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Compare the memory devices RAM and ROM.
Ans. Comparison of Semi-conductor Memories RAM ands ROMThe advantages of ROM are:1. This is cheaper than RAM.2. This is non-volatile. Thus, the contents are not lost while power is switched off.3. This is available in larger sizes than RAM. '4. Contents these are always identified and can be easily tested.5. This does not need refreshing.6. There is no option of any accidental change into its contents.The advantages of RAM are:1. This can be replaced and updated.2. This can serve as temporary data storage.3. This does not need lead time (like in ROM) or programming time (like in PROM).4. This does not need any programming equipment
What controls the screen flow? The SET SCREEN and LEAVE SCREEN statements controls screen flow.
Q. Illustrate working of Pocket and PC-Card Modems? Pocket Modems: Small external Modems used with notebook PCs. PC-Card Modems: PC and Modems are read with PCMCIA slots w
What is a FIFO? FIFO is otherwise known as 'named pipes'. FIFO (first-in-first-out) is a particular file which is said to be data transient. Once data is read from named pipe,
Write Hit Policies: Write through o Update next level on every write o Cache is always clean o A lots of traffic to next level (mostly write) Write
What is XML DTD (Document Type Definition)? DTD is a document which defines legal building blocks of a particular XML document. This defines the document structure along with
What are the different connectivity options accessible to Internet Subscribers? Explain in detail. Internet Connectivity Options: Internet access is perhaps one of the ma
Q. What are cosmic rays? The ionising radiation several times stronger than γ-rays entering the earth from all the directions from cosmic or interstellar space is known as cosm
Bitwise Left Shift and Right Shift Operators: > shift-expression : additive-expression shift-expression > additive-expression The bitwise shift operators shift their
Define File record length ? File record length must be selected to match the data characteristics.
Some of the fundamental considerations for instruction set design includes selection of: A set of data-types (For example: integers, long integers, doubles, character strin
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