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Q. What do you mean by Drive Cache?
Disk cache may be a part of RAM sometimes known as soft disk cache which is used to speed up access time on a disk. In latest technologies such memory can be a part of disk drive itself. Such memory is sometimes known as hard disk cache or buffer. These hard disk caches are more effective mainly applicable in multiprogramming machines or in disk file servers however they are costly and as a result are smaller. Approximately all-modern disk drives contain a small amount of internal cache. Cycle time of cache would be about a tenth of main memory cycle time and its cost about 10 times cost per byte of main memory.
Q. What is External Modems? External Modems: Modems externally associated to PC via a parallel or serial port and into a telephone line at the other end. They can generally co
Q. What is Internet Routing Hierarchy? So how do packets find their way across Internet? Does every computer connected to Internet know where other computers are? Do packets ba
Question 1 What is modulation? Explain why is modulation required? 2 Briefly explain about ASK, FSK and PSK 3 Explain about the Nyquist Bandwidth and Nyquist Theorem 4
Explain data rates in public switched telephone network. Data rates in PSTNs : A voice channel in a public switched telephone network is band restricted with a nominal bandwid
What is verilog case (1) ? wire [3:0] x; always @(...) begin case (1'b1) x[0]: SOMETHING1; x[1]: SOMETHING2; x[2]: SOMETHING3; x[3]: SOMETHING4; endcase
OLAP is called as online analytical processing which gives answers to queries which are multi dimensional in nature. It composes relational reporting and data mining for giving sol
SET SCREEN With SET SCREEN the present screen simply specifies the next screen in the chain , control branches to this next screen as soon as the current screen has been proce
Explain the Communications of Request/Response Communications requirements for message or procedural- based interaction are very similar. Application interaction (client-server
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ENCTYPE="application/x-www-form-urlencoded" and in its place use ENCTYPE="text/plain". The subsequent illustration displays a general form which includes some of the commo
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