Question: Design a code converter circuit to convert the 4x3 keypad outputs (4 rows 3 columns = 7 outputs ) to a 4 bit binary code

Design a code converter circuit to convert the 4x3 keypad outputs (4 rows 3 columns = 7 outputs ) to a 4 bit binary code as below :

0-9: 0000 to 1001

*-1010

#-1011

Nothing pressed - 1111

Step by Step Solution

★★★★★

3.41 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To design a code converter circuit that translates the outputs from a 4x3 keypad which typically has 7 outputs 4 for rows 3 for columns to a 4bit bina... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Convert (7345321)8 to its binary expansion and (10 1011 1011)2 to its octal expansion?

Design a 4 Ã 4 keypad scanner for the following keypad layout. (a) Assuming only one key can be pressed at a time, find the equations for a number decoder given R 3-0 and C 3- 0 , whose output...

write the Keil programming? Objectives: Design a safe using 4x4 Matrix Keypad and 7 Segment Display. The safe will require a 4 digit pin to open which will light a led when successful. When the...

Q5) A combinational circuit with internal signals and signal propagation delays Shown below is a combination circuit that takes 5 inputs (L0, L1, L2, L3, and Comp), and generates 4 outputs (L4, L5,...

For the machine instruction BD57, the op-code field is and the operand field is Write the instruction as an actual 16-bit pattern. (6 points) Suppose a block of data is stored in the memory cells of...

a) i) For the autocorrelation word 1011 what is the value of R(2)? ii) For autocorrelation, what is the definition of D, the Index of Discrimination? iii) With respect to codewords, state what is...

HOMEWORK # 3: CS 386 Due Date: February 29, 2018 b autokey system 2. This problem explores the use of a one-time pad version of the Vigenre cipher. In this scheme, the key is a stream of random...

Use list comprehension, nested for-loops, string's join function and casting function str()), create a list of all 4-bit binary patterns like this: ['0000' '0001', 0010', '0011', 0100', 0101', 0110',...

Nay programming languge is fine (MatLab, Octave, etc.) This is the whole document this last picture i sent is the first page 5. Write and save a function Sphere Area that accepts Radius as input...

Write the program in Notepad and run it successfully in SPIM before uploading it to eCampus by the due date. If not running correctly, include comments on what assembly error or output you are...

Consider a situation in which two competing companies choose between two technologies to manufacture a product. Technology A is a clean technology. Technology B pollutes a nearby river whose water...

QUESTION 5 Explain how the sentiment analysis could be used by Spar (South African supermarket) to improve customer service quality. Include the following: a. explain the nature and importance of...

You and your friend want to start a company that sells pancakes. Your friend can make 1 pancake in 1 minute and process a payment in 2 minutes. You take 4 minutes for 1 pancake and 2 minutes for the...

Consider a source computer (S) transmitting a packet of size 15000 bits to a destination computer (D) over a network of two routers (R1 and R2) and three links (L1, L2 and L3). L1 connects S to R1;L2...

Modify the Horizontal (Value) Axis so that Maximum bound is 11000. Keep the Format Axis task pane displayed

23 'I' The average student Loan debt for college graduates is $25,950. Suppose that that distribution is normal and that the standard deviation is $13,550. Let X = the student loan debt of a randomly...

Which of the following statements regarding the bootstrapping process of the operating system is FALSE? a . The bootstrap process happens in two stages. b . The bootstrap program is held in ROM...

1. As a general strategy, would you recommend that Carl take an aggressive approach to capacity expansion or more of a wait-and-see approach? 2. Should Carl go with the option for one facility that...

How many ways are there to distribute six indistinguishable objects into four indistinguishable boxes so that each of the boxes contains at least one object?

What do you obtain when you apply the selection operator sC, where C is the condition (Airline = Nadir) ¨ (Destination = Denver), to the database in Table 8? TABLE 8 Flights. Airline Flight...

Show that the regular grammar constructed from a finitestate automaton in the proof of Theorem 2 generates the set recognized by this automaton.

A student group at a university located in the Midwest is conducting a study to determine whether there is a difference between textbook prices for new textbooks sold by the on-campus bookstore and...

The Eaton Company sells breakable china through a mail-order system that has been very profitable. One of its major problems is freight damage. It insures the items at shipping, but the inconvenience...

Before the unprecedented decline in home sales that started in late 2008, the National Association of Realtors profile of home buyers and sellers indicated the percentage of home buyers who are...