10 votes 10 votes State whether the following statements are TRUE or FALSE with reason: RAM is a combinational circuit and PLA is a sequential circuit. Digital Logic gate1990 true-false digital-logic ram pla + – makhdoom ghaya asked Nov 23, 2016 makhdoom ghaya 5.5k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
15 votes 15 votes Both the statements are false. RAM is not a combinational circuit.For RAM, the input is the memory location selector and the operation (read or write) and another byte (which can be input for write operation, or output for read operation), and the output is either a success indicator (for write operation) or the byte at the selected location (for read operation). It does depend on past inputs, or rather, on the past write operations at the selected byte. This is a Sequential logic circuit. PLA is a combinational circuit as ROM & PAL. PLA is a programmable logic device with a programmable AND array and a programmable OR array. A PLA with n inputs has fewer than 2n AND gates (otherwise there would be no advantage over a ROM implementation of the same size). A PLA only needs to have enough AND gates to decode as many unique terms as there are in the functions it will implement. vamsi2376 answered Nov 23, 2016 vamsi2376 comment Share Follow See all 2 Comments See all 2 2 Comments reply rohith1001 commented Oct 13, 2019 i edited by rohith1001 Dec 16, 2020 reply Follow Share This is the same from quora. Can someone please provide some reference for this. 3 votes 3 votes palashbehra5 commented Nov 24, 2021 reply Follow Share https://web.archive.org/web/20170625202302/sce2.umkc.edu/csee/hieberm/281_new/lectures/combinational/storage-components.html 0 votes 0 votes Please log in or register to add a comment.