2. A singer voice is sampled for 4 second by an 8-bit ADC at a sampling frequency of 10 kHz. The samples are stored on a memory chip. i. What is the minimum memory size both in [bits and bytes] required to store all the samples? ii. How long the signal must be sampled to store the samples in 100Mbytes CD- ROM iii. What should be the highest frequency component of the signal? iv.If sampling frequency is doubled then how long the signal must be sampled to store samples in 10OMbytes CD-ROM
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- A flash memory of 16 Gbyte is used to store PCM voice data. Suppose that a CT voice signal is sampled at 20 kHz, and each sample is encoded into an 12-bit. How many minutes of the voice signal can be stored (as PCM data) in this memory? If the sampling frequency is doubled, what its impact on storing time? Analyze mathematicallyWhat is a monochrome bitmap? Given a 512 x 512 black-white image, how many bytes are required for its pixel storage?Calculate the PWM frequency and resolution bits for oscillator frequency of 15 MHz and pre-scalar will be (1, 4, and 16). The PR2 value will be 10100001 in 8-bit binary.
- 1. True or False. A n-bit decoder converts binary to any signal 2^n of ouput. 2. True or False. A 8 to 3 encoder needs a 3-bit output. 3. True or False. A 8 to 3 encoder needs a 3-bit input.: The value of pc=(B)h and the value of M[B]=AE h,,M[BB]=AF h and opcode for 011=OR,, 010=AND THE output line on decoder that connects with IR in control unit ?In single precision (IEEE-754 standard), 8 bits are used for storing the exponent (the bias is 127), and 23 bits are used for storing the mantissa. (a) What are the smallest and the largest positive numbers that can be stored in single precision? (b) What is the smallest value of the mantissa that can be stored?
- Task 3: Design of 4-to-1 line Data Selector / Multiplexers: A multiplexer (MUX) is a combinational circuit that selects binary information from one of many input lines and directs the information to a single output line. The selection of a particular input line is controlled by a set of input variables called selection inputs. Normally, there are 2n input lines and n selection inputs whose bit combinations determine which input is selected. 4-to-1 Do MUX y D, a) Complete the truth table of the 4-to-1 line multiplexer. SELECTION INPUT OUTPUT SO $1 Y 1 1 b) Draw the 4-to-1 multiplexer logic circuit.Task 2: Design of 8-to-3 line Encoders: An encoder is a digital function that performs the inverse operation of a decoder. An encoder has 2n (or fewer) input lines and n'output lines. The output lines generate the binary code corresponding to the input value. An example of an encoder is the octal-to-binary encoder. This encoder has eight inputs, one for each of the octal digits, and three outputs that generate the corresponding binary number. It is assumed that only one input has a value of 1 at any given time. 8 to 3 O, line Encoder O2 a) Complete the truth table of the 8-to-3 line encoder and write the output equations. Inputs I | l6 Is | ls 13 | |2 | I; | lo| 02 0, 0 Outputs 0000 0 1 1 Op = O2 = O 00 0000 lo-0 0000 0 200 100 000 000 100 00 000 001 00 000 00001If the floating-point number representation on a certain system has a sign bit, a 3-bit exponent and a 4-bit significand: What is the largest positive and the smallest positive number that can be stored on this system if the storage is normalized? (Assume no bits are implied, there is no biasing, exponents use two's complement notation, and exponents of all zeros and all ones are allowed.) What bias should be used in the exponent if we prefer all exponents to be non-negative? Why would you choose this bias?
- 6. Assume a LFSR has a 4-bit state and a feedback function that XORs the first and third bit from the left. Given the following initial states, list out all of the states the LFSR cycles through, the period, and the sequence of output bits that are repeated. (All numbers are in binary notation) (a) 0000 (b) 0001 (c) 0011 (d) 01104) An image frame of size 480x7200 pixels. Each pixel is represented by three primary colors red, green, and blue (RGB). Each one of these colors is represented using 8 bits, if we transmit 2000 frames in 8 seconds what is the bit rate for this image?21. Given below is the digital data, write a MATLAB program to plot the digital data and the unipolar nrz signal of the given data. [1,0,1,0,0,1,1,1,0]