses various computer storage devices and their characteristics. It describes primary storage RAM and secondary storage devices like hard disk drives. It explains what RAM and ROM are, their differences, and provides examples of different types of storage media like CD-ROMs, DVDs, hard disks, floppy disks, flash memory, and how many bytes and bits are used to store data.
Memory devices
The document summarizes different types of storage devices used in computers. It discusses primary storage devices like ROM and RAM that provide temporary data storage and secondary storage devices like optical discs (CDs, DVDs, Blu-ray discs) and magnetic storage (hard disks, pen drives, memory cards) that provide permanent and portable storage. Optical discs can be read-only, recordable, or rewritable while magnetic storage allows editing, reusing, and rewriting data. Common uses of these secondary storage devices include permanently storing data with read-only optical discs, temporarily storing and transferring data with rewritable optical discs and removable magnetic storage, and mass storage of software, applications, and files with hard disks.
How MP3 Music Files Work
The document discusses MP3 music files. It explains that MP3 files are a popular format for distributing music online as they significantly reduce file sizes while maintaining good audio quality. The process involves converting music from CDs into the compressed MP3 format. While MP3 files allow for easy sharing of music, their use of lossy compression can raise copyright issues if the artist's permission is not obtained.
Week12 Presentation
MP3 files allow for small, high-quality music files by compressing audio from CDs without losing too much quality. Software called rippers are used to convert CDs to MP3s for smaller file sizes. MP3s can then be downloaded and played on computers or transferred to portable MP3 players.
Computer Hardwares for Class 1
This document provides an overview of the key components of a computer system, including the motherboard, CPU, RAM, storage devices, and input/output components. It describes the functions of the motherboard to connect and control various components. It explains RAM and how it is used for temporary storage. It also compares the speeds, capacities and costs of different storage devices like floppy disks, hard disk drives, and CD-ROM drives.
Revision2 Storage
RAM is temporary storage that is volatile and clears when power is turned off, while ROM is permanent internal storage used to boot up a computer. Mass storage devices like hard disks and optical disks provide larger but slower storage than internal memory. Hard disks use magnetic disks to allow random access storage, while optical disks like CDs, DVDs, and Blu-ray use lasers to read serially accessed data at different storage capacities. Flash memory, memory cards, magnetic tapes, and floppy disks provide portable but slower storage options than internal memory. Backing up data involves copying it to a separate storage device for protection, while archiving removes old data to free up space.
Hardware it presentation
The document discusses various computer hardware components including:
1. The keyboard, mouse, hard disk drive, CD-ROM drive, floppy disk drive, motherboard, microprocessor, RAM, and power supply are described as the primary physical components of a computer system.
2. Details are provided on the purpose and evolution of each component, for example keyboards have additional keys now and mice evolved from mechanical to optical models.
3. Types of each component are listed, such as AT, PS/2, and USB keyboards, and SATA, SCSI and ATA hard disk interfaces.
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This document discusses the components of computer hardware and software. It describes peripherals such as monitors, keyboards, and printers that connect to computers. It also mentions inner hardware components like the motherboard. The document outlines different types of computer memory, including RAM and ROM. It defines system software such as operating systems and utility programs, and application software for tasks like word processing, databases, graphics, and presentations.
The parts of a computer and how it
The document discusses the key components of a computer and how they work, including:
- Memory components like RAM, ROM, and their functions for temporary and permanent storage. RAM controls moment-to-moment processes while ROM is permanent memory.
- Other memory types like cache and virtual memory that supplement RAM.
- Storage devices like hard disks that store files and software on metal platters, and portable options like thumb drives that replaced floppy disks.
- Optical disks like CDs and DVDs that use lasers to read and write data in pits on a disk surface for storage and mobility.
