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Q. Explain functions of direct memory access?
Though CPU intervention in DMA is minimised however it should use path between interfaces that is system bus. So DMA involves an extra interface on system bus. A scheme known as cycle stealing permits DMA interface to transfer one data word at a time, after that it should return control of bus to processor. Processor merely delays its operation for one memory cycle to permit directly memory I/O transfer to 'steal' one memory cycle. When an I/O is requested processor issues a command to DMA interface by transmitting to DMA interface the subsequent information (Figure below):
Figure: DMA block diagram
List out the main requirements between page replacement policies which should be satisfied by a page replacement policy? The major requirements that should be satisfied
Determine the Object Design of Object oriented modelling Object Design: At this phase, a design model is created based on the analysis model which is already created in the
How can you provide an alternating color scheme in a Repeater control? AlternatingItemTemplate Like the ItemTemplate element, but rendered for every otherrow (alternating item
What is meant by Questionnaires This includes sending out questionnaires to the work force or/and to customers to find out their views of existing system and to find out how.
Q. Show the Frames inside other frames? Here we would discuss how to divide frames into different frames that is how to put horizontal frames in a vertical one and vice-versa.
what is the main goal of parallel processing
One Erlang is equal to (A) 3600 CCS (B) 36 CCS (C) 60 CCS (D) 24 CCS Ans: One Erlang is equivalent to 3600 CCS.
Q. What is Status Control and Registers? Status Control and Registers: These registers can't be used by programmers though are used to control CPU or execution of a program.
Are there standards for electronic imaging? Given the sensitive nature of most permanent records, there are microphotography standards in place which contain microfilm, compute
Q. Conversion of BCD number to binary using a procedure? Conversion of BCD number to binary using a procedure. Algorithm for conversion procedure: Take a packed BCD digit
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