Deck 1: Introduction to Computers and C++

Question 1

Which of the following is not one of the six logical units of a computer?

A) Input unit.
B) Output unit.
C) Central processing unit.
D) Printer.

Answer 1

D

Question 2

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 2

D

Question 3

C++ provides a number of features that "spruce up" the C language, but more importantly, it provides capabilities for ________ that were inspired by the Simula simulation programming language.

A) structured programming
B) simulation
C) object-oriented programming
D) None of the above.

Answer 3

C

Question 4

Which language was developed by Microsoft in the early 1990s to simplify the development of Windows applications?

A) Visual C#.
B) Python.
C) Objective-C.
D) Visual Basic.

Question 5

Which of the following languages is used primarily for scientific and engineering applications?

A) Fortran.
B) COBOL.
C) Pascal.
D) Basic.

Question 6

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 7

________ models software in terms similar to those that people use to describe real-world objects.

A) Object-oriented programming
B) Object-oriented design
C) Procedural programming
D) None of the above

Question 8

Which of the following statements is true?

A) Interpreted programs run faster than compiled programs.
B) Compilers translate high-level language programs into machine language programs.
C) Interpreter programs typically use machine language as input.
D) None of the above.

Question 9

The creates object code and stores it on disk.

A) Interpreter.
B) Compiler.
C) Preprocessor.
D) Loader.

Question 10

Which of the following statements is false?

A) Object-oriented programming is today's key programming methodology.
B) C++ is one of today's most popular software development languages.
C) Software commands computer hardware to perform tasks.
D) In use today are more than a trillion general-purpose computers and trillions more cellphones, smartphones and other handheld devices.

Question 11

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.

Question 12

Which of the following is not one of the three general types of computer languages?

A) Machine languages.
B) Assembly languages.
C) High-Level languages.
D) Spoken languages.

Question 13

Which of the following is most closely associated with Moore's Law?

A) Every year or two, the price of computers has approximately doubled.
B) Object-oriented programming uses less memory than previous software-development methodologies.
C) Demand for communications bandwidth is decreasing dramatically each year.
D) Every year or two, the capacities of computers have approximately doubled without any increase in price.

Question 14

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 15

Today, virtually all new major operating systems are written in:

A) Objective-C.
B) C or C++.
C) Visual C#.
D) Ada.

Question 16

Which of the following statements is false?

A) Object-oriented programming is today's key programming methodology.
B) C++ is standardized worldwide through the International Organization for Standardization.
C) Hardware controls software.
D) There are now more mobile devices than people in the world.

Question 17

Which statement is false?

A) Classes are reusable software components.
B) A class is to an object as a blueprint is to a house.
C) Performing a task in a program requires a method.
D) A class is an instance of its object.

Question 18

________ is a graphical language that allows people who design software systems to use an industry stan?dard notation to represent them.

A) The Unified Graphical Language
B) The Unified Design Language
C) The Unified Modeling Language
D) None of the above

Question 19

Which of the following statements is false?

A) Speaking to your computer is a form of input.
B) Playing a video is an example of output.
C) A multi-core processor implements several processors on a single integrated-circuit chip.
D) Information in the memory unit is persistent-it is retained when the computer's power is turned off.

Question 20

Which of the following statements about the C programming language is false?

A) C was implemented in 1972 by xe "Ritchie, Dennis"Dennis Ritchie at Bell Laboratories.
B) With careful design, it's possible to write C programs that are xe "portable"portable to most computers.
C) C initially became widely known as the Windows operating system's development language.
D) Today, most of the code for general-purpose operating systems is written in C or C++.

Question 21

Which of the following is not a goal stated by the creator of C++ for the new C++ standard?

A) Make C++ easier to learn.
B) Improve library building capabilities.
C) Make C++ an open source programming language.
D) Increase compatibility with the C programming language.

Question 22

Which of the following statements about regular expressions is true?

A) They are used to match specific character patterns in text.
B) They can be used to replace parts of one string with another, or to split a string.
C) They can be used to validate data to ensure that it's in a particular format.
D) All of the above statements are true.

Question 23

________ involves reworking programs to make them clearer and easier to maintain while preserving their correctness and functionality.

A) Object-oriented programming
B) Refactoring
C) Agile software development
D) LAMP

Question 24

Which of the following statements is false?

A) The concepts of icons, menus and windows were originally developed by Xerox PARC.
B) Windows is an open source operating system.
C) The software that contains the core components of the operating system is called the kernel.
D) Linux source code is available to the public for examination and modification.

Question 25

________ is a communications protocol used to send information over the web.

A) HyperText Markup Language (HTML).
B) URL (Uniform Resource Locator).
C) Web 2.0
D) TCP/IP

Question 26

________ helps Internet-based applications perform like desktop applications.

A) Ajax
B) Blogging
C) RSS
D) Mashups

Question 27

Which of the following is not a key organization in the open-source community?

A) Apache.
B) SourceForge.
C) Firefox.
D) Eclipse.

Question 28

Which of the following statements about the Boost Libraries is false?

A) They are free.
B) They are open source.
C) They are peer reviewed and portable.
D) They are automatically included in the latest C++ Standard Library.

Question 29

The linker links:

A) The source code with the object code.
B) The object code with the libraries.
C) The executable code with primary memory.
D) The primary memory with the CPU.

Question 30

The Boost Libraries ________ pointers help you avoid some key errors associated with traditional pointers.

A) open
B) regular
C) smart
D) self-correcting

Question 31

Which software product release category is "generally feature complete and supposedly bug free, and ready for use by the community?"

A) Alpha.
B) Beta.
C) Release candidate.
D) Continuous beta.

Question 32

Which of the statements a), b) and c) about C++14 is false?

A) It added several language features.
B) It added several C++ Standard Library Enhancements.
C) It added several bugs from C++11.
D) None of the above statements is false.