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List the task regions in the Spiral model.
Customer communication - In this region it is suggested to set up customer communication.
Planning - All planning activities are carried out in order to explain resources timeline and other project related activities.
Risk analysis - The tasks needed to calculate technical and management risks.
Engineering - In this the task region, tasks needed to build one or more representations of applications are carried out.
Construct and release - All the essential tasks required to construct, test, install the applications are conducted.
Customer evaluation - Customer's feedback is attained and based on the customer evaluation required tasks are performed and executed at installation stage
List the Coffman's conditions that lead to a deadlock. Mutual Exclusion : Only one process might be use a critical resource at a time. Hold & Wait: A process may be alloc
Q. Describe the three main architectural layers of Windows XP? Answer: (1) The HAL (Hardware Abstraction Layer) creates operating system portability by hiding hardware differ
LINUX OPERATING SYSTEM 1. Write a brief explanation about the Linux distribution. 2. Explain the features that Bash shell provides? 3. Who is responsible for managing use
Translation Look aside Buffer In a cached system, the base addresses of the last few indexed pages is maintained in registers named the TLB that adds in faster lookup. TLB has
Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Consider a scenario of post mailbox, there are two processes named sender S and receiver R. Both processes can communicate with each other by name along with message. You need to I
Define Latency plus seek time The total time to arrange a disk drive mechanism for a block of data to be read from is its Latency plus seeks time
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
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