Quiz 1

____ means that several logical records are grouped within one physical record. a. Blocking b. Combining c. Fixing d. Grouping

Blocking

____ is the practice of using Internet-connected resources to perform processing, storage, or other operations. a. Process management b. Network management c. Cloud computing d. Command line interfacing

Cloud computing

General-purpose operating systems such as Linux or Windows are used in embedded systems. True False

False

Onboard systems are computers that are physically placed inside the products that they operate to add features and capabilities. True False

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. True False

False

____ is where the data and instructions of a computer must reside to be processed. a. CPU b. Main memory c. I/O memory d. Read-only memory

Main memory

____ systems are used in time-critical environments where reliability is key and data must be processed within a strict time limit. a. Real-time b. Hybrid c. Embedded d. Interactive

Real-time

After relocation and compaction, both the free list and the busy list are updated. True False

True

An important function of the Processor Manager is to keep track of the status of each job, process, and thread. True False

True

Networking was not always an integral part of operating systems. True False

True

The bounds register is used to store the highest (or lowest, depending on the specific system) location in memory accessible by each program. True False

True

The central processing unit (CPU) is the brains of the computer with the circuitry to control the interpretation and execution of instructions. True False

True

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. True False

True

There are two primary types of user interfaces: the graphical user interface and the command line interface. True False

True

____ allows separate partitions of a single server to support different operating systems. a. Multiprocessing b. Shared processing c. Multithreading d. Virtualization

Virtualization

The fixed partition scheme works well when ____. a. job sizes are not known in advance b. jobs have different sizes c. all jobs are of similar size d. all jobs are under 100K

all jobs are of similar size

The goal of the ____ memory allocation algorithm is to find the smallest memory block into which a job will fit. a. best-fit b. smallest-fit c. dynamic-fit d. first-fit

best-fit

Starting in the 1950s, to reduce the discrepancy in speed between the I/O and the CPU, an interface called the ____ was placed between them to act as a buffer. a. control unit b. buffer manager c. holder d. scheduler

control unit

Fixed partitions are also called ____ partitions . a. complete b. sized c. direct d. static

static

In active multiprogramming, each program is allowed to use only a preset amount of CPU time before it is interrupted so another job can begin its execution. The interrupted job resumes execution at some later time. This idea is called ____. a. distributed processing b. shared processing c. CPU sharing d. time slicing

time slicing