The personal computer is an invaluable, ingenius, irreplaceable piece of machinery. The computer is considered a necessity for any small business and is expected to be a contributing factor in a successful business."Word processing, accounting, cost projections, inventory control, and similar functions are handled so swiftly and effortlessly by personal computers that, within a few years, the small business person is 1 addicted to the big." .The "value of the personal computer will depend upon the personal interests of the person using the 2 computer," states Peter A. Mcwilliams,author ofThe Personal ___ ________ Computer Book. The personal computer is what the human being ________ ____ makes of it because the human being is the one who has to deal with the uses,disadvantages and advantages of a computer. In brief the personal computer is a machine made of"metal, glass, 3 paper and plastic. "The main part of the computer is known as the microprocessor. The brain of the computer sorts and resorts information at incredible speeds that no human being"s brain could achieve. This speed is the main reason why computers are replacing men and women inside the office. The microprocessor is also known as the CPU or central processing unit. The unit ---------- 1. McWilliams, Peter A. The Personal Computer Book.( U.S.A.: ___ ________ ________ ____ Prelude Press. 1984), p. 16 2. Ibid p.16 3. Ibid p.21 - 1 - contains two kinds of memory;the first type of memory is read only memory or ROM and the second is random access memory or RAM. Once the RAM unit has something in memory it puts it down onsonal computer will depend upon the personal interests of the 4 person using the computer," states Peter A. Mcwilliams,author ofThe Personal Computer Book. The personal computer is what the ___ ________ ________ ____ human being makes of it because the human being is the one who has to deal with the uses,disadvantages and advantages of a computer. In brief the personal computer is a machine made 5 of"metal, glass, paper and plastic." The main part of the computer is knownents from someone and not something. Thus the computer outputs on a video screen or cathode ray tube,CRT,and the functioning process is completed. These parts make up the computer that is used so much in everyday business life. The first computer to be used in the business society was used by the Herman Hollerith company which eventually called 6 itself "International Business Machines". This started the computer age which continued in the 1970's when businesses started buying computers for their use in productivity.Three computers were used mainly for business at that time ; they were ---------- 4. Ibid p.27 5. Ibid p.21 6. Ibid p.23 - 2 - the mianframe computers, minicomputers and microcomputers."If you were a big business you bought a mainframe, if you were a small 7 business you bought a minicomputer," and a minicomputer was not used at all in business. The microcomputer is not used at all in business. The minicomputer,however,is used extensively in business and it has the capability of"accounting, inventory control, word processing, financial projections and so mu