b) The total number of bytes for the above words is 20 bytes. () Let's Play State the number of characters that are represented by the above words. (ii) Identify the Information Coding Scheme which is mapped to these characters. (ii) State two (2) Information Coding Schemes apart from 1b) (ii).
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- (For thought) a. A token of a computer language is any sequence of characters, with no intervening characters or white space, that taken as a unit has a unique meaning. Using this definition of a token, determine whether escape sequences, function names, and the keywords listed in Table 2.1 are tokens of the C++ language. b. Discuss whether adding white space to a message alters the message and whether messages can be considered tokens of C++. c. Using the definition of a token in Exercise 4a, determine whether the following statement is true: “Except for tokens of the language, C++ ignores all white space.”Why do we use binary encodings to represent information in the computer? What would be the pros and cons of using base-10 instead of base-2?Consider a hypothetical 8 bit floating point machine representation with a sign bit, a 3 bit exponent, and a 4 bit mantissa (se1e2e3b1b2b3b4), where the exponent bias is 3 (add 3 to exponent of number to form machine representation). Recall that actual mantissa has 5 bits, since the leading 1 is not stored on the machine. (a) What is the number ?≈2.718 in this 8-bit format? (b) What is the number that (10100111)2 represents in this 8-bit format? (c) What is the upper bound of the relative error when representing a real number in this 8-bit format?
- Answer the given question with a proper explanation and step-by-step solution. Consider a Hamming (7.4) code in which the parity bits are calculated according to the following equations: r0 = a0 + a1 + a2 r1 = a1 + a2 + a3 r2 = a0 + a1 + a3 The following dataword is to be coded with this scheme: format: a3 a2 a1 a0 0010 What is the parity code for the above dataword? Show it in decimal format for (r2,r1,r0); e.g. if the resulting bits are r2=1, r1=0, r0=0 (100), type the decimal equivalent of 100, which is 4.Explain the term masking. How is it useful for data representation? Explain the concept using an example For a floating-point format with a k -bit exponent and an n -bit fraction, give a formula for the smallest positive integer that cannot be represented exactly (because it would require an n + 1 –bit fraction to be exact).Which of the following best describes Von Neumann's architectural style?
- Why do we use binary encoding to represent information in the computer? What would be the pros and cons of using base-10 instead of base-2?What is the relationship between the number of redundant bits required for code and the number of data bits?Show Steps Please 6. Suppose we are given the following subset of codewords, created for a 7-bit memory word with one parity bit: 11100110, 00001000, 10101011, and 11111110. Does this code use even or odd parity? Explain.
- a. Describe and contrast the two methods of byte ordering: big-endian and little-endian. b. Since there is no consensus on which byte ordering style is superior, state 2 points in favour of each method.You need to show detail work on how you get the answer. Dont use answers from other websites please! Please type your answer not picture 2. a) What is "Approximation Error" in floating-point representation? b) Why is it happening? c) How can we minimize it? d) How can the character codes be a solution for this?Consider an encoding scheme where integer numbers from 1 to 26 are encoded as character 'A' ro 'Z'. for example , integer 1 encodes character 'A' integer 2 encodes character 'B' and so on last till integer number 26 which encodes character 'Z'. Using this encoding scheme, design a system to count all possible decodings for a given digit sequence. For example, for digit sequence "1524" there are three possible decodings. 1, 5, 2, 4 - AEBD 1, 5, 24 - AEX 15, 24 - OX