interpreted as the binary symbol for three‚ the decimal symbol for eleven‚ or a symbol for other numbers in different bases. BINARY TO HEXADECIMAL Example 1. Consider Binary: 1000100100110111 (a 16-bit Byte) STEP 1 Break the Byte into ’quartets’ - 1000 1001 0011 0111 STEP 2 Use the table above to covert each quartet to its Hex equivalent - 8937 Therefore ... 1000100100110111 = 8937Hex Converting Decimal to Binary Converting from Decimal to Binary is a little bit harder than going the
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a pencil for any diagrams or graphs. DO NOT WRITE IN ANY BARCODES. Answer all the questions. Unless instructed otherwise‚ give your answers exactly or correct to three significant figures as appropriate. Answers in degrees should be given to one decimal place. For π‚ use your calculator value. You must show all the relevant working to gain full marks and you will be given marks for correct methods‚ including sketches‚ even if your answer is incorrect. The number of marks is given in brackets [ ]
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Aims of the report The aim of this report is to research into basic hardware and software principle’s used in audio and visual processing. Information about RGB colour model and how it used on computer displays will be provided‚ Nyquist theorem‚ WAV structure which includes header information‚ logic gates with information about the 7 gates which are used‚ basic circuits used audio visual systems and how binary is used for audio quality. Research and experimentation will be done into the topics to
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HISTORY OF ALGEBRA M AT H 1 WHAT IS ALGEBRA? • Denotes various kinds of mathematical ideas and techniques • more or less directly associated with formal manipulation of abstract symbols and/or with finding the solutions of an equation. HISTORICAL OBJECTIVES 1. attempts to deal with problems devoted to finding the values of one or more unknown quantities. 2. the evolution of the notion of number 3. the gradual refinement of a symbolic language THE SEARCH OF “EQUATION” • Egyptian Mathematics
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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. Use
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Table Z: Areas under the standard normal curve (negative Z) Second decimal place in z 0.06 0.05 0.04 0.03 0.09 0.08 0.07 0.02 0.01 0.0001 0.0001 0.0002 0.0002 0.00 * 0.0000 0.0001 0.0001 0.0002 0.0002 z -3.9 -3.8 -3.7 -3.6 -3.5 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0
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------------------------------------------------- Please read before you come for the next lesson Additional Notes on significant figures When we use an equipment to take measurement‚ it is important to be honest when reporting a measurement‚ so that it does not appear to be more accurate than the equipment used to make the measurement allows. To achieve this‚ we can control the number of significant figures used to report the measurement. When we look at a number‚ its first significant
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Order of Magnitude * 100.5 = 3.16 (rounding value) * e.g. 4‚200‚000=4.2*106 * since 4.2 > 3.16 the magnitude is 107 (6 is rounded up) The SI System of Fundamental and Derived Units * Fundamental SI Units: Quantity | SI Unit | SI Symbol | length | meter | m | mass | kilogram | kg | time | second | s | electric current | ampere | A | thermodynamic temperature | Kelvin | K | amount of substance | mole | m | luminous intensity | candela | cd | * Derived
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written in scientific notation is written in the form: a x 10b WRITING A NUMBER IN SCIENTIFIC NOTATION * Shift the decimal point so that there is one digit before the decimal point. * Multiply by a power of 10‚ equal to the number of places the decimal point has been moved. * The power of 10 is positive if the decimal point is moved to the left and negative if the decimal point is moved to the right. ENGINEERING NOTATION * Engineering notation is similar to the scientific notation
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references appear as the following: F2- Revenue‚ G2 – Expenses‚ H2 – Balance. 3 6 Create a one-variable data table for the range E2:H18 using the Number of Attendees as the column input cell. Format the results with Accounting Number Format with two decimal places. 7 7 Copy the Number of Attendees substitution values from the one-variable data table (in cells E3:E18)‚ and then paste the values starting in cell E22. 4 8 Type $50 in cell F21 and complete the series of substitution values from $50 to $100
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