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Q. What is Read-only-Memory?
Read only memory is an illustration of a Programmable Logic Device (PLD) it implies that binary information which is stored within a PLD is specified in some fashion and embedded within hardware. So information retains even when power goes.
Figure: ROM Design
Above figure (a) presents block diagram of ROM. It comprises 'k' input address lines and 'n' output data lines. An m ×n ROM is an array of binary cell arranged in m (2k = m) words of 'n' bits each. ROM doesn't have any data input since write operation is not defined for ROM. ROM is categorized as a combinational circuit and constructed internally with decoder and a group of OR gates. In general a m × n ROM (where m= 2k, k = no. of address lines) will have an internal k ×2k decoder and 'n' OR gate. Every OR gates has 2k inputs that are connected to each of the outputs of decoder.
Q. What is External Procedures? These procedures are written as well as assembled in separate assembly modules and afterwards linked together with the main program to form a bi
What are the layers of data description in R/3? There layesr are there:- The external layer. The ABAP/4 layer. The database layer.
Sometimes it is nice to place layers in groups. It makes them simple to organize when you have lots of them. It also means you can simply apply the similar effect to lots of layers
Q. Calculate Register Transfer Time? A clock isn't included explicitly in any statements discussed above. But it is presumed that all transfers take place during clock edge tra
The term byte stuffing refers to: The term byte stuffing consider as to data stuffing used along with character -oriented hardware.
Q. Collective Communications? A number of message-passing systems allow communication involving more than two processors. Such type of communication can be known as collective
creating a control flow question for atm system
How can common bus system be constructed A common bus system could be constructed using multiplexers. These multiplexers select source register whose binary information is then
A certain memory has a capacity of 4K × 8 (i) How many data input and data output lines does it have? (ii) How many address lines does it have? (iii) What is its capacity in bytes
Explain Token Ring. Token Ring: A token ring is a collection of single point -to-point links, which arise from a circle. In a token ring a special bi t pattern, termed as th
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