-----------------------------1. What are the total number of divisors of 600(including 1 and 600)? a. b. c. d. 24 40 16 20 2. What is the sum of the squares of the first 20 natural numbers (1 to 20)? a. b. c. d. 2870 2000 5650 44100 3. What is∑ items? a. b. c. d. ( )‚ where is the number of ways of choosing k items from 28 ) where is the number of ways of choosing k items from 28 406 * 306 * 28 * 56 * 4. What is ∑ items? ( a. b. c.
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The numbers are overwhelming: Over the next 17 years‚ 350 million rural residents (more than the entire U.S. population today) will leave the farm and move to China’s cities. That will bring the Chinese urban population from just under 600 million today to close to 1 billion‚ changing China into a country where more than two-thirds of its people are city dwellers‚ says Jonathan Woetzel‚ a director in McKinsey’s Shanghai office. The change will reverse China’s centuries-old identity as a largely rural
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Technology and Services Technology as a Competitive Advantage • Holidex Plus: new advanced reservation system (part of the $75m next-generation project in 2002) • Flight Management Data System (FMDS): to link Holidex Plus with 3rd Party airline and travel agents reservation system • Customer Information Control System (CICS): transaction processing facility running 700 tps for database management • Casper: the friendly case tracking system using WebLogic Server 8.1 for guest complaints as part of
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citizen’s health‚ unfortunately in India‚ the case is reverse. – Dr. Naresh Trehan. c. Due to health related expenditures every year 3.9 crores of Indians slip down from middle-class to the below poverty line. Today a large number of our population lies below the poverty line. – Dr. Kiran Majumdar Shaw. d. In India the amount of money spent on health sector of a single person is least in the entire world. e. Due
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Mobile phones are one of the most positively viewed inventions in the technological era. Considering that fact a serious question arises. Are there any advantages and disadvantages of using a mobile phone? Earlier days‚ when we were out of home or office‚ we needed to search for a public telephone booth to make a phone call. Now‚ we pick up our mobile phone and dial. It is a fact that having a mobile phone nowadays is a sort of a necessity. Mobile phones‚ formerly use only for making a call‚ were
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can enjoy video games‚ listen to the music or even watch a movie smoothly. To conclude‚ it is inarguable that mobile phones are not perfect so far‚ but they can produce more valuable and beneficial influences. Thus‚ I am convinced that their advantages outweigh the disadvantages.
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Convert the decimal number 125 into binary. Use the division-by-two method shown in the following example. 125 /2 = 62 r=1 62 /2 = 31 r=0 31 /2 = 15 r=1 15 /2 = 7 r=1 7 /2 = 3 r=1 3 /2 = 1 r=1 1 /2 = 0 r=1 01111101 2.Convert your binary result back into decimal to prove your answer is correct. This is also shown in the following example. Weights = 128 64 32 16 8 4 2 1 Bits = 0 1 1 1 1 1 0 1 64 + 32 + 16 + 8 + 4 + 1 = 125 Task 2: Procedure 1.Convert the binary number 10101101 into decimal
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All questions must have the correct units and correct number of significant figures. Show all calculations and carry the units throughout. Submit your answers on a new page. Include your name and student number. Q1. Report the number of significant figures in each of the following: a. 0.20 b. 9.05 c. 164300 (1 mark) Q2. Report each of the following measurements using both the scientific notation and metric prefix systems:
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NUMBER SYSTEM Definition It defines how a number can be represented using distinct symbols. A number can be represented differently in different systems‚ for instance the two number systems (2A) base 16 and (52) base 8 both refer to the same quantity though the representations are different. When we type some letters or words‚ the computer translates them in numbers as computers can understand only numbers. A computer can understand positional number system where there are only a few symbols
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Digital Electronics‚ 2003 BINARY CODED DECIMAL: B.C.D. • ANOTHER METHOD TO REPRESENT DECIMAL NUMBERS • USEFUL BECAUSE MANY DIGITAL DEVICES PROCESS + DISPLAY NUMBERS IN TENS IN BCD EACH NUMBER IS DEFINED BY A BINARY CODE OF 4 BITS. *** 8 – 4 – 2 – 1 MOST COMMON CODE 8 – 4 – 2 – 1 CODE INDICATES THE WEIGHT OF EACH BIT 23 – 22 – 21 – 20 E.G. 934 = 1001 0011 0100 9 3 4 FOR EACH DIGIT A BINARY [NORMAL] CODE IS ALLOCATED. OHER REPRESENTATION FORMS ARE 2-4-2-1 AND EXCESS-3 Ovidiu Ghita Page
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