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Explain in detail about Operating Systems (OS)
Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other applications/programs. On a PC, first program which runs is stored on a ROM chip. This program checks system hardware to make sure everything is functioning routinely. This checks CPU, memory and basic I/O systems (bios) for errors. If all is satisfactory, BIOS will activate disk drives. When hard drive is activated, OS is found in boot and is then loaded.
Q. Explain about Microcomputers? Microcomputers: A microcomputer's CPU is a microprocessor. They are characteristically used as single usercomputer though present day microco
Move the mouse pointer over the object you wish to drag, and then hold down the left mouse button. Whereas holding the mouse button, move the mouse pointer (and the object) to the
Q. Explain about Variable-Length of Instructions? With the better understanding of computer instruction sets designers developed the idea of having a range of instruction forma
How does the Applet update its window when information changes? Whenever an applet requires to update the information displayed in its window, this simply calls repaint ( ) way
What are the server specific middle wares? Server specific middle wares. Their role in e-commerce. Additional features needed by e-commerce server. Middleware is the term of
a. What are the differences among conventional signatures and digital signatures? Write a short note on "Attacks on digital signature". b. What is Public-Key Infrastructures
Show the two ways in which Warnings can be suppressed in PHP? 1) Stop an individual function call from producing an error message put the @ warning suppression Operator front o
The next type of input is a Pull Down List. With this type you have to employ in place of and it also has a closing tag. This control is used when we have a
Discuss the role of handler’s classification?
state and explain the advantages of having densely packed integrated Circuits in the computer
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