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Using any design approach, plan and design the following problem: (show the Block Diagram, Truth Table, Simplification Approach Solution, Circuit Diagram) 2. Simple Security System A simple security system for two doors consists of a card reader and a keypad. Cand Reader To Door To Dor 2 To Alam Logic Circuit D E Keypad A person may open a particular door if he or she has a card containing the corresponding code and enters an authorized keypad code for that card. The outputs from the card reader are as follows: A B No card inserted Valid code for door 1 0 1 0 0 Valid code for door 2 1 1 Invalid card code 10 To unlock a door, a person must hold down the proper keys on the keypad and, then, insert the card in the reader. The authorized keypad codes for door 1 are 101 and 110, and the authorized keypad codes for door 2 are 101 and 011. If the card has an invalid code or if the wrong keypad code is entered, the alarm will ring when the card is inserted. If the correct keypad code is…

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Please answer question 1C, 1D with details on why its true or false. Please make handwriting legible. Thank you

Solve this question step by step explain each step in detail and easy to understand thank you.

The logic function implemented by the multiplexer circuit is (ground implies a logic "0") 4x1 MUX 1。 1₁ 1₂ 13 S₁ S₂ P Q Y -F

A Moving to the next question prevents changes to this answer. Question 2 To convert (11110101)2 to BCD code, how many steps you use? What are they? What is the result of conversion? (write your answer in the box below (do not include this in your pdf file)

Draw a circuit block of a 4-1, 8-1, and 16-1 MUX. For each MUX, identify and label the data selector, data inputs, and output. Also explain the number of input and selector data of each MUX.

The lowest address contained in the ROM memory is: A13 A12 All B 1 A10- El A 4 ROM dcs 0000 2D00 3C00 200 3D00 7D00 7C00 O00 OK 74LS138

Q2B. Sketch the output of the analoque computer shown below and find its describing function [suppos any variable to find the DF]. +1 ew2 HI 2 1.0 +21 LO SJ SJ W LO e 1.0+|01| HI

Answer the following questions regarding Makefile. . What chmod +x. In the code below for a Makefile, . REM = rm LIB libutil clean: $ (REM) .0 *.out $(LIB) core Explain what is REM and LIB called. • What this makefile does upon execution of make command in the terminal of the containing folder • What is the target Target in this makefile.

Suppose r0=0x300010A0, r2 = 0x00000011, and the memory layout is as follows. Address Data 0x300010A7 0x72 0x300010A6 0xA5 0x300010A5 0x9F 0x300010A4 0x00 0x300010A3 0x50 0x300010A2 0x2B 0x300010A1 0xA5 0x300010A0 0x01 What is the value of 10 and r1 after executing LDR r1, [r0, #2]?

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Given A = 40 and B = 60 in base 10. %3D %3D convert A and B to binary using 7 digits find – B in binary using 2's complement Find S = A+ (-B)in binary, Convert the result using 2' scomplement method to find the S in decimal representation. (you should get – 20).