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what is winchester technologythe disk and the readwrite heads are placed in a sealed air-filtered enclosure known as winchester
what is page framean area in the main memory that can hold single page is called as page
what is virtual addressthe binary address that the processor used for either instruction or data known as virtual
what is virtual memorymethod that automatically move program and datablocks into the physical main memory when they are needed for execution are
what is associative searchthe cost of an associative cache is higher that the cost of a direct mapped cache due to the need to search all 128 bit tag
what is write missduring the write operation if the addressed word is not in cache then said to be write
what is replacement algorithmwhen the cache is full and a memory word that is not in the cache is referenced the cache control hardware must decide
what are pagesall programs and date are composed of fixed length units known as pages each page consists of blocks of words that occupy contiguous
define user spacethe system space is divided from virtual address space in which the user application programs reside the letter space is known as
define system space management routines are part of the operating system of the computer it is suitable to assemble the os routines into a virtual
what are prefetch instructionsprefetch instructions are those instructions which can be inserted into a program either by the programmer or by the
what is phase encoding or manchestor encoding it is the method for combining clock information with data it is a scheme in which alters in
define access time for magnetic diskthe sum of seek time and rotational delay is known as access time for disks normal 0 false false false
define miss penaltythe extra time required to bring the desired information into the cache is known as miss
define miss rateit is the number of misses states as a fraction of attempted
what are the two ways of constructing a larger module to mount flash chips on a small cardthe two ways are-a flash cardsb flash
what is hita successful access to data in cache memory is known as hit normal 0 false false false en-in x-none x-none
what are the mapping techniquesadirect mappingb associative mappingc set associative
what is load-through or early restartwhen a read miss happens for a system with cache the needed word may be sent to the processor as soon as it is
what is write-back or copy-back protocolfor a write operation using this protocol during write-hit the method is to update only the cache and to mark
what is write-through protocolfor a write operation using write-through protocol during write-hit the cache location and the major memory location
what are the two ways in which the system using cache can proceed for a write operation write by protocol technique write-back or copy-back protocol
define cache linecache block is used to refer to a set of contiguous address location of some size cache block is also referred to as cache
what are the two aspects of locality of reference define themtwo aspects of locality of reference are temporal aspects and spatial aspect temporal
what is locality of referenceanalysis of program represents that many instructions ion localized areas of the program are implemented repeatedly