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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. Illustrate basic working of Physical layer? Physical layer: Physical layer is concerned with sending raw bits between source and destination nodes over a physical medium.
a. What is the meaning of aliasing? What are its drawbacks? Describe a method to remove aliasing, using post filtering. b. How can you copy a Pixmap from one place to another
Why a computer expect to receive responses when it broadcast an ARP request? Response will be acquired only from the machine for that request is being sent not for the other ma
Determine the approaches to organizing stored program control There are 2 approaches to organizing stored program control: 1. Centralized: In this control, all control equi
What is system conception? It deals with genesis of an application and formulating tentative needs. The purpose of the system conception is to defer details and understand what
How does CPU know that an interrupt has taken place? There needs to be a line or a register or status word in CPU which can be increased on occurrence of interrupt situation.
Explain deadlock detection algorithm for single instance of each resource type. For single instance of each resource type the deadlock detection algorithm: (i) Maintain a wa
A universal logic gate is one, which can be used to generate any logic function. Which one is a universal logic gate? Ans. NAND gate is a universal logic gate; it can generate
A field containing currency amounts (data type CURR) must be assigned to a reference table and a reference field. Explain. As a reference table, a system having all the valid
Q. Explain Microcode and VLSI Technology? It is considered that CU of a computer be assembled using two ways; create micro-program which execute micro-instructions or construct
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