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Give the example of Spreadsheet
By selecting cell C1 and dragging the formula down to C5 the below formulae will be replicated in C2 to C5: (A2*B2), (A3*B3), (A4*B4) and (A5*B5)
- Formulas are used to signify a mathematical function
e.g. = (C5 * D5) * 100
= A5 + B5 + C5+ D5
- Functions allow computations to take place
For instance SUM, AVERAGE, MAX, MIN
For instance the second formula above could be written as = SUM (A5:D5)
- It is also possible to use mathematical/logical expressions within cells
What are vectored interrupts? To decrease the time involved in the polling process, a device requesting an interrupt may recognize itself directly to the processor. Then the pr
What are the methods for handling deadlocks? The deadlock problem can be dealt with in one of the three ways: a. Use a protocol to prevent or avoid deadlocks, make sure th
The main benefits of CD-ROMs are: These are removable disks, thus they are suitable for archival storage mass replication is cheap and fast large storage capacity
Give example of bus and memory transfer For example, the read operation for transfer of a memory unit M from address register AR to another data register DR can be illustrated
What is digital decoders
What is meant by hotspots? A Hotspot is a list area where the mouse pointer appears as an upright hand symbol. When a user points to that area (and the hand cursor is active),
Address phase timing: On the rising edge of clock 0, the initiator notes IRDY # and FRAME# both high, and GNT# low, so it drives the command, address and asserts FRAME# in tim
a. Activity diagram: Activity diagram is used for functional modelling. Captures the process flow. b. Sequence diagram : Sequence diagram is used for dynamic modeling.
Q. What is Dot Pitch of a CRT? Dot Pitch of a CRT is the distance between phosphor dots of same colour. In Trinitron screens, the term Slot Pitch is used in place of Dot Pitch
Define bus. When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines called bus. In addition to the lines that take the data
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