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Q. What do you mean by Daisy chain?
This scheme provides a hardware poll. With this scheme, an interrupt acknowledge line is chain by different interrupt devices. All I/O interfaces share a common interrupt request line. When processor senses an interrupt it sends out an interrupt acknowledgement. This signal passes via all I/O devices till it gets to requesting device. First device that has made interrupt request so senses signal and responds by putting in a word that is generally an address of interrupt servicing program or a unique identifier on data lines. This word is also called as interrupt vector. This address or identifier in turn is used for selecting an appropriate interrupt-servicing program. Daisy chaining has an in-built priority scheme that is determined by sequence of devices on interrupt acknowledge line.
Q. Convert the following into POS form 1. (AB + C + DC)(AB + BC + D) 2. WYZ + XYZ + W'X'Y + W'XYZ 3. XY + XZ + X'YZ' 4. (A+B'+C) (AB+AC') 5. F(A,B,C,D)=M(0,3,
Q. Interconnection network in the form of a Linear Array? The sorting problem particularly selected is bubble sort and interconnection network may be represented as n processor
What is meant by Wired-AND connection of digital ICs? Ans: Wir
What is boiler trouble
Digital circuits also manipulate logicalexpressione.g. IF account is in credit THEN allow phoneto make calls.So a digital circuit must determine if somethingis TRUE or FALSE. Norma
Use tabs to bring some structure into your function body if(nPos > 1) then nRetrun = True else nRetrun = False end if
A distributed workstation cluster must be viewed like single computing resource and not as a group of particular workstations'. Details of cluster were: 150MHz R4400 workstatio
Indirect addressing mode - assembly language: The Indirect addressing mode and the address field of the instruction refers to the address of a word in memory, which in turn co
How many lines of address bus must be used to access 2048 bytes of memory when available RAM chips 128 × 8. How many lines of these will be common to each chip? Ans. AS chips
What is the purpose of IOP. The purpose of IOP is to given an independent path way for transfer of information among external and internal memory.
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