C# Chapter 1

One byte is composed of: a) 2 bits b) 4 bits c) 8 bits d) 10 bits

c) 8 bits

________ are software systems that make using computers more convenient or users, application developers and system administrators. a) Operating systems b) Applications c) GUIs d) None of the above.

a) Operating systems

Machine languages _______. a) are machine dependent. b) are universal between all machines. c) consist of numbers and letters. d) need to be translated in order for the machine to understand commands.

a) are machine dependent.

The color, size, weight and speed of an object are examples of its _________. a) attributes. b) behaviors. c) classes. d) requirements.

a) attributes.

The smallest data item in a computer is the _________. a) bit b) byte c) kilobyte d) None of the above.

a) bit

The order of simplicity to a human of the three basic types of languages is: (easiest to hardest) a) high-level, assembly, machine b) assembly, machine, high-level c) machine, high-level, assembly d) machine, assembly, high-level

a) high-level, assembly, machine

Which of the following statements is false? a. The impressive functions performed by computers involve only the simplest manipulations of 1s and 2s. b. ASCII is a popular subset of Unicode. c. Fields are composed of characters or bytes. d. On some operating systems, a file is viewed simply as a sequence of bytes.

a. The impressive functions performed by computers involve only the simplest manipulations of 1s and 2s.

Visual Basic evolved from the _________ programming language. a) assembly b) BASIC c) DOS d) Java.

b) BASIC

______ Law states that every year or two, the computing power of computers doubles without any increase in price. a) Gate's b) Moore's c) Henderson's d) None of the above.

b) Moore's

Microsoft's ________ is a cloud computing platform that allows you to develop, manage and distribute your apps in the cloud. a) Common Language Runtime b) Windows Azure c) virtual machine d) Windows 8

b) Windows Azure

Binary code is actually: a) a complex programming language. b) a series of 0's and 1's. c) machine language instructions. d) a series of characters representing the numbers 0 to 9.

b) a series of 0's and 1's.

Computers process data, using sets of instructions called ________. a) softgoods b) computer programs c) recipes d) hardware

b) computer programs

Objects normally are not allowed to know how other objects are implemented. This is called __________. a) encarceration b) information hiding c) blindfolding d) inheritance

b) information hiding

An example of when a file should not be used is: a) to save the status of a video game for another session. b) to save the value of a variable at runtime. c) to log errors in the execution of a program. d) these are all good examples of when files should be used.

b) to save the value of a variable at runtime.

Which of the following statements is false? a) Cloud computing allows you to use software, hardware and information stored in the "cloud"—i.e., accessed on remote computers via the Internet and available on demand—rather than having it stored on your personal computer. b) Cloud computing services allow you to increase or decrease resources to meet your needs at any given time, so they can be more cost effective than purchasing expensive hardware to ensure that you have enough storage and processing power to meet your needs at their peak levels. c) Businesses using cloud computing services must still manage the applications, which can be costly. d) Both (a) and (c).

c) Businesses using cloud computing services must still manage the applications, which can be costly.

Visual C# programs are created using Microsoft's Visual Studio—a collection of software tools called a(n) ________. a) operating system b) Integrated Programming Environment c) Integrated Development Environment d) Class Library.

c) Integrated Development Environment

The _______ is a collection of hardware and software associated with the Internet that allows computer users to locate and view multimedia-based documents on almost any subject. a) HyperText Markup Language b) HyperText Transfer Protocol c) World Wide Web d) CERN

c) World Wide Web

The cost of computing power and communications bandwidth has been a) about the same each year. b) going up. c) going down. d) undetermined.

c) going down.

Every computer can be divided into 6 basic units. They are: a) monitor, mouse, keyboard, hard drive, processor and disk drives. b) input, output, primary storage, secondary storage, memory and ALU. c) input, output, memory, ALU, CPU and secondary storage. d) input, output, primary storage, secondary storage, CPU, memory.

c) input, output, memory, ALU, CPU and secondary storage.

What was the most important capability of C++ that C did not provide? a) networking technology b) data type technology c) object-oriented technology d) adding dynamic content to web pages.

c) object-oriented technology

In a ____________ file, a record typically stored in order by a record-key field. a) chronological b) non-sequential c) sequential d) record-key

c) sequential

Which of the following statements is false? a. Cloud computing allows you to use software, hardware and information stored in the "cloud"—i.e., accessed on remote computers via the Internet and available on demand—rather than having it stored on your personal computer. b. Cloud computing services allow you to increase or decrease resources to meet your needs at any given time, so they can be more cost effective than purchasing expensive hardware to ensure that you have enough storage and processing power to meet your needs at their peak levels. c. Businesses using cloud computing services must still manage the applications, which can be costly. d. Both (a) and (c).

c. Businesses using cloud computing services must still manage the applications, which can be costly.

Which of the following statements is false? a. Cloud computing allows you to use software, hardware and information stored on remote computers via the Internet and available on demand— rather than having it stored on your personal computer. b. Electronic health records enable health care providers to share patients' information across a secure network, improving patient care, reducing the probability of error and increasing overall efficiency of the health care system. c. Global Positioning System (GPS) devices a single satellite to retrieve location-based information. d. The Human Genome Project was founded to identify and analyze the 20,000+ genes in human DNA.

c. Global Positioning System (GPS) devices a single satellite to retrieve location-based information.

Part of the .NET Initiative is Microsoft's _______ technology, which enables you to create web applications: a) class library b) VM c) CLR d) ASP.NET

d) ASP.NET

Computer circuitry is able to: a) get the value of a bit b) examine the value of a bit c) reverse the value of a bit d) All of the above

d) All of the above

Microsoft's .NET Framework _________. a) executes applications. b) contains a class library c) provides many capabilities for building Visual Basic applications. d) All of the above.

d) All of the above.

Which of the following is true: C# a) is object oriented. b) contains a powerful class library. c) is not limited to web-based applications. d) All of the above.

d) All of the above.

In the mid-1980s, Microsoft developed the ________ operating system based on a graphical user interface with buttons, textboxes, menus and other graphical elements. a) Unix b) Macintosh c) Linux d) Windows

d) Windows

The W3C is an organization that: a) maintains and runs the internet. b) removes junk and broken links from the web. c) developed e-mail. d) helps to develop web technologies.

d) helps to develop web technologies.

Almost any __________ can be reasonably represented as an object. a) verb b) behavior c) adjective d) noun

d) noun

The purpose of the ALU is: a) to store permanent data. b) to store temporary data. c) to cool the computer down and prevent overheating. d) to perform basic math and logical comparisons for the computer.

d) to perform basic math and logical comparisons for the computer.

Which of the following data items are arranged from the smallest to the largest in the data hierarchy. a. records, characters, fields, bits, files. b. bits, files, fields, records, characters. c. fields, characters, bits, files, records. d. bits, characters, fields, records, files.

d. bits, characters, fields, records, files.