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What are interrupts?
Interrupt: An interrupt is a hardware mechanism which enables an external device, classically input/output devices, to send a signal to the CPU. An interrupt signal requests the CPU to interrupt its present activities and attend to the interrupting devices requires. A CPU will check interrupts only after this has done the processing of one instruction and before this fetches a subsequent one.
Q. What are the elements of an instruction? As the function of instruction is to communicate to CPU what to do it needs a minimum set of communication such as: What op
Describe the Electronic Data Exchange (EDI) architecture in brief. Electronic Data Interchange (EDI) may be generally easy to understand as the replacement of paper-based purch
a. Determine any three restrictions that apply to class members. b. Is it possible for single class to be a friend of another class? Illustrate this using a suitable C++ program
Describe Real and protected mode: Operation of Real mode interrupt: When microprocessor completes executing the current instruction, it concludes whether an interrupt is act
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
What are the drill-down features provided by ABAP/4 in interactive lists? ABAP/4 gives some interactive events on lists such as AT LINE-SELECTION (double click) or AT USER-COM
Define ROM? It is a non-volatile memory. It includes only reading of stored data.
Explain Auto increment and Auto decrement mode The register is incremented or decremented after (or before) its value is used to access memory. The address stored in the regi
How many address bits are required to represent a 32 K memory ? Ans. 32K = 25 x 210 = 215, Hence 15 address bits are needed; Only 16 bits can address this.
Q. Convert the following DECIMAL numbers into OCTAL, double check by converting the result OCTAL to DECIMAL. a) 932 b) 4429.625 c) 19
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