September 21‚ 2012 RCG Company #21-33‚ Marcos Avenue Khaile City‚ New York Mr. Benjie Tanawan President PNG Company #987079 Avelin St. New York City‚ New York Dear Mr. Benjie Tanawan‚ We have already finished the major case for the main body of the printing machine. There will be some changes in the software itself because there are some incompatible software commands to the machine. The functionality is now being enhanced. Respectfully yours‚ Russel Mae Bool Overall Project
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SanDisk® SecureAccess™! SanDisk SecureAccess is a fast‚ simple way to store and protect critical and sensitive files on any SanDisk® USB flash drive. Create a private vault and simply drag-and-drop your valuable files inside. Access to your vault is protected by a personal password‚ and your files are automatically encrypted – so even if you share your SanDisk USB flash drive or it becomes lost or stolen‚ access to your files are safe. SanDisk SecureAccess software also provides you the added protection
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and Engineered to allow you to see more of your signal under test‚ the 2190D widescreen 7” TFT display offers a significantly larger viewing area than typical economy oscilloscopes (5.7”). Maximize productivity with PC connectivity via RS232 and USB. The downloadable PC software lets you easily capture‚ save‚ and analyze measurement results. All oscilloscope parameters can be controlled via a PC without the need for programming. The 2190D oscilloscope is ideal for applications in education‚ design
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module can do both on one module. Hard Disk Drive (HDD) Used to read disks‚ data is read in a random access matte. The SATA connects the host bus adapters to the mass storage devices. The IDE connects the drive directly to the motherboard and the SCSI is capable of supporting 8 devices. Optical Drives Optical drives are a disk drive that uses laser light or electromagnetic waves to read the data. A HDD is similar to the optical drives. Disks can have ROM – read only memory – which means
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with capacities of 100 MB‚ but later versions increased this to first 250 MB and then 750 MB. It is a small portable disk. Zip drives are used to backup important data. Advantages * Inexpensive (general) * Can transfer large files from one computer to another * Backup Disadvantages * Cost more than DVd’s or CDR’s * Not many computers have zip drives any more Magnetic Tape Magnetic tape is a ribbon of plastic material coated with a metal oxide film on which data is recorded
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stored in backing storage is permanent so it is NOT lost when the computer is turned off. It is always slower to access data from backing storage than from internal memory. Fixed hard disks A hard-drive built into the case of the computer is known as ‘fixed’. Most computers have one. Fixed hard-drives act as the main backing storage device. They provide almost instant accsess to files (random access and high access speeds) Large storage capacity Stores and retrieves data much faster than a floppy
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oduction CHAPTER 1: INTODUCTION TO COMPUTER AND INFORMATION TECHNOLOGY 2 Computer and Information Literacy Know how to use a computer is a basic skill Purpose : • To succeed in business • To function effectively in society To fulfill the purpose we should be a computer literate and information literate Computer literate • Must be knowledgeable in how to use a computer Information literate • Must be knowledgeable
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laptop‚ netbook‚ PDA‚ mobile phone‚ games consoles‚ tablet‚ server‚ embedded devices (inside phones‚ domestic appliances‚ cars) Hardware components: processor speed and type; memory eg RAM‚ cache; storage devices‚ eg hard disk drive‚ memory stick‚ CD ROM‚ flash drive‚ DVD; input devices eg touch screen‚ graphics tablet‚ gaming controller‚ microphone‚ mouse‚ keyboard; output devices eg printer‚ monitor‚ sound; computer network connectivity eg 3G‚ Wireless‚ Bluetooth‚ NIC; costs Software components:
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Storage Space Outline -Bits and Bytes -storage devices Hard drives (internal‚ external‚ network) Flash drives Cloud Storage -Technologies currently in development -Summary The purpose of this paper is to shed some light on computer storage devices. In order to understand how computer storage devices work‚ I will have to discuss bits and bytes. According to About.com’s contributing author
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SEARCH ABOUT US The History of Computer Storage Innovation from 1928 to Today Humankind has always tried to find ways to store information. In today s modern age‚ people have become accustomed to technological terminology‚ such as CD-ROM‚ USB Key‚ and DVD. Floppy disks and cassette tapes have been forgetting except for the most nostalgic. Subsequent generations have simply forgotten about the technology that helped evolve the efficient computer storage systems we all use everyday. As time
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