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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What are the Parts of Computer? The Parts of a Desktop Computer are: 1. System unit The system unit is the core of a computer system. Usually it’s a rectangular box placed on or underneath your desk. Inside this box are many electronic components that process information. The most important of these components is the central processing unit (CPU)‚ or microprocessor‚ which acts as the "brain" of your computer. Another component is random access memory (RAM)‚ which temporarily stores
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------------------------------------------------- HND Computer and Systems Development ------------------------------------------------- ASSIGNMENT ------------------------------------------------- 2012 – 13 COLLEGE | City of Westminster College | PROGRAMME | HND Computer and Systems Development | MODULE NAME & CODE | Computer Systems Unit 2 (L/601/0446) | STUDENT NAME | | ASSESSOR | Anas Ahmed | ASSIGNMENT NUMBER | ONE | | Tasks | Hand in Dates: | | Task 1 – Report | Friday 14th
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INTRODUCTION Computer is defined as a combination of electro-mechanical devices (Hardware) capable of accepting data or information‚ processing‚ storing‚ and providing output under the control of some instructions and commands called programs (Software). Computers are machines that perform tasks or calculation according to a set of instruction or programs. Introduce in 1940s the first fully electronic computers were huge machines that required teams of people to operate. Compared to those early
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of malware. They spread over computer networks by finding operating system vulnerabilities. Worms typically cause harm to their host networks by consuming bandwidth and shorting out web servers. Generally‚ the intent of the worm is to be malicious. There are some worms however‚ which do not have malicious intent. They are referred to as anti-worms. Computer worms are classified as a type of computer virus‚ but there are several characteristics that distinguish computer worms from regular viruses
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The History of the Computer Long before computers were invented‚ humans realized the need for them. The history of the Computer started about 2000 years ago with the abacus. It is a wooden rack holding two horizontal wires with beads strung on them and was one of the best calculating machines until the seventeenth century (PBS‚ 1). In 1835‚ English inventor‚ Charles Babbage came up with the idea of the Analytical Machine‚ a general purpose‚ fully programmed-controlled‚ automatic mechanical digital
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PUTER REVOTHE REVOLUTION OF COMPUTER By Feri Agus S‚ Indonesia A computer is a programmable machine. The two principal characteristics of a computer are: it responds to a specific set of instructions in a very good manner and it can perform a pre-recorded some list of instructions or programs. From those basic characteristics‚ the computer has grown up to five generations and its functions have extended. The first computer was invented in 1940 with a tube form and had many deficiencies. The
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The Journey Inside Introduction to Computers Lesson 2: Four Components of a Computer Directions: Use the http://educate.intel.com/en/TheJourneyInside/ExploreTheCurriculum/ website to complete the units in this series. Choose Intro to Computers on the gray menu bar. Choose Lesson 2 on the left side of your screen and complete the questions below after reading the paragraph‚ watching the video‚ and completing Activity 1. 1. Both a toaster and a computer have physical parts you can touch such
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Argumentative Essay Draft 3 Tarek AbdelWareth Computer Addiction I. Introduction Thesis: Despite the negative social and health effects of computers‚ we cannot restrict their use‚ for they became a prime part of our life today. II. Background Information Computers were invented to save time and effort. They have integrated with our lives and became a main part of it. There are numerous applications for computers nowadays. Computers are the backbone of this era. Reading‚ writing‚ simple
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or about 62 percent of the American population had at least one home computer. Another statistic is that about 55% of people also have internet on there home computers. In everyday life it is important for a person to have good ethics; this is also true about computer usage. Due to the fact that more then half of the American population owns computers‚ computer ethics are a growing concern in a rapidly changing society. Computer ethics can be broken down in to many topics including piracy‚ hacking
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