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Usually memory is allocated from a large pool of unused memory area called the heap. In C++, dynamic allocation/deallocation must be manually performed using commands like malloc, free, new and delete. Malloc allocates space of a given size and gives a pointer back to the programmer. The programmer then can do whatever he or she wants with it. The new command, on the other hand, allocates a speci?c object of a given size. The general way in which dynamic allocation is done is that the program asks the memory manager to allocate or free objects (or multiple pages); then, the memory manager asks the OS to allocate/free pages (or multiple pages). Notice, how- ever, that the allocator does not give the whole allocated page back to the program; it just gives what it asked for. The rest of the page (i.e. the parts not given to the program) is saved for future memory requests.
Define what an assembler is An assembler is machine dependant.
What is Multiprogramming? Multiprogramming is the capability of am operating system to support multiple applications running concurrently. Multiprogramming simply means that an
SCAN o Go from the outside to the inside servicing requests and after that back from the outside to the inside servicing requests. o Replicate this over and over. o Diminish
A practical task specified in the Study Guide, Computer architecture, was to record your computer's specifications. Submit the data you recorded, which will contain the following d
Explain the various types of computer systems. Mainframe systems Large Number of CPU with Greatest Processing Power: Huge Memory Capacity: Increased Performance by s
Q. What kinds of networking does Windows XP support? How does Windows XP execute transport protocols? Describe two networking protocols. Answer: Support is offer for bo
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You have been requested by your Senior Engineer to design an Engine Control Unit (ECU) and prepare a report detailing your proposed solution. The client requires a design for a mic
What is a path name? A pathname is the path from the root by all subdirectories to a specified file. In a two-level directory structure a user name and a file name explain a pa
What does the last four digits '0010' of the above dump represent? What action will the Destination node takes when it receives this packet? The last four digits '0010' denotes
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