Kayla Ryan Computer Applications Notes 01-08-13 A. 1st Generation‚ Vacuum tube;2nd Generation‚ Transistors;3rd Generation‚ intergraded circuits; 4th Generation‚ Silicon chips * “Computer”- Person good at math before war; by WW1 the definition is now called a “machine.” It used arithmetic back when it first came out. * It took 28 years of William Shanks life to calculate a computer. Word computer referred not to a machine but to calculate on paper. * Charles Babbage-made a different
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2 Areas of data processing 1. Business Data processing (BDP) . Business data processing is characterized by the need to establish‚ retain‚ and process files of data for producing useful information. Generally‚ it involves a large volume of input data‚ limited arithmetical operations‚ and a relatively large volume of output. For example‚ a large retail store must maintain a record for each customer who purchases on account‚ update the balance owned on each account‚ and a periodically present a
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Exec. Subd. Antipolo City Janitor * Spot cleans walls‚ partitions‚ light switches and doors‚ window sills. * Cleans and disinfects washroom fixtures using mild chemicals * Vacuums cloth furniture at established frequencies * Dust mops all office hard floors surfaces and/or vacuums all carpeted areas at established frequencies. * Removes full garbage bags from cleaner’s cart and places them in designated area for transport to garbage bin ►Miescor Builders Inc.
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Amity Center for eLearning J-Block‚ Amity Campus Sec-44‚ NOIDA (UP) India 201303 ASSIGNMENTS ADL - 41: ADVERTISING AND SALES PROMOTION Subject Name & Code : Study Centre : Permanent Enrollment Number (PEN): Date : Advertising and Sales Promotion ASSIGNMENT INSTRUCTIONS: 1. Students are required to submit three assignments ASSIGNMENT Assignment A Assignment B Assignment C DETAILS Five Subjective Questions Three Subjective Questions + Case Study Forty Objective Questions MARKS 10 10 10 2. 3
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black peppers‚ oregano („dry storage”)‚ water‚ onion‚ garlic‚ carrot juice‚ carrot thicnesses.) After cooking‚ the pizza sauce is placed in clean plastic boxes and held in vacuum‚ boxes stored in the refrigerator (used by – long time). Must take out boxes from fridge by „put last‚ take first” principle‚ after opening the vacuum box we blender the sauce and than its – used by – aprox. 48h‚ storage at fridge - 5 °. Opened box must cover with plastic wrap and mark dates. Cheese- mozzarella‚ parmesan
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Computer First Generation (1940 – 1956) – Vacuum Tubes These early computers used vacuum tubes as circuitry and magnetic drums for memory. As a result they were enormous‚ literally taking up entire rooms and costing a fortune to run. These were inefficient materials which generated a lot of heat‚ sucked huge electricity and subsequently generated a lot of heat which caused ongoing breakdowns. These first generation computers relied on ‘machine language’ (which is the most basic programming language
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Blaise became very religious and spiritual. He then started working on some experiments dealing with atmospheric pressure. Blaise concluded that a vacuum exists. The famous mathematician Rene Descarte debated Blaise over this issue. Descarte did not believe there was a vacuum. In October 1947 Blaise wrote another book‚ New Experiments Concerning Vacuums. This caused a lot of debates. After a malignant growth spread from his stomach to his brain‚ Blaise Pascal died on August 19‚ 1662 at the age
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technique used by chemists to purify compounds. Typically a solid is placed in a vessel which is then heated under vacuum. Under this reduced pressure the solid volatilizes and condenses as a purified compound on a cooled surface‚ leaving the non-volatile impurities behind. This cooled surface often takes the form of a "cold finger" (shown in the diagram above). Once heating ceases and the vacuum is released‚ the sublimed compound can be collected from the cooled surface. Usually this is done using a sublimation
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percentage composition of the label (50% paracetamol‚ 40% aspirin and 10% sucrose) matches that of the percentage composition of the powder by following 10% ranges of each component in the powder. I am going to do this via a number of methods including vacuum filtration‚ heating‚ extraction and evaporation. Experimental method: The experiment was done in three parts: firstly the separation of sucrose‚ then the separation of Aspirin and the isolation of the unknown component. 1. Separation of Sucrose
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Also pure acetanilide is achieved. here are five major steps in the recrystallization process: dissolving the solute in the solvent‚ performing a gravity filtration‚ if necessary‚ obtaining crystals of the solute‚ collecting the solute crystals by vacuum filtration‚ and‚ finally‚ drying the resulting crystals giving us the pure sample of the compound. The best solvent used for each of the compounds listed and the percentage recovery of the crude acetanilide. The physical properties of the compound
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