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Explain the difference between a subroutine & macro.
It is inefficient to have to write code for standard routines. For instance reading a character form the keyboard or saving a block of data to disk. Standard routines are available known as library routines. They might be called up macros and many of the most useful routines are available as operating system calls. A call to a macro is a single command, which can be changed by many commands that set put into the programme where the macro name is encountered. A set of common instructions that can be used in a program in known as a subroutine.
What are the features of ADO.Net ? ADO.NET features: 1. Disconnected Data Architecture 2. Data cached in Datasets 3. Data transfer in XML format 4. Interaction wit
Q. Define Public Identifiers? Public Identifiers: A public identifier is one which is defined within one module of a program however potentially accessible by all of the other
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Explain micro programmed control. Ans: A micro programmed control unit is made around storage till is called a control store where all the control signals are stored in a prog
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#example of cascading rollback#
Q. Show Packing and Unpacking Data? Packing and Unpacking Data pvm_packs - Pack active message buffer with arrays of prescribed data type: int info = pvm_pac
What is Winchester technology? The disk and the read/write heads are placed in a sealed air-filtered enclosure known as Winchester technology.
Perform the - 48 - 23 operations using the 2's complement method. Ans. - 48 - 23 = - 48 + (-23) -48 = 1 1 0 1 0 0 0 0 -23 = 1 1 1 0 1 0 0 1 = -71
? Actor: Actor shows an external user / end user who interact with the system. ? Object: Object is shown by one of components of the system. ? Unit: A unit is a subsystem, o
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