- The microprocessor that controls data flow and sorting, and input/output devices like keyboards,
Storage devices used in cmp13to14
The document discusses various storage devices used in computers. It describes magnetic storage devices like diskettes, hard disks, high capacity floppy disks, disk cartridges, and magnetic tape. It also outlines optical storage devices such as CD-ROM, DVD-ROM, CD-R, CD-RW, and Photo CD. Magnetic storage devices use magnetic media to store data while optical storage utilizes lasers to read and write digital information to discs.
Suraido
MP3 files use lossy compression to reduce audio file sizes. Software like iTunes and Windows Media Player can be used to play MP3 files on devices like the iPod. The MP3 format has become popular due to its portability and ability to easily store and access music files.
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Tuneup is a software program that improves overall PC performance. It automatically detects and fixes various problems, optimizes for less powerful computers, and provides tools to clean unused files, repair the hard drive, analyze and fix registry issues, optimize memory, defragment the registry, and identify system slowdowns. It also includes management tools to monitor processes, edit the registry, uninstall programs, and securely delete files. Tuneup is a powerful suite of utilities that can help maintain and improve any PC's performance.
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The document outlines several key components of a computer and their functions. The power supply provides power for the computer to run. The motherboard is the main circuit board that allows components to communicate. The hard drive is mass storage, while the processor acts as the brain and RAM provides memory. The video card generates images and CD drives read discs.
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This document discusses different types of computer memory including primary memory like RAM which uses SRAM and DRAM, and secondary memory like hard drives, solid state drives, optical discs, floppy disks, and magnetic tape. Primary memory is directly accessible by the CPU and allows for fast read/write but loses data when powered off, while secondary memory provides permanent storage but is slower to access.
storage devices
Computer memory can be divided into primary and secondary storage. Primary storage includes RAM, which is volatile and temporarily stores active data. Secondary storage includes various disk-based and optical storage like hard disks, CDs, DVDs, and USB drives, which provide larger but slower storage that is not lost when the computer is turned off. Common examples of secondary storage media are hard disks, CDs, DVDs, and USB flash drives.
Assignment 2.1
The document discusses several key components of a computer system:
- Hard disks store and provide quick access to large amounts of data, starting as large 20-inch disks holding a few megabytes and evolving into smaller hard disks.
- Floppy disks were small removable devices that recorded and added data until superseded by CD-ROM drives, initially holding 360 kilobytes on 5.25-inch disks.
- Main memory (RAM) provides fast temporary storage so the CPU can quickly access data rather than retrieving it from the slower hard drive.
- The processor (CPU) is the main computing element, initially able to perform only basic math and now able to perform tasks on 32-bit or larger data.
Ram
RAM is a type of volatile memory that temporarily stores data. There are different types of RAM such as EDO, SRAM, DRAM, SDRAM, DDRRAM, and RDRAM. SDRAM has 2 notches, 168 pins, and installs in SIMM sockets on motherboards. DDRRAM is faster than SDRAM, installs in DIMM slots on motherboards with a single notch, uses less power, and comes in types like DDR I, DDR II, and DDR III. Common RAM manufacturers include Mercury, Transcend, Kingston, LG, Hynix, and HP.
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The document discusses how MP3 music files work by describing the software, CDs, MP3 format, and permissions. It explains that software is a computer program that provides instructions for operating a computer. CDs are used to engrave and store data. MP3 is a common speech compression format developed from MPEG. Permissions determine a user's access to files and directories on a computer's hard disk.
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An intranet uses firewalls, CGI, groupware, and HTML to share information and support communication within a company. Firewalls prevent outside access to the company network. CGI programs are run by web servers to process requests. Groupware software shares plans and promotes efficient communication to support team tasks. HTML uses tags to describe web pages.
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Week12h
This document discusses MP3 music files and the related technologies. It explains that ripper software is used to extract and compress audio from a CD into an MP3 file format. This lossy compression reduces the file size significantly while still maintaining good audio quality for most listeners. MP3 files can be created at different bitrates that determine the quality and file size. MP3 players were used to play these compressed digital music files and newer digital audio players support additional codecs like AAC. Compact discs are optical discs that store digital data, including music in a digital format.
