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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. Instruction per cycle in RISC? One instruction per cycle: A machine cycle is total time taken to fetch two operands from registers perform ALU operation on them and store re
Explain about Annotational Notations These notations may be applied to describe remark and illuminate about any element in the model. They are considered as explanatory of U
What is control store? The microroutines for all the instructions in the instruction set of a computer are kept in a special memory known as the control store.
design modulo 12 up synchronous counter using t flip flop
State Disadvantages of object oriented analysis design You know that OO methods only create functional models within objects. There is no place in methodology to design a compl
What is the purpose of guard bits used in floating point operations? The guard bits are the extra bits which are used to retain the in-between steps to enhance the accuracy in
Subtraction of 01100-00011 using 2's complement method Ans. Firstly 1's complement of 00011 is 11100 and 2's complement is 11100 + 1 = 11101. Thus If a last carry is
Q. Show the Features of a typical floating-point representation? The features of a typical floating-point representation of 32 bits in above figure are: Left-most bit is
Explain the need for user-defined functions. The need for user-defined function: 1. A programmer might be having a block of code that he has repeated forty times all over t
Implementing Protection with Virtual Memory - computer architecture: To enable the operating system to implement protection in the VM system, the HW have to: I. Support at
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