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Consider the following statements regarding PROM/EPROM: 1. The erasable programmable ROM using ultraviolet erasing is known as EPROM. 2. The ROM that makes use of the electrical voltage for erasing is known as electrically alterable ROM. 3. A PROM can be programmed many times after fabrication. Which of the above statements are correct?
A BCD to Excess 3 converter is designed using a PROM circuit. How many words does the PROM contain?
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the suggested courses of action logically follow (s) for pursuing. Statement: With one year to go for 2019 parliamentary elections, Prime Minister Narendra Modi has stepped in to ensure results can be seen on the ground. The Centre has asked states to focus on impactful and public-private-partnership based smart city projects, which would show results over the next one year and have a review mechanism in place. Ministry of housing and urban affairs, the nodal ministry for Smart Cities Mission has identified 261 impactful ventures worth Rs. 31,000 crore and PPP projects worth Rs. 32,000 crore for the states to work on. Courses of Action: I. The move follows directives from the Prime Minister. During a review of Smart Cities mission last week, PM Modi had emphasized on early implementation of projects and suggested that the chief secretaries of all states should review the progress of the implementation. II. These identified projects account for an investment of Rs. 31,112 crore. The states have also been asked to work on 370 PPP projects that involve an investment of Rs. 32,410 crore The impactful projects identified range from building 40 outdoor fitness centres in New Delhi Municipal Council area at a cost of Rs. 1.31 crore to redevelopment of 340 acre area in Bhopal at a cost of Rs. 3,000 crore.  III. Secretary (housing and urban affairs) D. S. Mishra has written to chief secretaries of states and asked them to focus on the belated implementation of smart city projects that have a visible and transformative impact in the lives of citizens in identified smart cities.
Based on the paragraph given below answer the following question: The traditional methods of combinational circuits involve simplification and realization using gates. Using these methods, complex functions have been integrated and are easily available in IC form. There is an attractive array of devices like a multiplexer, demultiplexer, decoders, comparators, parity generators/checkers, which significantly reduce IC package count there by reducing the system cost. The system design is greatly simplified because the laborious and time-consuming simplification methods are generally not required with these devices. This also improves the reliability of the system by reducing the number of external wired connections. But they have some limitations as well. Different memories like ROM, PROM can also be used to implement combinational circuits without much simplification.   A ROM is to be used to implement a “Squarer”, which outputs the square of a 3-bit number. What must be the size of the ROM?
Based on the paragraph given below answer the following question: The traditional methods of combinational circuits involve simplification and realization using gates. Using these methods, complex functions have been integrated and are easily available in IC form. There is an attractive array of devices like a multiplexer, demultiplexer, decoders, comparators, parity generators/checkers, which significantly reduce IC package count there by reducing the system cost. The system design is greatly simplified because the laborious and time-consuming simplification methods are generally not required with these devices. This also improves the reliability of the system by reducing the number of external wired connections. But they have some limitations as well. Different memories like ROM, PROM can also be used to implement combinational circuits without much simplification.   Consider the following digital circuits. 1. Multiplexers 2. Read Only Memories 3. D-latch 4. Circuit as shown in figure below Which of these come under the class of combinational circuits?
Based on the paragraph given below answer the following question: The traditional methods of combinational circuits involve simplification and realization using gates. Using these methods, complex functions have been integrated and are easily available in IC form. There is an attractive array of devices like a multiplexer, demultiplexer, decoders, comparators, parity generators/checkers, which significantly reduce IC package count thereby reducing the system cost. The system design is greatly simplified because the laborious and time-consuming simplification methods are generally not required with these devices. This also improves the reliability of the system by reducing the number of external wired connections. But they have some limitations as well. Different memories like ROM, PROM can also be used to implement combinational circuits without much simplification. In a BCD Subtractor if the sum of minuend and the nine’s complement of the subtrahend is not a valid BCD Code, then which binary number is added to the sum to get the correct answer?
Based on the paragraph given below answer the following question: The traditional methods of combinational circuits involve simplification and realization using gates. Using these methods, complex functions have been integrated and are easily available in IC form. There is an attractive array of devices like a multiplexer, demultiplexer, decoders, comparators, parity generators/checkers, which significantly reduce IC package count there by reducing the system cost. The system design is greatly simplified because the laborious and time-consuming simplification methods are generally not required with these devices. This also improves the reliability of the system by reducing the number of external wired connections. But they have some limitations as well. Different memories like ROM, PROM can also be used to implement combinational circuits without much simplification. A logic circuit required for converting BCD Code to 7 segment Code is known as:
Based on the paragraph given below answer the following question: The traditional methods of combinational circuits involve simplification and realization using gates. Using these methods, complex functions have been integrated and are easily available in IC form. There is an attractive array of devices like a multiplexer, demultiplexer, decoders, comparators, parity generators/checkers, which significantly reduce IC package count there by reducing the system cost. The system design is greatly simplified because the laborious and time-consuming simplification methods are generally not required with these devices. This also improves the reliability of the system by reducing the number of external wired connections. But they have some limitations as well. Different memories like ROM, PROM can also be used to implement combinational circuits without much simplification. The minimum number of selection lines required for selecting one of the 16 inputs are:
The cell type used inside a PROM is ___________
Which of the following is not true about PROM?