Deck 6: An Introduction to System Software and Virtual Machines

Question 1

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

Answer 1

True

Question 2

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

Answer 2

False

Question 3

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

Answer 3

True

Question 4

All modern operating systems provide GUIs.

Question 5

Each symbolic assembly language instruction is translated into one machine language instruction.

Question 6

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

Question 7

The user interfaces on the operating systems of the 1950s, 1960s, and 1970s were command languages, requiring text entry . _________________________

Question 8

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 9

One of the benefits of machine language is that it uses natural language and mathematical notations.

Question 10

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

Question 11

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

Question 12

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

Question 13

Clients cannot perform local computations without access to the network.

Question 14

Machine language is a high-level programming language.

Question 15

____________________ addresses increase the maintainability of a program.

Question 16

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

Question 17

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

Question 18

A naked machine is a computer that requires direct input of binary commands to the hardware to run.

Question 19

Assemblers, __________, and interpreters are all examples of language services.

Question 20

Machine language allows only binary memory addresses.

Question 21

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 22

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

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

Question 23

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 24

Translators for ____ are called compilers.

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

Question 25

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

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

Question 26

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

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

Question 27

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 28

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 29

In ____, a single instruction provides multiple instructions in _______.

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

Question 30

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 31

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

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

Question 32

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 33

C++ and Java are examples of ____ languages.

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

Question 34

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

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

Question 35

A machine language program is called the ____ program.

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

Question 36

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

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

Question 37

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 38

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 39

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

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

Question 40

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 41

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

Question 42

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

Question 43

Describe four problems with machine language.

Question 44

What is the most important task of the operating system?

Question 45

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

Question 46

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 47

How does a GUI communicate with a user?

Question 48

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

Question 49

List four responsibilities of the system software.

Question 50

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