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WHAT IS COMPUTER?
Computer is termed in the Oxford dictionary as "An automatic electronic apparatus for making controlling operations or calculations which are expressible in logical or numerical terms". It is a device that accepts data, processes the data according to instructions provided by the user, and at last returns the results to user and usually consists of input, output, arithmetic, logic , storage, and control units. The computer can store and control large quantities of data at very high speed.
Q. What is Stack Addressing? In this addressing technique operand is implied as top of stack. It isn't explicit however implied. It employs a CPU Register known as Stack Pointe
The 16 keys (4x4 matrixes) keypads diagram is shown in figure 4 above. Let see how the keypad is connected. Each square of the alphanumeric has to be pushed to make a switch or con
Hypertext vs Hypermedia Hypertext is basically the similar as regular text - it can be stored, read, searched, or edited - with a significant exception: hypertext having co
How do you achieve workflow automation in e-business environment? In order to run easily, organizations often standardize processes across the organization and encourage user
What are the various mechanisms for implementing I/O operations? a) Program controlled I/O b) Interrupts c) DMA
Which TTL logic gate is used for wired ANDing ? Ans. Open collector output, TTL logic gate is used.
Q. Explain about Semiconductor Memories? Originally IC technology was used for constructing processor however soon it was realized that same technology can be used for construc
Differentiate between pre-emptive and non-pre-emptive scheduling. Pre-emptive scheduling : in its approach, center processing unit can be taken away from a process if there is a
Now consider the following spreadsheet: Formula in cell D2 is = (B2/C2) Replicating this formula (by highlighting then drag down to D7) gives all the formulas needed in cell
Q. Explain Logical shifts with example? Logical shifts LOGICAL SHIFT LEFT and LOGICAL SHIFT RIGHT insert zeros to end bit position and other bits of a word are shifted left or
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