Is the address bus unidirectional?
The address bus is unidirectional because the address information is always given by the Micro Processor to address a memory location of an input / output devices. Read more »
Archive for July, 2006
Difference between static and dynamic RAM?
Static RAM: No refreshing, 6 to 8 MOS transistors are required to form one memory cell, Information stored as voltage level in a flip flop. Dynamic RAM: Refreshed... Read more »
How do you view the contents of the GUI map?
GUI Map editor displays the content of a GUI Map. We can invoke GUI Map Editor from the Tools Menu in WinRunner. The GUI Map Editor displays the various GUI Map... Read more »
What is the different between GUI map and GUI map files?
The GUI map is actually the sum of one or more GUI map files. There are two modes for organizing GUI map files. Global GUI Map file: a single GUI Map file for the... Read more »
If the object does not have a name then what will be the logical name?
If the object does not have a name then the logical name could be the attached text. Read more »
What are the reasons that WinRunner fails to identify an object on the GUI?
WinRunner fails to identify an object in a GUI due to various reasons. The object is not a standard windows object. If the browser used is not compatible with... Read more »
What is the use of Test Director software?
TestDirector is Mercury Interactive software test management tool. It helps quality assurance personnel plan and organize the testing process. With TestDirector... Read more »
Explain WinRunner testing process?
WinRunner testing process involves six main stages 1. Create GUI Map File so that WinRunner can recognize the GUI objects in the application being tested 2. Create... Read more »
How to create a function using function constructor?
The following example illustrates this It creates a function called square with argument x and returns x multiplied by itself. var square = new Function (”x”,”return... Read more »
What does break and continue statements do?
Continue statement continues the current loop (if label not specified) in a new iteration whereas break statement exits the current loop. Read more »
What does the delete operator do?
The delete operator is used to delete all the variables and objects used in the program ,but it does not delete variables declared with var keyword. Read more »
What are undefined and undeclared variables?
Undeclared variables are those that are not declared in the program (do not exist at all),trying to read their values gives runtime error.But if undeclared variables... Read more »
Does javascript have the concept level scope?
No.Javascript does not have block level scope,all the variables declared inside a function possess the same level of scope unlike c,c++,java. Read more »
What is variable typing in javascript?
It is perfectly legal to assign a number to a variable and then assign a string to the same variable as follows example i = 10; i = “string”; This is... Read more »
What is the difference between undefined value and null value?
(i)Undefined value cannot be explicitly stated that is there is no keyword called undefined whereas null value has keyword called null. (ii)typeof undefined variable... Read more »