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The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communication links for interfacing them with CPU. Objective of communication link is to resolve differences which exist between central computer and every peripheral. The key differences are:
To resolve these differences, computer systems include special hardware component between the CPU and peripherals to supervise and synchronize all input and output transfers. These components are called interface units because they interface between the processor bus and the peripheral device.
Describe the scheme of capability lists to implement protection? Capability lists (C- lists): These lists are utilized to make sure that uses only access files that are e
Advantages of DDa algorithms for line drawimg
Can you tell me some of system tasks and their purpose? $display, $displayb, $displayh, $displayo, $write, $writeb, $writeh, $writeo. The most useful of these is $display. T
What is the significance of the memory table 'SCREEN'? At runtime, attributes for every screen field are stored in the memory table called 'SCREEN'. We need not declare this
Explain Pure and impure interpreters In a pure interpreter, the source program is retained into the source form all throughout its interpretation. These arrangements incur subs
Determine the layout of the specified cache for a CPU that can address 1G x 32 of memory. show the layout of the bits per cache location and the total number of locations. a)
Pipelining - computer architecture: The Pipeline Defined According to John Hayes "A pipeline processor consists of a sequence of processing circuits, called stages or
Navigation to a subsequent screen can be specified statically/dynamically Yes, navigation to a subsequent screen can be specified statically.
What is a system call? A system call is a request made through any program to the operating system for performing tasks, picked by a predefined set, that the said
What is the means of communications between R/3 and external applications? The means of communication among R/2,R/3 and external applications is by the CPI-C handler or SAP Gat
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