Question 1-CXC Past Paper Questions: 1989-2011 May 1989 (a) Find the exact value of (4⅘÷2⅔)- (1⅓) 2 (5 marks)(b) Write your answer to part (a) as a decimal correct to 2 significant figures. (2marks)(c) A sum of money is to be divided among A‚B‚ AND C in the ratio of 2:3:5. Thelargest share amounts to $1200.Calculate: (i) the total sum of money to be shared(ii) A’s share(iii) the percentage of the total amount that Breceives (5 marks) May 1990 Calculators‚ slide rules and mathematical tables
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Computer is playing vital role in modern life. Computer education has great importance because use of computer has reached almost all spheres of life. The modern life of today includes information and contacts with people all over the world. Computer has helped considerably to achieve this. This is possible through computer education when a person knows the use of computer‚ he can employ in his business‚ for planning and chalking out programmed. Calculations and statical works. The internet
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Evaluate the roles of 3 body systems‚ of your choice‚ in maintaining the characteristics of living things in humans. The roles of the body systems within the human body are very significant and they contribute to help maintaining certain functions within the body. Without the systems‚ our bodies would not operate to their full extent and we would struggle on a day to day basis. The skeletal‚ digestive and reproductive systems are just three body systems that help us to maintain some of these functions
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main drive system and auxiliary drive system‚ and kiln and cooler transmission system are relatively simple. Rotary kiln has two drive systems and their roles are: The main drive system are composed of main motor‚ reducer‚ gear‚ ring gear‚ and cylinder. When sufficient speed ratio and capacity of the reducer are deficient‚ you can add a semi-open gear drive between the reducer and gear ring gear‚ and a small number of kilns can be added a belt drive between the motor and reducer. The role of the auxiliary
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Computer is an electronic device used in almost every field even where it is most unexpected. That is why this age is called as the era of IT. And now we cannot imagine a world without computers. It is made up of two things one is the hardware and other is software. All physical components of computer like keyboard‚ mouse‚ monitor etc comes under the hardware whereas all the programs and languages used by the computer are called software. These days computers are the tools for not only engineers
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Main article: History of computer science Charles Babbage is credited with inventing the first mechanical computer. Ada Lovelace is credited with writing the first algorithm intended for processing on a computer. The earliest foundations of what would become computer science predate the invention of the modern digital computer. Machines for calculating fixed numerical tasks such as the abacus have existed since antiquity‚ aiding in computations such as multiplication and
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Criminal Justice System Reform is essential in order to improve over time. As the years go by change has to happen‚ to make old things better. Over the course of a few years‚ prison reform has been a favorable topic in politics‚ and just overall. Everybody has different opinions concerning this issue. Some people think that it is unnecessary‚ others believe that it is a crucial task to move forward. However‚ there are many problems concerning how effectively the prison system works. Currently in
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Rabindranath Tagore | Tagore c. 1915‚ the year he was knighted byGeorge V. Tagore repudiated his knighthood‚ in protest against the Jallianwala Bagh massacrein 1919.[1] | Born | May 7‚ 1861 Calcutta (Kolkata)‚ Bengal Presidency‚ British India | Died | 7 August 1941 (aged 80) Calcutta (Kolkata)‚ Bengal Presidency‚ British India | Occupation | Poet‚ short-story writer‚ song composer‚ playwright‚ essayist‚ and painter | Language | Bengali‚ English | Nationality | Indian | Ethnicity
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university in Cairo Computer Science & Engineering Department CSCE 106 - Fundamentals of Computer science Course Layout – Spring 2013 http://www.cse.aucegypt.edu/~csci106k/ Course: Instructor: Office: Office hours: Lab Instructor: CSCE 106-03&05 “Fundamentals of Computer Science” ‚ 3 Credit Hours Dr. KHALIL E-Mail: akhalil@aucegypt.edu Room 2148 SSE 1:00 - 2:00 pm UTW Alia Saad E-mail: alisaad@aucegypt.edu Course Description Introduction to the discipline of computing. Computer history and Evolution
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Running head: COMPUTER RECYCLING Computer Recycling June 29‚ 2009 Computer Recycling Over the years‚ tons of electronics equipment with hazardous materials have been thrown away with standard garbage. Over time‚ these materials leak out of the electronics causing damage to the environment. In order to try and reduce the threat‚ many local‚ state and federal governments are enacting legislation that requires proper disposal of old electronics. Most computer equipment becomes outdated anywhere
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