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A field containing quantity amounts (data type QUAN) must be assigned to a reference table and a reference field. Explain?
As a reference table, a system table having all the valid quantity units is assigned or any other table, which have a field with the format or quantity units (data type UNIT). This field is known as reference field.
The assignment of the field having quantity amounts to the reference field is made at runtime. The value in the reference field verifies the quantity unit of the amount.
Write 8086 initialisation routine required to program 8255 for mode 1 with Port A and Port B as output Ports and Port C as an input port. Indicate all the relevant signals.
How address resolution is performed with table lookup? Explain with the help of a suitable example. The approach of table lookup to address resolution needs a data structure wh
Which of following requires refreshing SRAM., DRAM., ROM. or EPROM. ? Ans. DRAM. requires refreshing.
When entering word into the cell, press Alt-Enter to insert a line break. When you do so, Excel will automatically give text wrapping to the cell. To reformat existing cells s
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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 num
What are the disadvantages of file processing system?
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