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On start up the computer fetches information from BIOS. BIOS is a ROM. After that the computer loads OS from Hard disk into the RAM.

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What is the use of read only memory?

it can read only data on the disk are some thing .Ex:cd's, Dvd,s


What is required to refresh a computer after switch on the computer?

When a computer is switched on, it begins by executing instructions stored permanently in ROM. These startup instructions do some self-testing, configuring, and device initialization, and is called the BIOS. The BIOS will load into memory the next set of startup instructions, called the boot loader, which is found in the startup device stored in its configuration. The boot loader in turn loads up and executes the boot instructions of some application, usually an operating system, which performs its own startup and refreshing tasks. These tasks are under the control of, and follow the rules of, that operating system. In summary, whatever is required to refresh a computer after turning it on is determined by its operating system.


Which memory is used during startup computer?

RAM (random access memory) in order for the operating system to run, RAM must be inside the computer.


Is ram permanent memory that assists with computer start up?

RAM is used for storing the start-up instructions on the computer. This serves as the memory of the computer which will retrieve such instructions.


Once in memory the computer can carry out or the instructions in a program?

execute


What stores frequently used instructions and data?

Memory cache stores frequently used instructions and data on a computer. Cache memory is stored on a memory chip in an area of the RAM.


How is a memory-resident part of an operating system different from a nonresident part of an system?

Memory resident instructions are instructions that remain in the memory while the computer is running. Nonresident instructions remain on the storage medium until they are needed.


Electronic device operating via instructions from its own memory?

Computer


What type of computer memory contains a set of instructions that is used to boot up the computer is?

RAM.


What is the idea of stored programs means that instructions for a computing task can be loaded into a computer?

memory


Both computer instructions and memory address are represented by?

Binary Codes


The computer that can move data and instructions between storage and memory in a process is called?

sawpping