Exam 6: An Introduction to System Software and Virtual Machines

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

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

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

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

Translators for ____ are called compilers.

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

Machine language allows only numeric memory addresses.

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.

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

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

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

____________________ labels increase the maintainability of a program.

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

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

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

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

What is the most important task of the operating system?

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

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.

A machine language program is called the ____ program.