computers‚ they do not visualize the components inside that make up the computer system. Most state-of-the-art systems have the same components as a personal computer to meet the user’s needs. Although state-of-the-art computers offer more memory and storage capabilities‚ my personal computer offers some of the same components but is less expensive. I purchased my Toshiba Satellite Notebook for school‚ therefore it is rather new. My Toshiba notebook allows me to work in different locations. I
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points) Suppose that only 50GB of your personal computer’s 120GB hard-disk drive is empty. Which storage media would you use to backup your data? Explain your answer. Question 4 (5 points) Suppose a machine has 20GB of storage space available on a hard disk and receives data over a telephone connection at the rate of 14‚400 bps. At this rate‚ how long would it take to fill the available storage space? Question 5 (5 points) Describe and illustrate the von Neumann architecture. Explain the
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Passwords on computers enable unauthorised people from accessing records Locked away in a filing cabinet/cupboards with keys Not leaving notes about information 2.3 Describe features of manual and electronic information storage systems that help ensure security? Manual security storage systems are locked away
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deep impact on education. Computer education forms a part of the school and college curricula‚ as it is important for every individual today‚ to have the basic knowledge of computers. The advantages of computers in education include an efficient storage and rendition of information‚ quick information processing and very importantly the saving of paper. Know more about the importance of computer education. Computer teaching plays a key role in the modern systems of education. Students find it easier
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Professor at University of Missouri is answering these questions in his article published in the professional journal “Current Directions in Psychological Science” February 2010; vol. 19‚ 1: pp. 51-57. According to Nelson Cowan article “Working memory storage capacity is important because cognitive tasks can be completed only with sufficient ability to hold information as it is processed. The ability to repeat information depends on task demands but can be distinguished from a more constant‚ underlying
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generates results and usually consists of input‚ output‚ storage‚ Airthmatic logic and control units. A computer has four functions: a. accepts data Input: Data or information written into the computer by user The Information Processing Cycle b.processes data Processing: The calculations performed according to the given instructions c. produces output Output: Results produced or generated by the computer d. stores results Storage: Place where data and instructions are stored/placed
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Dell Inc. Company Overview COMPANY OVERVIEW *Dell Inc. (Dell or "the company") is one of the leading information technology companies offering a broad range of products‚ including desktop personal computers (PC)‚ servers‚ networking products‚ storage‚ mobility products‚ software and
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components of any computer system are its _____. a. input and output b. data and programs c. hardware and software d. memory and disk drives 2. The major computer operations include _____. a. hardware and software b. input‚ processing‚ output‚ and storage c. sequence and looping d. spreadsheets‚ word processing‚ and data communications 3. Another term meaning “computer instructions” is _____. a.hardware b. software c. queries d. data
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An operating system is a set of software programs‚ which manage computer hardware in a controlled fashion. The operating system controls the file-system‚ process management‚ memory management and peripherals. Multi-user operating systems are used on large mainframe computers. A mainframe computer system has one very powerful processing unit‚ which may contain many microprocessors. Many users will all share this processing unit. They use terminals (a keyboard and a monitor) to access the mainframe
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Unit 1 Phones Choosing a phone: * Picture resolution (pixels) * Camera resolution (megapixels) * Storage capacity (gigabytes) * Memory card (gigabytes) SD and SDHC cards: flash memory cards‚ SD (2GB)‚ SDHC (32GB) Wi-Fi: wireless fidelity. Long-range data transfer. Bluetooth: Short-range data transfer. User Interface: the way in which a user interacts with a system Features for the elderly: * Easier navigation * “Panic” button * Larger sized buttons and keys
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