MIS 34070 Chapter 1 T/F

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A binary number can represent only integer values less than 255.

F

A class specifies the data an object can hold, but not the actions the object can perform.

F

ASCII is quickly becoming the standard character set used in the computer industry.

F

An operating system consists of assemblers, compilers, and utility programs.

F

Any piece of data stored in a computer's memory must be stored as a decimal number.

F

Because compilers combine translation and execution, they typically do not create separate machine language programs.

F

Floppy disk drives are good mediums for creating backup copies of data.

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Flowcharting is a tool that programmers use to design programs, and is considered superior to pseudocode.

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If a program's source code contains a syntax error, it can still be translated to machine language by a compiler.

F

In a program with a graphical user interface, all of the objects will be visible when the program starts.

F

In a text-based environment, such as a command line interface, the user determines the order in which things happen.

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In programming, an object is a physical device.

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It is easy for people to write programs in machine language.

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Low-level languages allow programmers to concentrate on the tasks they want to perform with their program rather than the details of how the CPU will execute those programs.

F

Most computers today have fewer than 1 million bytes.

F

Most of a computer's RAM is stored in the same device that performs calculations.

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Programs are usually stored in main memory and loaded into secondary storage as needed.

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RAM memory retains its contents when a computer is turned off.

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Software development tools control the internal operations of the computer's hardware, mange all the devices connected to the computer, allow data to be saved to and retrieved from the storage devices, and allow other programs to run on the computer.

F

The C# language provides classes and other code necessary for creating GUIs and performing many other advanced operations.

F

The Toolbar is a window that allows you to select the controls that you want to use in an application's user interface.

F

The computer's CPU can anticipate what a programmer wants to do.

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The fewer samples per second a song is divided into, the more it sounds like the original music when it is played back.

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The largest value that can be stored in a byte is 1.

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The process of creating a high-quality program only involves writing code.

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The use of USB drives has declined dramatically in recent years in favor of superior devices such as floppy disk drives.

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There are two general categories of software: system software and utility software.

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Today's microprocessors are less powerful than the larger electromechanical CPUs in early computers.

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Very few programming languages used today are object oriented.

F

When you write a program using a low-level language, you use objects to accomplish specific tasks.

F

You can think of secondary storage as the place where a computer carries out calculations.

F

A Graphical User Interface (GUI) allows the user to point at graphical elements using a mouse, and click the mouse to activate the elements.

T

A common type of secondary storage device is the solid state drive.

T

A computer is not a single device, but a system of devices working together.

T

A logic error is a mistake that causes a program to generate incorrect results.

T

A machine language instruction exists for each basic operation a CPU can do.

T

A program is a list of instructions that tell the CPU to perform operations.

T

A programming statement can consist of keywords, operators, punctuation, and other allowable programming elements, arranged in the proper sequence to perform an operation.

T

All programming languages have math operators that perform arithmetic.

T

An object must be created in memory before it can be used in a program.

T

Common input devices are the keyboard, mouse, scanner, microphone, and digital camera.

T

Computers can perform a wide variety of tasks because they can be programmed in ways that are specific to the needs of applications.

T

Data is not recorded magnetically on an optical disc but is encoded as a series of pits on the disc surface.

T

Disk drives and recordable optical disk drives can be considered input devices or output devices.

T

Each keyword in a high-level language has a specific meaning and cannot be used for any other purpose.

T

Examples of utility programs are virus scanners, file-compression programs, and data-backup programs.

T

External disk drives can be used to create backup copies of important data or to move data to another computer.

T

For many years, the only way that the user could interact with a computer was through a command line interface.

T

In Visual Studio, a window cannot float if its Auto Hide feature is turned on.

T

In most computer systems, bits are implemented in hardware as tiny electrical components that hold either a positive or a negative charge.

T

In software, an object has two general capabilities: it can store data and perform operations.

T

Some examples of application software are spreadsheet programs, e-mail programs, Web browsers, and game programs.

T

The .NET framework provides classes to create Forms, TextBoxes, Labels, Buttons, and many other types of objects.

T

The C# language allows you to write your own classes that have specific fields, properties, and methods for any application.

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The CPU is the most important component in a computer because without it, the computer could not execute programs.

T

The computer CPU can only execute machine language programs.

T

The syntax rules dictate how keywords, operators, and various punctuation characters must be used in a program.

T

The term pixel stands for picture element.

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Virtually all nontrivial code contains syntax errors when it is first written.

T

When Auto Hide is turned on, a window is displayed only as a tab along one of the edges of the Visual Studio environment.

T

You must use a class to define an object before it can be created in memory at runtime.

T


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