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what are the advantages and disadvantages of hardwired and micro programmed controladvantages of hardwired controli operate at high speedii each
explain in details the various standard io interfacesthe various standard io interfaces are 1 the peripheral component interconnectpci bus is a
explain the various interface circuits an io interface having of circuitry required to connect an io device to computer bus one side having of a
explain the different types of buses with neat diagramwhen a word of data is transferred among units all the bits are transferred in parallel over a
explain with neat diagram the internal organization of bit cells in a memory chipmemory cells are usually organized in the form of an array in which
describe the three mapping techniques used in cache memories with suitable examplethe cache memory is a fast memory that is inserted among the larger
what is pipelining what are the various hazards encountered in pipelining explain in detailthe major characteristics of a pipeline area pipelining
explain the multiple bus organization structure with neat diagramthe multiple bus organization is using more buses instead of one bus to decrease the
describe the hardwired control method for generating the control signalshard-wired control can be explained as sequential logic circuit that
describe the micro programmed control unit in detaila micro programmed control unit is built around a storage unit is known as a control store where
what is time slicingwith this technique each program runs for a short period known as a time slice and then another program runs for its time slice
what are the objectives of usba simpleb low costc easy to used supports wide range of data transfer characteristicse plug and play mode of
define usbthe universal serial bususb is an industry standard developed to give two speed of operation known as low-speed and full-speed they provide
what is scsians it is the acronym for small computer system interface it refers to a standard bus explained ansi devices such as disks are linked to
what is pci busthe peripheral component interconnectpci bus is a standard that handles the functions found on a processor bus but in a standardized
what is a serial port a serial port transfers and receives data single bit at a
what is a parallel porta parallel port transfers data in the form a number of bits typically 8 to 16 concurrently to or from the
what is port what are the types of port availablean io interface having of circuitry needed to connect an io device to computer bus one side consists
what is bus arbitrationit is method by which the next device to become the bus master is selected and bus mastership is transferred to it there are
what is a privileged instructionto protect the operating system of a computer from being corrupted by user programs particular instructions can be
what are the different methods used for handling the situation when multiple interrupts occurs1 vectores interrupts2 interrupt nesting3 simultaneous
define exceptionthe term exception is used to transfer to any event that causes an
define interruptan interrupt is any exceptional event that causes a cpuu to temporarily transfer control from its present program to another program
what is program-controlled ioin program controlled io the processor repeatedly checks a status flags to achieve the needed synchronization among the
what do you mean by memory mapped ioin memory mapped io there is no particular input or output instructions the cpu can manipulate io data residing