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What are subroutines?
In computer programming, a subroutine is an identified sequence of instructions with a start and an end point which may be invoked from another part of the program. When a subroutine is called, the processor executes the instructions until it reaches the end of the subroutine, at which point control is returned to the point in the program immediately following the call. In most programming languages, a set of conventions are followed which allow values to be passed into the subroutine and for a result to be returned, so that the subroutine can be used in many different contexts. This is the most basic form of reusable software. In higher-level languages, functions and methods are specialized forms of subroutines.
Difference between open subroutine and closed subroutine?
A closed subroutine is a normal unit like a function in C or a method in Java. When a closed subroutine is called, the program branches to the file/section of code, executes, and then returns to the line after the calling line.For example, if you had the following code in Java:main(...) {int a = 1;int b = 4;multiply(1,4);System.out.println("done!");}multiply(int a, int b) {int answer = 0;for(int i = 0; i < 4; i++)answer*=a;return answer;}Over here, the main method executes until it reaches multiply(1,4) and then jumps to the function (declared below main) and executes that. After it finishes executing multiple, it returns to the line after the function call, which in our case is System.out.println, and executes that.An open subroutine is a subroutine that adds the instruction to the already existing block of code. That is, it replaces the one line call with the entire set of instructions.For example, if you had the following code:startsave 1 in asave 4 in bmultiply a b-timesendThe command "multiply a b-times" is an open subroutine because the command will add lines at compile time to the existing code to return the following (this is best understood when thinking of the code as machine code):(translated from machine code)startsave 1 in asave 2 in bADDED CODEsave a * a in csave c * a in dsave d * a in ereturn eendAs you can see, the "multiply" command has been replaced with the entire set of instructions (under ADDED CODE).In short, an open subroutine adds lines to your main code while a closed subroutine is code stored in a separate block of code. Both subroutines are called with a single line of code.
What objects use linkages?
Umbrellas 'n strollerz 'n pree much N-E-thing else :) fire trucks
What is an absolute loader?
An absolute loader is the simplest type of loader scheme that fits the general model of loaders. The assembler produces the output in the same way as in the "complier and go loader" . The assembler outputs the machine language translation of the source program.Disadvantage:The programmer has to specify the address to the assembler that where the program is to be loaded.It is very difficult to realocate in case of multiple subroutine.Programmer has to remember the address of each subroutine and use that absolute address explicitly in other subroutines to perform subroutine linkage
What is difference between vectored and non vectored interrupts?
Vector interrupt --> when processor directly call the respective isr when interrupt occurs so, address of respective isr is usually save in register. Non interrupt Vector --> In this case when interrupt occurs the processor calls a generic isr and in generic isr uaer has to call respective isr by checking status register.
What is subroutine in java?
Subroutine mean what (in java)?
What is Forward linkages in a daycare?
linkages
What is main difference between macro and subroutins?
marco expand where it invoked ,subroutine will go where the subroutine is defined....
How do you include subroutine VACKRL in synon generated code?
To include a subroutine VACKRL in Synon generated code, you need to first define the subroutine in the Generate All Model. In the action diagram, call the subroutine using the CALL operation passing any required parameters. Finally, regenerate the code for the model to incorporate the changes and ensure the subroutine is included in the generated code.
What kind of linkage does a lipids have?
Lipids have covalent linkages, such as ester linkages in triglycerides, phosphodiester linkages in phospholipids, and amide linkages in sphingolipids. These linkages are important for the structure and function of different lipid molecules in biological systems.
What is a single computer function that initiates a string of commands?
A call to a subroutine. A subroutine is a named/labeled set of commands.
Examples of forward linkages?
examples of forward linkages
What is subroutine?
Subroutine is an instruction sequence in a machine or assembly language program that can be prewritten and referred to as often as needed. Subroutine is used for controlling thing e.g. traffic lights burglar alarms they all use subroutine
Difference between interrupt and subroutine in computer?
interrupt is a signal caused by I/O devices where as subroutine is a part of the program which is excuted rapidly
What are the examples of backward linkages and forward linkages?
Background linkages-Wooden pegs for looms/fertilizes. Product-Sinamay cloth Forward linkages-Place mat, Sewing machine, Dye. Ps: this is written on a chart.
What is subroutine in 8085?
in 8085 microprocessor a subroutine is a separate program written aside from main program ,this program is basically the program which requires to be executed several times in the main program. the microprocessor can call subroutine any time using CALL instruction . after the subroutine is executed the subbroutine hands over the program to main program using RET instruction.
Give you an examples of Backward and forward linkages in Entrepreneurship?
example of backward linkages
