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Q. Explain about Mainframes computer?
Mainframes, capable of executing in excess of 53 MIPS, are high-performance, general- purpose computers supporting very large databases, ranging in price from one to ten million dollars. These are used by many universities, large businesses, and government agencies, and are supplied mainly by IBM. Examples include IBM 360, CDC 7600 of Control Data Corporation, and Texas Instrument Advanced Scientific Computer (TI-ASC).
Discuss the advantages of automatic switching systems over manual switching system. Automatic switching systems have some advantages over the manual exchanges: 1. In a manua
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
write an8086 alp to exchange a block of N bytes of data between source and destination
Define synchronous bus. Synchronous buses are the ones in which every item is transferred during a time slot(clock cycle) known to both the source and destination units. Synchr
Explain path testing. Path Testing: Testing in which all paths in the program source code are tested at least once. Path testing has been one of the first test methods, and e
Q. Standards for scan codes ? There are 3 standards for scan codes: Mode1 (83-key keyboard PC, PC-XT) and Mode2 (84-key AT keyboard) and Mode3 (101-key keyboard onwards). In Mo
In the shared-memory programming model, tasks share a common address space, which they read and write asynchronously. Several mechanisms such as locks / semaphores may be used to c
Which digital logic family has minimum power dissipation ? Ans. The minimum power dissipation of digital logic family is CMOS. CMOS being an unipolar logic family, occupy a to
Explain pass-1 algorithm of passes used in two-pass assembler? Pass I: (i) Separate the symbol, operand fields and mnemonic opcode (ii) Make the symbol table (iii)
#example of cascading rollback#
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