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The protection of memory allocated to one program from unauthorized access by another program is called memory protection. It may refer to protection among various programs in a multi tasking environment or in between OS and a program in a single tasking environment. It is needed to prevent a bug within a process from affecting other processes. It also prevents system crash in case of error on OS.
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What is the meanings of contiguous memory?
Memory allocation: When a program asks for memory and gets it.Contiguous allocation: When the memory is in one big block, for example memory addresses 1000-2000, as opposed to "fragmented allocation" where the memory comes as several smaller blocks in different places, for example memory addresses 1000-1050, 2050-2125, ...Memory protection: Normally some sort of limitation on who can write to which memory, to reduce the risk that a bug or a virus can damage data or bring down the computer.
Where the Memory is allocated for a variable in a program?
if a variable is of value type memory is allocated on stack memory.. if it is of reference type,memory is allocated on heap memory..
Distinguish between primary memory and auxiliary memory?
the main memory is the central storage unit of the computer system. it is relatively large and fast memory used 2 store the programs and data during the computer operation.main memory communicates directly with the CPU. main memory includes RAM and ROMs. devices that provide backup storage are known as auxillary memory. auxillary memory are relatively slow in comparision to the main memory. auxillary memory includes flash memory,magntic disks and floppys. main memory is located inside the CPU but auxillary memory is located out the CPU. the main memory is the central storage unit of the computer system. it is relatively large and fast memory used 2 store the programs and data during the computer operation.main memory communicates directly with the CPU. main memory includes RAM and ROMs. devices that provide backup storage are known as auxillary memory. auxillary memory are relatively slow in comparision to the main memory. auxillary memory includes flash memory,magntic disks and floppys. main memory is located inside the CPU but auxillary memory is located out the CPU.
Define primary memory?
primary memory is built in memory on a computer it is the main type of memory.... eg RAM ROM and HDD
What are types of memory allocation?
There are two types of memory allocations. 1. Static memory allocation 2. Dynamic memory allocation
Is the write protection on usb memory card readers hardware or software write protection?
The write protection on the USB memory card readers is both a hardware and software protection.
What does the write protection switch do on a Secure Digital memory card?
The write protection switch on the secure digital memory card helps prevent the accidental erasure of the data in the memory card.
How do you disable write protection on a memory card?
Adjust the switch on the memory card adapter
What is hardware protection mechanism in operating systems?
CPU protection Memory protection I/O protection Dual mode protection. Research more about these and maybe you will get where you are going.
Does certain USB memory card readers support write protection for SD memory cards?
memory password forget
What are desirable attributes for memory management?
protection encryption
What are the desirable attributes for memory management?
protection encryption
How is protection affected in sgmentation of memory?
Protection in the segmentation of memory is protected by disallowing a process that is in use to access the memory of other processes that are not being used. It is a barrier between processes to protectÊthose not in use from possible virus infection or malicious software infection.
What is the salient features of 80286?
memory management and data protection capability
Remove write protection in memory card?
Removing write protection from a memory card is simple. Just insert it into the USB drive, and then double click on the flash drive icon when it pops up in the tray. Next, go to properties, and then click the checked box beside 'write protection.' That will remove the write protection from the drive.
How do you remove the write-protection from your Nokia N70 phone memory card?
it can remove..
What memory errors can cause frequent errors in windows?
general protection fault
