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a. Explain the hardware mechanism for handling multiple interrupt requests.
b. What are handshaking signals? Describe the handshake control of data transfer during input and output operation.
c. Draw the typical block diagram of a DMA controller and determine how it is used for direct data transfer among memory and peripherals.
Explain Circular Dependencies. Circular Dependencies: To know the problem of circular dependencies consider a file server which uses a timeserver to acquire the current
Q. Mention different classes of computer networks (on the basis of scale) and distinguish one from the other. Ans: Local Area Network (LAN) Metropolitan Area Netw
Q. What is System Prompt? On loading (or Switching to) DOS, the screen displays C :\>, C>, A :\> or a similar message. The message displayed by DOS is called DOS Prompt or Sys
What does the 'SUPPRESS DIALOG' do? Suppressing of whole screens is possible with this command. This command permits us to perform screen processing "in the background". Sup
Can matchcode object contain Ids with different update types? Yes.
Q. Introduction to the Operating System? An Operating system is software that creates a relation between the User, Hardware and Software. It is an interface between the all.
What is a decoder? Draw the logic circuit of a 3 line to 8 line decoder and explain its working. Ans. Decoder: it is a combinational logic circuit which converts Binary words
Q. Convert the following BINARY numbers into HEXADECIMAL, double check by converting the result HEXADECIMAL to BINARY. a) 1101.0110 b) 1011.11010 c) 11110.01011
Q. How are comparisons done in 8086 assembly language? There is a compare instruction CMP. Though this instruction just sets the flags on comparing two operands (both 16 bits
What are the concerns for growth of e-commerce in India? Government as Facilitator for the growth of e-commerce has taken certain steps: Promotion of competitive teleco
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