Technology What is a computer? CXC notes TUTOR: MR. G JAMES It is an electronic device operating under the control of instructions stored in its own memory that can accept data‚ manipulate the data according to specified rules and produce results and store result for future use. Four fundamental functions are: 1. 2. 3. 4. Input Processing Output Storage The computer comprises of a variety of hardware components. These include input device‚ output device‚ a system unit‚ storage device and a communication
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Chapter 3 & 5 Study guide Chapter 3 TRUE/FALSE. Write “T” if the statement is true and “F” if the statement is false. 1. The learning environment includes the space but not the facilities in which learning takes place. 2. Myers and Briggs did extensive work matching learning styles to a variety of factors‚ including the physical environment. 3. The Design-Plan-Act system is a three-part system that is designed to help teachers plan the learning environment and activities. 4. An effective
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articles/why-databaseagnostic-enterprise-applications-are-on-the-way-out-18920/) According to Arnie Alvarez that networked storage system makes IT managers act like storage specialist and has the ability to meet the needs of future customers. How‚ by reducing its number of servers‚ and helping minimize maintenance and operating overheads‚ while increasing processing capability‚ storage capacity and ultimately‚ uptime for the business. Information infrastructure technology gives solutions that enable organizations
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common property of mass storage systems based on magnetic or optic technology is that physical motion‚ such as spinning disks‚ moving read/write heads‚ and aiming laser beams‚ is required to store and retrieve data. This means that data storage and retrieval is slow compared to the speed of electronic circuitry. Flash memory technology has the potential of alleviating this drawback. In a flash memory system‚ bits are stored by sending electronic signals directly to the storage medium where they cause
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and solid-state drives (SSD) in terms of: a. Speed b. Volatility c. Access methods d. Portability e. Cost f. Capacity A magnetic tape is a data storage device which typically stores digital information. The magnetic tape uses digital recording methods and is shaped as a cassette or a cartridge. The tape driver is a device that records the data on to the magnetic tape. Typically‚ the speed of the magnetic depends on the capacity of the drive which also happens to depend on the cost. “Legacy
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nonprofit organization with a grant of $500 to form a backup and recovery plan for their computers is not an easy task. Volunteers often go above and beyond to achieve greatness for non-profit organizations. In order to make this organization thrive‚ assistance is needed to backup all the information on the organization’s computers. With 11 computers and only 1 laptop all running on XP‚ additional hardware and storage needed so the organization can run efficiently. This paper will focus on the recommendation
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clear paper trail to follow. Since computers do all of the sorting of the information the company rarely sorts the source documents. Also the computer does most of the calculations and processing so there would not be the amount of documentation that there would be in a manual system. · Another problem of computer systems is the fact that there can be difficulty in determining who entered the data. In a manual system the identity of the person entering the data can be identified possibly by the
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and is Used in an Organization Going through the three individual courses this week in regards to Data Storage‚ Security‚ Recovery and Disposal has given me a new set of eyes on how information flows and is used among an organization’s computer infrastructure. What I found amazing about these processes is just how far we have come in these last few years when it comes to the technology of Digital Data. I will go over the individual topics that show the benefits‚ but also the drawbacks of such technology
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hotter than the Intel versions‚ but with a suitable fan this is easily kept under control. How processors works: The Central Processing Unit (CPU) Figure 1: The Central Processing Unit The computer does its primary work in a part of the machine we cannot see‚ a control center that converts data input to information output. This control center‚ called the central processing unit (CPU)‚ is
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6 Research Paper 1 • Network-attached storage (NAS) is hard disk storage that is set up with its own network address rather than being attached to the department computer that is serving applications to a network ’s workstation users. By removing storage access and its management from the department server‚ both application programming and files can be served faster because they are not competing for the same processor resources. The network-attached storage device is attached to a local area network
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