Computer systems may be classified into the following groups: 1 - The supercomputers are extremely fast computers that are used in scientific research for their ability to do large amount of calculations and store large amount of data. One use of these computers is weather forecast because of the large amount of calculations involved. 2 - Mainframe computers allows several thousands of users at any time. They are used by government companies‚ airline companies for bookings‚ insurance companies
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Qualification|Unit number and title| HND in Computing and Systems Development | 02-Computer Systems| Assignment title|Computer Systems – Unit 2 | In this assignment you will have opportunities to provide evidence against the following criteria.Indicate the page numbers where the evidence can be found | Criteria reference|To achieve the criteria the evidence must show that the student is able to:||Task no.||Evidence| P2.1.1|Explain the role of computer systems in differentenvironments||T1.1||| P2.1.2|Explain
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Electronic Point of Sales system is need to key in the data into the system to be process. While the processing step is transforming the data that entered from input into output. Output is transmitting the data that had been transformed into information. This is the Point of Sales System using by the Tesco. Electronic Point of Sales system using by Tesco Stores will collect the necessary data from the operator input. For example: scanned a BAR codes or QR codes to identify the product quantity
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1. DBMS a) Problem with the traditional file environment In most organizations systems tended to grow independenty without a company-wide plan. Accouning‚ finance‚ manufacturing‚ human resources‚ and sales and marketing all developed their own systems and data files. Each application of course‚ required its own files and its own computer program to operate. For example‚ the human resources functional area might have personnel master file‚ a payroll file‚ a medical insurance file‚ a pension
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MANAGING PEOPLE‚ INFORMATION AND KNOWLEDGE INTRODUCTION In today’s world technology is growing significantly and there is no stoppage in its growth. There was a time when computer networks were only used by scientists and engineers‚ but nowadays‚ our life has completely changed and instead rotates around computer networking‚ from school‚ libraries and Businesses. (U.S‚ Congress‚ 1993) The technological change in today’s business is the result of computer usage and information
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In all information systems‚ data resources must be organized and structured in some logical manner‚ so that they can be: D. All of the choices are correct. From a logical point of view‚ a(n) _______________ is the smallest data element that can be observed and manipulated. A. character A record represents a collection of _______________ that describe an entity. D. attributes All the fields used to describe the attributes of an entity are grouped to form a(n) _______________
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Background Nursing education has been using concept maps as teaching methodology to facilitate critical thinking in nursing students. Several research studies have shown that concept mapping facilitate students ability to recall‚ synthesize information‚ and to think critically thus promoting meaningful learning (Caputi and Blach‚ 2008). However‚ most of the novice nursing students are not familiar with concept mapping leading to anxiety and negative feelings about the use of this as a learning
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Information Systems‚ Global Business and E-business Management Information Systems Chapters 1 and 2 (Laudon and Laudon‚ 2010) Information Systems‚ Global Business and E-business Lecturer: Richard Boateng‚ PhD. • • Lecturer in Information Systems‚ University of Ghana Business School Executive Director‚ PearlRichards Foundation‚ Ghana Email: richard@pearlrichards.org 10.1 www.vivaafrica.net | Dr. Richard Boateng (richard@pearlrichards.org) | © 2010 by Prentice Hall Information
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STUDENT INFORMATION MANAGEMENT SYSTEM FOR PHILIPPINE SCIENCE HIGH SCHOOL CENTRAL MINDANAO CAMPUS A Research Proposal Presented to the Faculty of Philippine Science High School Central Mindanao Campus Nangka Balao-i‚ Lanao del Norte In Partial Fulfillment of the Requirements in Research 2 WYNN DUN GIL IMPROSO GIL MICHAEL E. REGALADO JAN REOVEN S. SIALANA August 2008 INTRODUCTION Background of the study The school registrar of the Philippine Science High School — Central Mindanao
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Which of the following is the greatest risk to information systems and causes the greatest dollar losses? A) Dishonest employees B) Physical threats such as natural disasters C) Human errors and omissions D) Fraud and embezzlement 4. All of the following could lead to computer fraud except A) Storing backup tapes in a location where they can be quickly accessed. B) Allowing computer users to test software upgrades. C) Allowing computer operators full access to the computer room. D) Releasing data to unauthorized users
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