A11

Determine the binary values for which the following SOP expression is equal to 1: XYZ + XYZ + XYZ + XYZ + XYZ Is this a standard SOP expression? Determine the binary values for which the following POS expression is equal to 0: (X + Y + ZX + Y + ZX + Y + ZX + Y + ZX+Y+Z) Is this a standard POS expression?

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1. Add the following unsigned binary numbers. 1 1 1 0 1 0 1 1 1 2. Subtract the following unsigned binary numbers. 0 1 1 1 1 1 1 1 1 3. Write the following decimal number in 8-bit true-magnitude form. + 5410 = - 5410 = %3D %3D Work area:

2. Convert the following hexadecimal numbers to octal. (C30D)16; (E57)16; and (30D5)16 3. Write the data (6C)н in gray code and BCD code. 4. Show the value of all bits of a 2-byte that hold the number equivalent to hexadecimal AFB8

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For the following Boolean equation if you have only (8-1) line MUXS. What is the number of multiplexers you need it to implement the following function f(A,B,C,D,E)=Em(0,1,6,7,8,9,10,11,1,24,25,26,27,29,31) * O 6 O 5 O 7

Course: DigitalLogic Design Please solve this question in a 2 hour. Solve it step by step clearly:   Question is inside the image:

Subject: Data Communication Note: Write in own. copy from internet will unhelpful for me. Question: Twenty two sources, four with a bit rate of 400 Mbps, ten with a bit rate of 200 Mbps and eight with a bit rate of 100 Mbps are to be combined using TDM. If the unit size is 20 bits determine the following questions: i. How this can be achieved?ii. Input time slotiii. Frame Sizeiv. Output time slot

15,10 Signal 13,68 16 14 12 7,79 10 5,76g 1,37 1,89 2. 3. 14 Sample Number The given signal is digitized by using PCM using 4 bits. Which one is the correct data? ০ a. 000001111110001000010110 O b. 111100010010100000010110 O c. 111111011000100100010010 O d. 011111110010111001101110 e. 000101111111110100010110 Amplitude (mW)

6) Determine binary trees and Huffman codes for the following Source statistics. 51 52 53 54 0.29 0.15 0.15 0.1 0.1 0.1 0.075 Symbol So Probability 10.20 Probability 2 0.3 0.25 56 57 0-10.05 0.05 0.075 0.05 0.05 S5

Implement the following Boolean function using a multiplexer. Use A, C and D as the select lines, where A is the MSB, and D is the LSB. F(A, B, C, D) = > = >. (1,3,4,8,9,11,12,15) What is the output when A=1, B=0, C=1 and D=0? A. +5V В. OV С. В' D. More than one of the choices E. None What is the output when A=0, B=1, C=0 and D=0? А. +5V В. OV С. В D. More than one of the choices E. None

An analog signal having frequency as 7,30 KHz is digitized and stored in a file. If the total time of the signal is 15 min and the file size is 2,45 Mbit , which answer is correct? O a. Bit = 8 bits Data Rate = 116,8 Kbps O b. Bit = 7 bits Data Rate = 70,1 Kbps O c. Bit = 4 bits Data Rate = 58,4 Kbps O d. Bit = 4 bits Data Rate = 77,9 Kbps O e. Bit = 8 bits Data Rate = 58,4 Kbps

Four voice signals. each limited to 4 kHz and sampled at Nyquist rate are converted into binary PCM signal using 256 quantization levels. The bit transmission rate for the time-division multiplexed signal will be a) 8 kbps b) 64 kbps c) 256 kbps d) 512 kbps

Q8) Design Hexadecimal-to-seven-segment Decoder (a ba la hbedefg following steps: 96. a) Find the truth table for this 0100 0101 b) Plot the seven maps for each of the outputs. 0111 0111 100 A: B: C: D: E: P: c) Simplified the seven outputs functions in SOP i o00100 form, and implement the circuit of above decoder. OLTJCC 1011 110 1 1110110000 Add comment ta lleman Saeed

3. Some GPS receivers use 1 bit ADCS (Analog-to-digital Converters) to sample and quantize the signal i.e. the output of the ADC is simply 2 quantization levels: -1 or +1. This is typically done to save on power. (a) What is the quantization SNR? How does it compare to typical thermal noise SNR of a GPS signal before correlating with the CDMA code? (b) Justify, how come it is possible to sample the signal using a single bit and still get good performance.

1 a) Determine the sampling rate for an analog telephone signal transmittedacross a single channel of a T1 line with a data rate of 128 Kbps (kilobits persecond), assuming that a single sample is converted to an 8-bit integer b) Convert the following IEEE Standard 754 single precision floating-pointnumber to its binary equivalent. 10101011010010111010000000000000 c)Represent the number 1.00011011101 x 2-23in IEEE Standard 754 single precision floating point binary d)Explain the term aliasing and discuss how it can be avoided in digital sampling.

Determine the binary values for which the following SOP expression is equal to 1: XYZ + XYZ + XYZ + XYZ + XYZ Is this a standard SOP expression? Determine the binary values for which the following POS expression is equal to 0: (X + Y + Z)(X + Y + Z)(X + Y + Z)(X + Ỹ + Ž)(X + Ỹ + Z) Is this a standard POS expression? Convert the expression (A + B)(B+C) to standard POS form.

Convert the Moore state diagram of the following figure into an equivalent ASM chart. Check only one variable in each decision box. Minimize the number of decision boxes in each ASM block.

1.If a PCM signal has a maximum PCM decimal code value of +31 and a -31, how many bits were used for coding?

Part II MSI - Multiplexers and Decoders Consider the SSOP function F(W, X, Y, Z) = m (1,3,5,7,9,13,15) Construct the Truth Table of this SSOP. b. Use Karnaugh Map to simplify the SSOP expression. c. Express the simplified function taken from Karnaugh's Map. (Remember: Think big! Think overlapped!) a. Fsimplified W, X, Y, Z) = CCOD YZ Y WX 00 01 10 0 - 25 2 00 4 5 7 100 6 01 12 13 15 X 11 W 8 9 10 N

If a noiseless channel with a bandwidth of 3000 Hz transmitting a signal with two signal levels the maximum Bit rate would be a. 12000 bps b. 6000 bps c. 1800bps d. zero

Subject : Communication systems

Find the unknown value for each of the following physical address. Assume all numbers are hexadecimal numbers (a) D765:???? =DABC0 (b) ????:CD21=32D21

A four bit 1’s complement binary representation of a number is given as 1110.  What would be an eight bit representation of this number using the sign and magnitude method?