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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)).
What are the types of calendars in a single interface? Member Event calendar helps users manage their personal time, Kept track of meetings with others, and so on. Tea
Cache Misses Compulsory misses - it is caused by initial access to a block that has never been in the cache (also called cold start misses Capacity miss - it is cause
Write Relational algebra expressions for the given queries. (i) List the employee numbers, employee names and their manager numbers working in several branches who earn more than
Embedded Software Intelligent products have become commonplace for all consumer and industrial market. Embedded software stays in read only memory and is utilised to control
1.Local queue -is a actual queue 2.Cluster queue -is a local queue that is called as throughout a cluster of queue managers 3. Remote queue -structure explaining a queue
The NOR gate. The NOR gate is equivalent to an OR gate followed by a NOT gate so that the output is at logic level 0 when any of the inputs are high otherwise it is at logic le
Q. Speed Up - metrics for performance evaluation? Speed up is ratio of time needed to execute a given program employing a specific algorithm on a machine with single processor
Explain Advantages and Disadvantages of Static Document. The chief advantages of a static document are reliability, performance and simplicity. A browser can display a static d
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