Sample Test 1

Question 1

The _____ is the interface that is the boundary between hardware and software.

Answer 1

ISA

Question 2

A _____ is a set of resources for the movement, storage, and processing of data and for the control of these functions.

Answer 2

computer

Question 3

The operating system’s __________ refers to its inherent flexibility in permitting functional modifications to the system without interfering with service.

Answer 3

ability to evolve

Question 4

Operating systems must evolve over time because:

Answer 4

new hardware is designed and implemented in the computer system

Question 5

A special type of programming language used to provide instructions to the monitor is __________ .

Answer 5

JCL

Question 6

Hardware features desirable in a batch-processing operating system include memory protection, timer, privileged instructions, and __________ .

Answer 6

interrupts

Question 7

A user program executes in a __________ , in which certain areas of memory are protected from the user’s use, and in which certain instructions may not be executed.

Answer 7

user mode

Question 8

Multiprogramming operating systems are fairly sophisticated compared to single-program or _________ systems.

Answer 8

uniprogramming

Question 9

One of the first time-sharing operating systems to be developed was the __________ .

Answer 9

Compatible Time-Sharing System

Question 10

The technique where a system clock generates interrupts, and at each clock interrupt the OS regains control and assigns the processor to another user, is __________ .

Answer 10

time slicing

Question 11

The __________ is the internal data by which the OS is able to supervise and control the process.

Answer 11

execution context

Question 12

__________ is where the OS must prevent independent processes from interfering with each other’s memory, both data and instructions.

Answer 12

Process isolation

Question 13

__________ is concerned with the proper verification of the identity of users and the validity of messages or data.

Answer 13

Authenticity

Question 14

A common strategy to give each process in the queue some time in turn is referred to as a __________ technique.

Answer 14

round-robin

Question 15

The key to the success of Linux has been its character as a free software package available under the auspice of the ___________ .

Answer 15

Free Software Foundation

Question 16

An __________ is a program that controls the execution of application programs and acts as an interface between applications and the computer hardware.

Answer 16

operating system (OS)

Question 17

The portion of the monitor that is always in main memory and available for execution is referred to as the _________ .

Answer 17

resident monitor

Question 18

__________ is a technique in which a process, executing an application, is divided into threads that can run concurrently.

Answer 18

Multithreading

Question 19

Two major problems with early serial processing systems were scheduling and __________ .

Answer 19

setup time

Question 20

The central idea behind the simple batch-processing scheme is the use of a piece of software known as the _________ .

Answer 20

monitor

Question 21

Any resource allocation and scheduling policy must consider three factors: Fairness, Differential responsiveness, and __________ .

Answer 21

Efficiency

Question 22

A __________ is set at the beginning of each job to prevent any single job from monopolizing the system.

Answer 22

timer

Question 23

The OS has five principal storage management responsibilities: process isolation, automatic allocation and management, support of modular programming, protection and access control, and __________ .

Answer 23

long-term storage

Question 24

The earliest computers employed __________ processing, a name derived by the way the users have access to the systems.

Answer 24

serial

Question 25

__________ was designed to keep the processor and I/O devices, including storage devices, simultaneously busy to achieve maximum efficiency.

Answer 25

Multiprogramming

Question 26

In a time-sharing, multiprogramming system, multiple users simultaneously access the system through __________ .

Answer 26

terminals

Question 27

The principal objective of __________ is to maximize processor use.

Answer 27

Batch Multiprogramming

Question 28

Three major lines of computer system development created problems in timing and synchronization that contributed to the development of the concept of the process: multiprogramming batch operation, time sharing, and __________ .

Answer 28

real-time transaction systems

Question 29

___________ is a facility that allows programs to address memory from a logical point of view, without regard to the amount of main memory physically available.

Answer 29

Virtual memory

Question 30

Security and protection as it relates to operating systems is grouped into four categories: Availability, Data integrity, Authenticity, and __________ .

Answer 30

Confidentiality