Main uses of Virtual memory
Illustrate the main uses of Virtual memory?
Expert
a. When there is a requirement for the program to increase the memory size Virtual memory can be used.
b. The program looks this memory as a contiguous address but virtual memory is the part of the RAM itself and also helps in saving the inactive parts in the disk file.
c. Program uses its own memory space for its processing which consists of own virtual space and the resources.
d. Virtual memory can permits to generating a virtual environment where it displays something also it seems to kept something else, such as if the address looks 0x12345678, so it might look in physical memory at this address 0x65f7a678.
e. For dividing the memory, Virtual memory contains of pages also the pages that contains itself a set of attributes such as read/write etc.
Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK, both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:“FAIL”, “RC” ( resit coursework), “RE” (r
Define the term Condition: It is a Boolean expression which controls a conditional statement or loop.
Specify the purpose of exec functions?
Class: It is a programming language concept which permits data and techniques to be grouped altogether. The class concept is basic to the notion of an object-oriented programming language. Methods of a class define the set of permitte
Define the term Local inner class and Local variable: Local inner class: It is an inner class stated in a method. Local variable: It is a variable defined within
1. Here is a short program. It prints out the value of a variable "x". Ernie and Bert disagree about what will be printed: Ernie says, the value gets changed in "changeX" so it will print "7", and Bert says, no, when the function exits the changes get reversed and the value goes back to "5". Expl
Null reference: A value utilized to mean, `no object'. Employed whenever an object reference variable is not referring to the object.
Explain the way to enter element content.
Most of the reports produced from the system compute the total dollars in purchases for a shopper. Process the following steps to build a function named TOT_PURCH_SF which accepts a shopper id as input and returns the total dollars which the shopper has spent with com
There are many errors in the following COBOL source code. Identify the errors and rewrite the program so that it contains no errors:IDENTIFICATION DIVISION (Full stop required)PROGRAM ID. ERRORS-EXAMPLE.DATA DIVISION (Fu
18,76,764
1929756 Asked
3,689
Active Tutors
1416089
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!