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For what an append query be used?
It is simple to append records from one table to another using an append query. There is no requirement for the tables to have the similar number of fields or same field names. Though, the two tables must have matching fields and the data for primary key field should be unique and non-empty
#what is decoders? explain with diagram
explain different design interrupt processing?
Describe the three mapping techniques used in cache memories with suitable Example. The cache memory is a fast memory that is inserted among the larger slower main memory and t
what are the feasibility study of online result management system?
Q. How to Load DOS from Hard Disk? To Load DOS from the Hard Disk of your computer, follow these steps: 1. Turn on the power ON/OFF switch of the CPU unit of your PC the pow
Determine about the Voice Systems Speech recognizers are used in some graphics workstations as input devices to accept voice commands. The voice-system input can be used to ini
What is the Semiconductor memory chip A semiconductor memory chip comprises a large number of cells organized into an array and the logic necessary to access any array in the c
Why is Multiplexer Tree needed? Draw the block diagram of a 32:1 Multiplexer Tree and explain how input is directed to the output in this system. Ans. One of the possible
Define port? Give types of port available? Ans: An I/O interface consists of circuitry needed to connect an I/O device to computer bus. One side consists of a data path contain
What is fan-out? Estimate the average count of every "many" association encountered with the path. Multiply the individual fan-outs who obtain the fan-out of the whole path, wh
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