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What is the PCB and its location?
PCB technologies is an information technology company in Johannesburg, South Africa. A PCB populated with electronic components is called a printed circuit assembly (PCA), printed circuit board assembly or PCB assembly (PCBA). In informal usage, the term "printed circuit board" most commonly means "printed circuit assembly" (with components).
What is a PCB Assembly Service?
Printed circuit board assembly is the process of connecting the electronic components with the wiring of printed circuit boards. The traces or conductive pathways engraved in the laminated copper sheets of PCBs are used within a non-conductive substrate in order to form the assembly. Source: pnconline(dot)com
What are the 4 main components of a plc?
processor or central processing unit (CPU);rack or mounting;input assembly;output assembly;power supply;programming unit, device, or PC/software
The rotating electromagnet coil assembly in a dc motor is called what?
it is called an armature
Write Short note on hydroelectricity power plant?
write a note on hydro electricity
What is the difference between write allocate and no write allocate in terms of cache memory management?
In cache memory management, write allocate means that data is brought into the cache before writing to it, while no write allocate means that data is written directly to the main memory without being brought into the cache first.
What is the GAC What problem does it solve?
Each computer on which the common language runtime is installed has a machine-wide code cache called the global assembly cache (GAC). Assemblies deployed in the global assembly cache must have a strong name. A developer tool named "Global Assembly Cache tool" (Gacutil.exe), provided by the .NET Framework SDK can be used to deploy assemblies to GAC. The global assembly cache stores assemblies specifically designated to be shared by several applications on the computer. It provides us the way to overcome "DLL Hell" problem also.
Minimum requirements for an assembly to be placed in GAC?
Assemblies deployed in the global assembly cache must have a strong name
What is write-through in memory caches?
When a datum is written to the cache, it must at some point be written to the backing store as well. The timing of this write is controlled by what is known as the write policy. In a write-through cache, every write to the cache causes a write to the backing store. Alternatively, in a write-back cache, writes are not immediately mirrored to the store. Instead, the cache tracks which of its locations have been written over (these locations are marked dirty). The data in these locations is written back to the backing store when those data are evicted from the cache. For this reason, a miss in a write-back cache will often require two memory accesses to service: one to retrieve the needed datum, and one to write replaced data from the cache to the store.The preceding information was obtained from the related link at the left.Write Back - Data is written first to the cache, then to the logical drive for better performance. The Promise VTrak has a cache backup battery to protect data in the cache from a sudden power failure.Write Thru - Also written as "Write Through". Data is written to the cache and the logical drive at the same time for safer operation. No battery backup is needed since data is written to the drives immediately.
Is buffered-cache most efficient?
Write-back cache is the most efficient when performance is paramount.
What does it mean when it says cache has a write-through policy and write-back policy?
write through policy is whereby the cache and the main memory locations are updated simultaneously. As for write back policy,the main memory is updated much later when the block cöntaining the words is being removed frm the cache
What is assosciative mapped cache?
An associative cache is a cache that has 1 or more extra slots for each place in memory. So if two pieces of memory map to the same place in cache, you can write both entries. In this case, you will need a cache replacement policy to determine which gets evicted first when it's full and new data arrives.
When was Cache Cache created?
Cache Cache was created in 1981.
Are you familiar with the term MESI?
The MESI protocol, or "Illinois" protocol is a widely used memory coherency or cache coherency protocol used for "Write back cache" for example. Hope this helps!
What are the potential consequences of a cache write miss in a computer system?
A cache write miss in a computer system can lead to slower performance and increased latency as the system has to retrieve data from a slower memory source. This can result in decreased overall efficiency and productivity of the system.
What are the type of cache memory?
There are different type of cache memory: processor cache memory, cache memory ram,1 cache memory l2, cache memory, CPU cache memory, disk cache memory, hard disk cache, cache memory motherboard.
What is the collective noun for cache?
The collective noun 'cache' is used for:a cache of ammunitiona cache of jewelsa cache of moneya cache of weapons