Pre Week12
1) MP3 files are created by using MP3 ripper software to compress audio from music CDs into the MP3 format without loss of sound quality.
2) MP3 is an audio compression method that can compress CD quality audio into about 1/11 of its original size while maintaining average quality. It does this by removing inaudible data.
3) A compact disc (CD) is an optical disc used for storing digital audio. Standard CDs can hold up to 80 minutes of audio and have a diameter of 120mm.
Unit 1 (lo1) revision help
This document provides definitions and examples for key terms related to portable devices, operating systems, application software, storage devices, and connectivity. It defines portable devices as electronic devices that can be carried easily, listing laptops, netbooks, phones, tablets, and media players as examples. It defines operating systems as software that allows communication between computer hardware and users. It provides examples like Android, iOS, Windows, and Linux. It defines application software as programs installed on operating systems to perform tasks, providing examples like word processors and browsers. It defines storage devices for storing files and lists examples like flash drives, hard drives, CDs/DVDs, and online storage. It briefly defines magnetic media and its obsolescence.
Web Presen
The document discusses MP3 music files and related topics including File Transfer Protocol (FTP), MP3 format, copyright, and CDs. It provides details on how FTP is used to exchange files over networks, how MP3 is a patented digital audio format using lossy compression, the exclusive rights copyright provides to authors, and how CDs store up to 80 minutes of audio data.
Web Presen
The document discusses MP3 music files and related topics including File Transfer Protocol (FTP), MP3 format, copyright, and CDs. It provides details on how FTP is used to exchange files over networks, how MP3 is a patented digital audio format using lossy compression, the exclusive rights copyright provides to authors, and how CDs store up to 80 minutes of audio data.
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This document discusses the components of computer hardware and software. It describes peripherals such as monitors, keyboards, and printers that connect to computers. It also mentions inner hardware components like the motherboard. The document outlines different types of computer memory, including RAM and ROM. It defines system software such as operating systems and utility programs, and application software for tasks like word processing, databases, graphics, and presentations.
The parts of a computer and how it
The document discusses the key components of a computer and how they work, including:
- Memory components like RAM, ROM, and their functions for temporary and permanent storage. RAM controls moment-to-moment processes while ROM is permanent memory.
- Other memory types like cache and virtual memory that supplement RAM.
- Storage devices like hard disks that store files and software on metal platters, and portable options like thumb drives that replaced floppy disks.
- Optical disks like CDs and DVDs that use lasers to read and write data in pits on a disk surface for storage and mobility.
- The microprocessor that controls data flow and sorting, and input/output devices like keyboards,
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The document discusses various storage devices used in computers. It describes magnetic storage devices like diskettes, hard disks, high capacity floppy disks, disk cartridges, and magnetic tape. It also outlines optical storage devices such as CD-ROM, DVD-ROM, CD-R, CD-RW, and Photo CD. Magnetic storage devices use magnetic media to store data while optical storage utilizes lasers to read and write digital information to discs.
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MP3 files use lossy compression to reduce audio file sizes. Software like iTunes and Windows Media Player can be used to play MP3 files on devices like the iPod. The MP3 format has become popular due to its portability and ability to easily store and access music files.
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Tuneup is a software program that improves overall PC performance. It automatically detects and fixes various problems, optimizes for less powerful computers, and provides tools to clean unused files, repair the hard drive, analyze and fix registry issues, optimize memory, defragment the registry, and identify system slowdowns. It also includes management tools to monitor processes, edit the registry, uninstall programs, and securely delete files. Tuneup is a powerful suite of utilities that can help maintain and improve any PC's performance.
