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The 74LS47 has four inputs for the BCD (8-4-2-1) digits A, B, C and D, and outputs for each of the segments of the seven-segment display. You may feel counting letters and characters are prohibiting you from expressing yourself; that it stifles your writing. It is just right to feel this way. But instead of such feeling, let yourself grow as a writer when you work on limiting the number of characters in your article or text. You may want to work with advert slogans, for instance, like remembering slogans from your childhood days. These are short, succinct and expressive texts to remember. So think of it that way when you count characters or letters in your article. Be stimulated by using synonyms, antonyms, and acronyms to express yourself and become a better writer.

When you write a text or article, it is important to know the number of characters or letters. We all know that we have to express what we feel and how it should be portrayed. And it may not be easy to count the exact number of letters, especially if done manually. If you need to count characters, it may sound a boring and daunting task. However, there are programs or character counters to do the counting for you. In this way, you just write freely whatever you like and the software will do the counting of characters or words for you. BC517 Darlington Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications if using more complex HTML or active content or description longer than 800 characters, the summary content can be specified using HTML (line breaks count as 50 characters)Numbers are often rounded to a specified number of significant figures for practicality, e.g. to present in a news broadcast or to put down in a table neatly. Rounding a number to n significant figures happens in a similar way to rounding to n decimal places, with an important difference. We start by counting from the first non-zero digit for n significant digits and then round the last digit. However, we do not fill in the remaining places to the right of the decimal point with zeroes. This is achieved by using the extra (AND) enable gates, E1, E2 and E3, each of which have one of their inputs connected to CTEN (the inverse of CTEN). When the count is disabled, CTEN and therefore one of the inputs on each of , E1, E2 and E3 will be at logic 0, which will cause these enable gate outputs, and the flip-flop JK inputs to also be at logic 0, whatever logic states are present on the Q outputs, and also at the other enable gate inputs. Therefore whenever CTEN is at logic 1 the count is disabled. Rounding with a given precision based on decimal places differs from rounding to the same precision of significant figures. Examples of rounding of the number 12.345 are presented in the table below. Rounding 12.345 to different levels of precision Rounding precision ( n) CE (Count Enable) - Allows the count to proceed when at 0. Stops count without resetting when at logic 1.

Bit synchronous binary counter with asynchronous reset and synchronous load from Texas Instruments. The rule for adding significant figures is to round the result to the least accurate place. The sum or difference is to be rounded to the same number of decimal places as that of the measurement with the fewest decimal places which reflects the fact that the answer is just as precise as the least-precise measurement used to compute it. For example, 2.24 + 4.1 = 5.34 which has to be rounded to one place after the decimal dot, since 4.1 is only precise to that level, giving a result of 5.3. If we were adding 2.24 and 4.10 though, the result would be 5.34. While common PR and CLR inputs can produce outputs of 0000 or 1111, a PARALLEL LOAD ( PL) input will allow any value to be loaded into the counter. Using a separate DATA input for each flip-flop, and a small amount of extra logic, a logic 0 on the PL will load the counter with any pre-determined binary value before the start of, or during the count. A method of achieving asynchronous parallel loading on a synchronous counter is shown in Fig. 5.6.14. Load Operation

CharacterCounter.COM has been used by over one million people in countries all over the world and is especially popular among students and social media users. TIP127 Darlington Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications At Facebook, users upload and post new photos every day. When uploading pictures, users may need to write a description, which is less than 63,206 characters. Once uploaded, few friends will comment about the post, which should give them a character limit of 8000 characters. Depending on the way in which the counting progresses, the synchronous or asynchronous counters are classified as follows −

ENABLE ( EN) inputs on counter ICs may have a number of different names, e.g. Chip Enable ( CE), Count Enable ( CTEN), Output Enable ( ON) etc., each denoting the same or similar functions.In this case, --number will be rounded to the nearest integer and store the result into --integer. @property --integer {