Download COP 4610 Exam 1 questions with correct answers graded A+ passed and more Exams Nursing in PDF only on Docsity! COP 4610 Exam 1 The Job Scheduler seeks to ____ when scheduling jobs. - correct answer ✔✔balance CPU and I/O intensive jobs Virtual memory can be implemented with both paging and segmentation. - correct answer ✔✔True A(n) ____ is created by a process, and it can be scheduled and executed independently of its parent process. - correct answer ✔✔thread A large job can have problems with a first-fit memory allocation scheme. - correct answer ✔✔True A general rule of thumb for selecting a proper time quantum in Round Robin scheduling is that it should be long enough to allow ____ percent of the CPU cycles to run to completion. - correct answer ✔✔80 The Memory Manager is in charge of main memory, widely known as ROM. - correct answer ✔✔False When executing a job, the File Manager determines whether a user request requires that a file be retrieved from storage or whether it is already in memory. - correct answer ✔✔False A program is an active entity that requires a set of resources, including a processor and special registers, to perform its function. - correct answer ✔✔False The primary advantage of storing programs in noncontiguous page frames (in a paged memory allocation scheme) is that main memory is used more efficiently because an empty page frame can be used by any page of any job. - correct answer ✔✔True The Device Manager is responsible for connecting with every device that's available on the system and for choosing the most efficient way to allocate them. - correct answer ✔✔True There are two primary types of user interfaces: the graphical user interface and the command line interface. - correct answer ✔✔True The central processing unit (CPU) is the brains of the computer with the circuitry to control the interpretation and execution of instructions. - correct answer ✔✔True The best-fit allocation method keeps the free/busy lists organized by memory locations, low-order memory to high-order memory. - correct answer ✔✔False Operating systems with networking capability have a fifth essential manager called the Network Manager that provides a convenient way for authorized users to share resources. - correct answer ✔✔True In demand paging, the collection of pages residing in memory that can be accessed directly without incurring a page fault is called the ____. - correct answer ✔✔page set A system with ____ divides programs into parts and keep them in secondary storage, bringing each part into memory only as it is needed. - correct answer ✔✔virtual memory The fixed partition scheme works well if all of the jobs run on the system are of the same size or if the sizes are known ahead of time and don't vary between reconfigurations. - correct answer ✔✔True The shortest remaining time (SRT) algorithm is often used in interactive systems. - correct answer ✔✔False The ____ page replacement policy is based on the theory that the best page to remove is the one that has been in memory the longest. - correct answer ✔✔FIFO The Job Table (JT) contains two values for each active job: the size of the job and the memory location where its Page Map Table is stored. - correct answer ✔✔True Demand paging introduced the concept of loading only a part of the program into memory for processing - correct answer ✔✔True