What is air pollution? Air pollution -is the introduction into the atmosphere of chemicals‚ particulates‚ or biological materials that cause discomfort‚ disease‚ or death to humans‚ damage other living organisms such as food crops‚ or damage the natural environment or built environment. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to
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Types of computers Firstly‚ what is a computer? Well‚ a modern computer is typically an electronic or digital device that manipulates data. Computers can execute a pre-recorded list of instructions know as a “programme”. Large amounts of data can be stored on computers and be quickly accessed‚ edited and stored. When it comes to computers there are several different types: * High Performance System (HPS) * Workstations * Personal Computer * Laptop / Notebook * Palmtop These
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Computer Science Quiz Questions With Answers - Multiple Choice 1- IC chips used in computers are usually made of 1. Lead 2. Silicon 3. Chromium 4. Gold Answer: Silicon 2- One kilobyte is equal to 1. 1000 bytes 2. 1024 bytes 3. 100 bytes 4. 1023 bytes Answer: 1024 3- Which of the following is not an example of Operating System? 1. Windows 98 2. BSD Unix 3. Microsoft Office XP 4. Red Hat Linux Answer: Microsoft Office XP 4- Which supercomputer is developed by
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Classifications of Computers According to the U.S. Census "Forty-four million households‚ or 42 percent‚ had at least one member who used the Internet at home in 2000" (Home Computers 2). Today‚ no doubt‚ even more family members in the United States use computers. Most people are aware of the desktop computers which can be found in the home and in the workplace. What are the different types of computers and what are their purposes? Computers can be classified into three different categories
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of the military and industry in the development of electronics‚ computers‚ and information theory. After the 1940s‚ the military remained the major source of research and development funding for the expansion of automation to replace manpower with machine power. Since the 1950s‚ four generations of computers have evolved. Each generation reflected a change to hardware of decreased size but increased capabilities to control computer operations. The first generation used vacuum tubes‚ the second used
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Computer Memory Basics Although memory is technically any form of electronic storage‚ it is used most often to identify fast‚ temporary forms of storage. If your computer’s CPU had to constantly access the hard drive to retrieve every piece of data it needs‚ it would operate very slowly. When the information is kept in memory‚ the CPU can access it much more quickly. Most forms of memory are intended to store data temporarily. As you can see in the diagram above‚ the CPU accesses memory according
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Ms. Pedro English 101 October 15‚ 2014 Access Granted Biometric devices authenticate a person’s identity by verifying unique personal characteristics. These devices translate a biometric identifier‚ such as a fingerprint‚ into a code that is compared with a digital code stored in a computer. If the digital code in the computer matches the personal characteristics code‚ the computer grants access. Example of biometric devices include fingerprint readers and face recognition systems. A fingerprint
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What is a NAS device? A NAS device is a network-attached storage device which is an external storage unit in the form of a computer that usually has one or two hard disks‚ and is used solely for filed based storage‚ and operates over a network of computers. NAS devices are both controlled and configured over the network usually using a (Wikipedia‚ n.d.) (htt) browser. What is the speed of the network adapter available on a NAS device? The speed of NAS devices are very flexible depending on
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schoolschool code:080020registration number: | Electronic Document Preparation Management (exemplar 1) | The History of Computer | Table of Contents The History of Computer 1 Who was the father of computer? 2 THE FIVE GENERATIONS OF COMPUTER 3 What computer was produced by J.Presper Eckert and John Mauchly 4 A Description Of The Device 4 The History of Computer 1. The Abacus: Is a calculating tool used primarily in parts of Asia for performing arithmetic processes? The Chinese
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Rhetorical Devices Style is part of classical rhetoric and a number of rhetorical devices are worth considering in any analysis of style. For the analysis of literature a knowledge of rhetorical devices is indispensable‚ since there is often a considerable density of rhetorical figures and tropes which are important generators and qualifiers of meaning and effect. This is particularly the case in poetry. Especially the analysis of the use of imagery is important for any kind of literary text. (For
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