Deck 6: An Introduction to System Software and Virtual Machines

Question 1

A(n) ____________________ character is displayed on screen to indicate that an operating system is waiting for input.

Answer 1

prompt

Question 2

Assemblers, compilers, and interpreters are all examples of ____________________ services.

Answer 2

language

Question 3

All modern operating systems provide GUIs.

Answer 3

True

Question 4

Clients cannot perform local computations without access to the network.

Question 5

A single high-level language instruction is typically translated into many high-level language instructions._________________________

Question 6

One of the problems with machine language is that it uses binary.

Question 7

The variable used to determine the address of a given instruction or piece of data is called the program counter._________________________

Question 8

The user interfaces on the operating systems of the 1950s, 1960s, and 1970s were text oriented._________________________

Question 9

Machine language is a high-level programming language.

Question 10

It is the responsibility of the ____________________ to safeguard the password file that stores all valid user name/password combinations.

Question 11

____________________ labels increase the maintainability of a program.

Question 12

Machine language allows only numeric memory addresses.

Question 13

Each symbolic assembly language instruction is translated into one or more machine language instructions.

Question 14

Typically, all requests to a(n) ____________________ operating system are prioritized.

Question 15

For a program to run on a naked machine, it must be represented in decimal._________________________

Question 16

One of the services provided by pseudo-ops is program construction.

Question 17

Second-generation operating systems are called multiprogrammed operating systems._________________________

Question 18

Assembly language does not allow the use of symbolic operation codes.

Question 19

An interface prevents accidental damage to hardware, programs, and data.

Question 20

In a time-sharing system, a program can keep the processor until it initiates an I/O operation and has run for the maximum length of time.

Question 21

In ____ language, if we insert or delete an instruction, all memory addresses following that instruction will change.

A) assembly
B) machine
C) low-level programming
D) high-level programming

Question 22

The conversion of symbolic op codes such as LOAD, ADD, and SUBTRACT to binary makes use of a structure called the ____.

A) op code table
B) assembler
C) loader
D) library

Question 23

A(n) ____ operation involves the comparison of values and the subsequent use of the outcome to decide what to do next.

A) iterative
B) conditional
C) sequential
D) transformer

Question 24

____ operation codes are restricted to be used in the operating system or other system software.

A) Privileged
B) User
C) Specialized
D) System

Question 25

The set of services and resources created by the system software and seen by the user is called a(n) ____ machine.

A) naked
B) virtual
C) assembler
D) Von Neumann

Question 26

After all the fields of an assembly language instruction have been translated into binary, the newly built machine language instruction and the address of where it is to be loaded are written out to a file called the ____ file.

A) table
B) source
C) data
D) object

Question 27

A program written in assembly language is called the ____ program.

A) virtual
B) object
C) data
D) source

Question 28

A(n) ____ invokes a service of the assembler.

A) compiler
B) pseudo-op
C) loader
D) operation

Question 29

A machine language program is called the ____ program.

A) source
B) object
C) data
D) virtual

Question 30

____, such as text editors, are sometimes organized into collections called program libraries.

A) Programming tools
B) Office tools
C) Packages
D) Utilities

Question 31

System software acts as a(n) ____ between the users and the hardware.

A) translator
B) intermediary
C) tester
D) security agent

Question 32

Icons displayed on the screen are selected with a mouse and a button using a technique called ____.

A) windows interface
B) point-and-click
C) panel interface
D) command line

Question 33

Translators for ____ are called compilers.

A) assembly language
B) machine language
C) low-level languages
D) high-level languages

Question 34

A ____-generation operating system will typically be a parallel processing operating system that can efficiently manage computer systems containing tens, hundreds, or even thousands of processors.

A) second
B) third
C) fourth
D) fifth

Question 35

In assembly language, a(n) ____ is a name, followed by a colon, placed at the beginning of an instruction.

A) op code mnemonic
B) comment
C) address field
D) label

Question 36

The ____ problem-solving cycle involves inputting code to an assembler, translating it to machine language, loading it into a Von Neumann computer, and executing to produce answers to the problem.

A) Von Neumann
B) modern
C) algorithmic
D) conditional

Question 37

The ____ hides from the user the messy details of underlying hardware.

A) interface
B) operating system
C) system software
D) machine code

Question 38

C++ and Java are examples of ____ languages.

A) low-level programming
B) high-level programming
C) machine
D) assembly

Question 39

A Von Neumann computer without any helpful user-oriented features is called a(n) ____ machine.

A) distributed
B) virtual
C) assembler
D) naked

Question 40

If the op code table is sorted alphabetically, the ____ search algorithm is used to find an op code.

A) sequential
B) binary
C) op code
D) table

Question 41

What are the four tasks to be performed by an assembler?

Question 42

What are three major advantages to writing programs in assembly language rather than machine language?

Question 43

Describe four problems with machine language.

Question 44

How does a GUI communicate with a user?

Question 45

What is the single most important piece of system software on the computer? Discuss its function, and discuss at length its software packages that handle the requests of other programs.

Question 46

What is the most important task of the operating system?

Question 47

To make a Von Neumann computer usable, what must you create between the user and the hardware? What must this created item do?

Question 48

Explain what a real-time operating system does.Then give a detailed example.

Question 49

Briefly explain the function of the operating system as a security guard.

Question 50

List four responsibilities of the system software.