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In using COBOL on PC we have only flat files and the programs can access only limited storage, while in VS COBOL II on M/F the programs can access up to 16MB or 2GB depending on the addressing and can use VSAM files to make I/O operations faster.
What is an I/O channel? An I/O channel is actually a special purpose processor, also known as peripheral processor. The main processor initiates a transfer by passing the need
Parallelism based on Granularity size Granularity: Granularity or Grain size is a determine which measure how much computation is devoted in a process.Granularity size is
Q. Write a menu driven program to find 9's and 10's complement of a decimal number using file. Perform necessary validation with proper message that entered numbers must be de
sketch a neat E-R diagram for hotel management system with real time example
Q. Illustrate Shift Micro-operations? Shift is a valuable operation that can be used for serial transfer of data. These operations can also be used along with other (arithmetic
a ship is loaded with a stock of 3 items each unit of item n has a wt wn and vn the max cargo wt the ship can take is the details of 3items are item(n):1 2 3 wt(wn):2 3 1 value(vn)
Used to interrupt CPU normal implementation routine and to get its attention .Mostly generated by an external devices, timers, counters...etc
Define device interface. The buffer registers DATAIN and DATAOUT and the status flags SIN and SOUT are part of circuitry commonly called as a device interface.
Equivalences & Rewrite Rules - artificial intelligence: Along with allowing us to verify trivial theorems, tautologies make us able to establish that definite sentences are say
Question: (a) List five main characteristics of ‘Prototyping'. (b) Describe briefly why ‘Prototyping' is essential to Rapid Application Development. (c) Describe the 2 t
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