Insides Of A Computer
The document outlines several key components of a computer and their functions. The power supply provides power for the computer to run. The motherboard is the main circuit board that allows components to communicate. The hard drive is mass storage, while the processor acts as the brain and RAM provides memory. The video card generates images and CD drives read discs.
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This document discusses different types of computer memory including primary memory like RAM which uses SRAM and DRAM, and secondary memory like hard drives, solid state drives, optical discs, floppy disks, and magnetic tape. Primary memory is directly accessible by the CPU and allows for fast read/write but loses data when powered off, while secondary memory provides permanent storage but is slower to access.
storage devices
Computer memory can be divided into primary and secondary storage. Primary storage includes RAM, which is volatile and temporarily stores active data. Secondary storage includes various disk-based and optical storage like hard disks, CDs, DVDs, and USB drives, which provide larger but slower storage that is not lost when the computer is turned off. Common examples of secondary storage media are hard disks, CDs, DVDs, and USB flash drives.
Assignment 2.1
The document discusses several key components of a computer system:
- Hard disks store and provide quick access to large amounts of data, starting as large 20-inch disks holding a few megabytes and evolving into smaller hard disks.
- Floppy disks were small removable devices that recorded and added data until superseded by CD-ROM drives, initially holding 360 kilobytes on 5.25-inch disks.
- Main memory (RAM) provides fast temporary storage so the CPU can quickly access data rather than retrieving it from the slower hard drive.
- The processor (CPU) is the main computing element, initially able to perform only basic math and now able to perform tasks on 32-bit or larger data.
Ram
RAM is a type of volatile memory that temporarily stores data. There are different types of RAM such as EDO, SRAM, DRAM, SDRAM, DDRRAM, and RDRAM. SDRAM has 2 notches, 168 pins, and installs in SIMM sockets on motherboards. DDRRAM is faster than SDRAM, installs in DIMM slots on motherboards with a single notch, uses less power, and comes in types like DDR I, DDR II, and DDR III. Common RAM manufacturers include Mercury, Transcend, Kingston, LG, Hynix, and HP.
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Corporate firewalls work by using a proxy server to connect internal networks to the internet instead of connecting directly. An administrator sets up the firewall which uses FTP to forward files over TCP/IP networks between the internal network and the internet through the proxy server. The administrator then manages both the computer systems and the network protected by the firewall.
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The document discusses how MP3 music files work by describing the software, CDs, MP3 format, and permissions. It explains that software is a computer program that provides instructions for operating a computer. CDs are used to engrave and store data. MP3 is a common speech compression format developed from MPEG. Permissions determine a user's access to files and directories on a computer's hard disk.
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Week12h
This document discusses MP3 music files and the related technologies. It explains that ripper software is used to extract and compress audio from a CD into an MP3 file format. This lossy compression reduces the file size significantly while still maintaining good audio quality for most listeners. MP3 files can be created at different bitrates that determine the quality and file size. MP3 players were used to play these compressed digital music files and newer digital audio players support additional codecs like AAC. Compact discs are optical discs that store digital data, including music in a digital format.
Pre Week12
1) MP3 files are created by using MP3 ripper software to compress audio from music CDs into the MP3 format without loss of sound quality.
2) MP3 is an audio compression method that can compress CD quality audio into about 1/11 of its original size while maintaining average quality. It does this by removing inaudible data.
3) A compact disc (CD) is an optical disc used for storing digital audio. Standard CDs can hold up to 80 minutes of audio and have a diameter of 120mm.
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The document discusses MP3 music files and related topics including File Transfer Protocol (FTP), MP3 format, copyright, and CDs. It provides details on how FTP is used to exchange files over networks, how MP3 is a patented digital audio format using lossy compression, the exclusive rights copyright provides to authors, and how CDs store up to 80 minutes of audio data.
