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What is Random access memory (RAM)
This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Before a program can be ran it should first be loaded into RAM that allows CPU to access the program. Battery-backed RAMs overcome data loss on switching power off though are outside the scope of these booklets.
(NOTE: For completeness, it's worth mentioning that two types of RAM exist termed as SRAM (static RAM) and DRAM (dynamic RAM) - SRAM doesn't need to be constantly refreshed to retain its memory unlike DRAM. Also consider that computers use cache which is a part of memory made from SRAM. Memory caching works as programs generally access the same data or instructions over and over again. By retaining as much information as possible in SRAM, computer operates more quickly (cache is generally termed level 1, 2 or 3 (termed L1, L2 or L3)).
Explain about Bus of register transfer Since a computer has several registers, paths must be provided to transfer information among registors. If separate lines are used amon
Qualifications of security professionals For the security professionals, it is essential that they have adequate freedom to check the security measures and enforce them and
Define DMA controller. The I/O device interface control circuit that is used for direct memory access is called as DMA controller.
Explain a binary semaphore with the help of an example? An abstract data type (ADT) is a semaphore which defines a nonnegative integer variable that apart from initialization i
Class is a user-defined data type in C++. It can be formed to solve a particular kind of problem. After creation the user require not know the specifics of the working of a class.
What is Function scope Function scope: A label is the only part of identifier that has function scope. A label is declared implicitly by its use in a statement. Label names m
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Within micro controller's software, it is very useful to be able to manipulate binary bits i.e. from ports etc. The ALU has command to shift data, rotate data, compare data, set/cl
Parallel computing has been a topic of interest in computing society over the previous few decades. Ever-growing amount of databases and increasing complexity of new problems are
Ask question #Minimumstate and explain thevenins theorem as applicable to electrical circuits 100 words accepted#
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