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Explain the term- Looking at existing paperwork
This allows analyst to see how paper files are kept and look at operating instructions and check accounts, training manuals etc. This will give some idea of the scale of the problem to analyst, memory size requirements, type of I/O devices required, and so on. They will every so often gain information not obtained by any of the other methods depicted above. Yet, it can be a very time consuming exercise.
Explain two dimensional array In two dimensional arrays, array is a pointer-to-pointer-to-data type.: at the first level, it points to a block of pointers, one for each row. Th
What is the use of buffer register? The buffer register is used to avoid speed mismatch among the I/O device and the processor.
Handshake packets: Handshake packets consist of nothing but a PID byte, and are usually sent in response to data packets. The 3 basic types are, NAK, indicating that the data
How many lines of address bus must be used to access 2048 bytes of memory when available RAM chips 128 × 8. How many lines of these will be common to each chip? Ans. AS chips
Q. Describe the External Users of system? External Users: Modern information systems are now reaching beyond the boundaries of traditional business to involve customers and o
Define the Unified Modelling Language (UML) is used to express construct and relationships of complex systems. This was created in response to a request for proposal (RFP) fro
What can be middle wares role within e-commerce? By the utilize info Platform Commerce Server a shopping service can take benefit of reaching the end user onto Open TV, SMS, WA
What are the applications of Electronic Data Interchange in business? The applications of Electronic Data Interchange are as given below: 1. Organisations that use EDI 2
Why don't we permit a minimum degree of t=1 for a B-tree? According to the definition of B-Tree, a B-Tree of order n means that every node in the tree has a maximum of n-1 keys
How many address bits are required to represent 4K memory ? Ans. 12 address bits are required for representing 4K memory, as 4K = 2 2 x 2 10 = 2 12 Therefore 1K = 1024
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