The hard disk is the main storage device in your computer. It is a bit like a filing cabinet: all of your data files and applications software are stored on it. The hard disk contains a number of metal platters which have been coated with a special magnetic material. The data is stored in this magnetic material. Thus‚ the hard disk is known as a magnetic storage device. In order to access the data‚ the platters spin many thousands of times a second and a magnetic read and write head floats just
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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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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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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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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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teachers and 127 students. And lately it become ninety (90) Students per section in all year levels faced the faculty. From the initial enrolment of students Handled by ten (10) teachers in 1989‚ San Jose National High School‚ a public secondary school with fiscal autonomy‚ now has total of two thousand sixty seven (2067) students with
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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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CARIBBEAN EXAMINATIONS COUNCIL Caribbean secondary Education certificate Information Technology Syllabus Effective for Examinations from May/June 2010 Correspondence related to the syllabus should be addressed to: The Pro-Registrar Caribbean Examinations Council Caenwood Centre 37 Arnold Road‚ Kingston 5‚ Jamaica‚ W.I. Telephone Number: (876) 920-6714 Facsimile Number: (876)967-4972 E-mail address: cxcwzo@cxc.org Website: www.cxc.org Copyright ® 2008 by Caribbean Examinations Council
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to give customers an “existing” product in the smallest size available and beat competitors to it. I therefor consider it a sustaining technological improvement because the intention they initially had was to improve the product attribute size and storage capacity. The contribution they made to the market could be compared to Seagate size improvement of the 5.25 inch to 3-inch drive‚ the smallest then. They did although have a unique attribute: ruggedness. Realizing that durability/ ruggedness actually
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Baldeo Persaud NT1230 Unit 10 Assignment 1: Backup Criteria A company should have backup files of anything important and pertinent to their business. Any data and files that are stored on their computer should be backed up. I would suggest a full backup which includes all files whether they have been changed or not. I would have 8 datasets which includes User Acquisition Costs‚ Abandoned Carts‚ Visitor Value‚ Lifetime Value‚ Traffic‚ Lead Source ROI‚ Purchase Funnel and Percentage of Mobile Visits
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