Deck 1: Introduction to Computers, the Internet and Visual C#

Question 1

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.

Answer 1

D
bits,characters,fields,records,files.

Question 2

Input devices allow the computer to receive data.They are things such as a keyboard or mouse.

Answer 2

True

Question 3

The cost of computing power and communications bandwidth has been

A) about the same each year.
B) going up.
C) going down.
D) undetermined.

Answer 3

C

Question 4

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.

Question 5

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

Question 6

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

Question 7

Logical decisions are made by the CPU.

Question 8

One byte is composed of:

A) 2 bits
B) 4 bits
C) 8 bits
D) 10 bits

Question 9

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.

Question 10

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).

Question 11

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.

Question 12

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.

Question 13

Computers process data,using sets of instructions called ________.

A) softgoods
B) computer programs
C) recipes
D) hardware

Question 14

The CPU is the heart of the computer.It tells the computer when input is received and when output should be displayed.It also helps in the storage of data to memory.

Question 15

______ 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.

Question 16

Secondary storage stores data for large amounts of time.

Question 17

The smallest data item in a computer is the _________.

A) bit
B) byte
C) kilobyte
D) None of the above.

Question 18

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.

Question 19

In a ____________ file,a record typically stored in order by a record-key field.

A)chronological
B)non-sequential
C)sequential
D)record-key

Question 20

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).

Question 21

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.

Question 22

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

Question 23

Visual Basic evolved from the _________ programming language.

A)assembly
B)BASIC
C)DOS
D)Java.

Question 24

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

Question 25

The integration of software components from various languages has been rel
atively simple.

Question 26

Objects normally are not allowed to know how other objects are implemented.This is called __________.

A)encarceration
B)information hiding
C)blindfolding
D)inheritance

Question 27

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.

Question 28

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.

Question 29

High-level computer languages are easily understood by a computer without any need of translation.

Question 30

The color,size,weight and speed of an object are examples of its _________.

A)attributes.
B)behaviors.
C)classes.
D)requirements.

Question 31

An assembler converts assembly language programs into machine language.

Question 32

To distinguish fields or records there has to be one that is different from every other,this is called the record key.

Question 33

C# was developed specifically for theNET Framework.

Question 34

C# applications can interact over the Internet.

Question 35

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.

Question 36

C# is an object oriented language that is a hybrid of C,C++ and Java.

Question 37

Characters in C# are Unicode characters,each represented by one byte.

Question 38

One of W3C's primary goals was to make the web universally accessible to everyone regardless of disabilities,language or culture.

Question 39

Web-based applications can be distrib
uted to a great variety of devices from cell phones to desktop computers using theNET platform.

Question 40

Almost any __________ can be reasonably represented as an object.

A)verb
B)behavior
C)adjective
D)noun

Question 41

Java enables you to write programs that will run on a great variety of computer systems and computer-control devices.

Question 42

Developers can createNET applications only in Visual Basic.

Question 43

C# is an object oriented language that has roots in C,C++ and Java.

Question 44

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.

Question 45

Microsoft'sNET Framework _________.

A) executes applications.
B) contains a class library
C) provides many capabilities for building Visual Basic applications.
D) All of the above.

Question 46

Part of theNET Initiative is Microsoft's _______ technology,which enables you to create web applications:

A) class library
B) VM
C) CLR
D) ASP.NET

Question 47

________ 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.

Question 48

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

Question 49

C++ "spruces up" C with object-oriented programming capabilities.