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Barbie Movie Review - The Astras.pdfffff
Barbie Movie Review has gotten brilliant surveys for its fun and creative story. Coordinated by Greta Gerwig, it stars Margot Robbie as Barbie and Ryan Gosling as Insight. Critics adore its perky humor, dynamic visuals, and intelligent take on the notorious doll's world. It's lauded for being engaging for both kids and grown-ups. The Astras profoundly prescribes observing the Barbie Review for a delightful and colorful cinematic involvement.https://theastras.com/hca-member-gradebooks/hca-gradebook-barbie/
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留信网认证的作用:
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2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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Leonardo DiCaprio, a name synonymous with Hollywood stardom and acting excellence. has captivated audiences for decades with his talent and charisma. But, the Leonardo DiCaprio haircut is one aspect of his public persona that has garnered attention. From his early days as a teenage heartthrob to his current status as a seasoned actor and environmental activist. DiCaprio's hairstyles have evolved. reflecting both his personal growth and the changing trends in fashion. This article delves into the many phases of the Leonardo DiCaprio haircut. exploring its significance and impact on pop culture.
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https://www.theurbancrews.com/celeb/matt-rife-cancels-bloomington-show/
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Introduction
In the realm of entertainment, few names resonate as Orpah Winfrey Dwayne Johnson. Both figures have carved unique paths in the industry. achieving unparalleled success and becoming iconic symbols of perseverance, resilience, and inspiration. This article delves into the lives, careers. and enduring legacies of Orpah Winfrey Dwayne Johnson. exploring how their journeys intersect and what we can learn from their remarkable stories.
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Early Life and Backgrounds
Orpah Winfrey: From Humble Beginnings to Media Mogul
Orpah Winfrey, often known as Oprah due to a misspelling on her birth certificate. was born on January 29, 1954, in Kosciusko, Mississippi. Raised in poverty by her grandmother, Winfrey's early life was marked by hardship and adversity. Despite these challenges. she demonstrated a keen intellect and an early talent for public speaking.
Winfrey's journey to success began with a scholarship to Tennessee State University. where she studied communication. Her first job in media was as a co-anchor for the local evening news in Nashville. This role paved the way for her eventual transition to talk show hosting. where she found her true calling.
Dwayne Johnson: From Wrestling Royalty to Hollywood Superstar
Dwayne Johnson, also known by his ring name "The Rock," was born on May 2, 1972, in Hayward, California. He comes from a family of professional wrestlers, with both his father, Rocky Johnson. and his grandfather, Peter Maivia, being notable figures in the wrestling world. Johnson's early life was spent moving between New Zealand and the United States. experiencing a variety of cultural influences.
Before entering the world of professional wrestling. Johnson had aspirations of becoming a professional football player. He played college football at the University of Miami. where he was part of a national championship team. But, injuries curtailed his football career, leading him to follow in his family's footsteps and enter the wrestling ring.
Career Milestones
Orpah Winfrey: The Queen of All Media
Winfrey's career breakthrough came in 1986 when she launched "The Oprah Winfrey Show." The show became a cultural phenomenon. drawing millions of viewers daily and earning many awards. Winfrey's empathetic and candid interviewing style resonated with audiences. helping her tackle diverse and often challenging topics.
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In the early 20
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Week13
- 1. How MP3 Music Files Work ● Software ● CD ● MP3 ● Permission
- 2. software ● With the software,it is a computer program and an about the same meaning in a narrow sense. The thing which discribed a procedure / an order to operate a computer in the form that a computer could understand. ●
- 3. CD ● Medea whom I engrave careful unevenness into a disk made by resin with the CD, and record data.
- 4. MP3 ● The one of the speech compression methods that the MP3 is MPEG -1 of the picture data compaction method, and is used. The one of the speech compression methods spreading most widely.
- 5. permission ● The permission is the Access Priviledges of the user for a file and the directory stored in the hard disks of the computer.
- 6. References http://www.cisco.com/jp/index.shtml http://www.ibm.com/jp/ http://freesoft.tvbok.com/ http://websyosinsya.seesaa.net/