Exam (elaborations)
Test Bank - Exams: Visual C# How to Program by Deitel,
- Supports multiple versions - all chapters included - Accredited by textbook authors - verified answers - Instant download
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
Content preview
Test Bank 1CH. 1—Introduction t_o Computers, th_e Internet an_d Visual C#
Test Item File
1.1 Introduction
1. Computers process data, using sets of instructions called ________.
a. softgoods
b. computer programs
c. recipes
d. hardware
Ans:b
Section 1.2 Computers an_d th_e Internet in Industry an_d Research
1. Which of th_e following statements is false?
a. Cloud computing allows you t_o use software, hardware an_d information stored on remote computers via
th_e Internet an_d available on demand—rather than having it stored on your personal computer.
b. Electronic health records enable health care providers t_o share patients’ information across a secure network,
improving patient care, reducing th_e probability of error an_d increasing overall efficiency of th_e health care
system.
c. Global Positioning System (GPS. devices a single satellite t_o retrieve location-based information.
d. Th_e Human Genome Project was founded t_o identify an_d analyze th_e 20,000+ genes in human DNA.
ANS: c. Global Positioning System (GPS. devices use a network of satellites t_o retrieve location-based
information.
2. Which of th_e following statements is false?
a. Cloud computing allows you t_o use software, hardware an_d information stored in th_e “cloud”—i.e.,
accessed on remote computers via th_e Internet an_d available on demand—rather than having it stored on your
personal computer.
b. Cloud computing services allow you t_o increase or decrease resources t_o meet your needs at any given
time, so they can be more cost effective than purchasing expensive hardware t_o ensure tha_t you have enough
storage an_d processing power t_o meet your needs at their peak levels.
c. Businesses using cloud computing services must still manage th_e applications, which can be costly.
d. Both (a. an_d (c. .
ANS: c. Businesses using cloud computing services must still manage th_e applications, which can be
costly. Actually, using cloud computing services shifts th_e burden of managing applications from th_e
business t_o th_e service provider, saving businesses money.
3. Microsoft’s ________ is a cloud computing platform tha_t allows you t_o develop, manage an_d distribute
your apps in th_e cloud.
a. Common Language Runtime
b. Windows Azure
c. virtual machine
d. Windows 8
Ans:b
4. Which of th_e following statements is false?
,Test Bank 2
a. Cloud computing allows you t_o use software, hardware an_d information stored in th_e “cloud”—i.e.,
accessed on remote computers via th_e Internet an_d available on demand—rather than having it stored on your
personal computer.
b. Cloud computing services allow you t_o increase or decrease resources t_o meet your needs at any given
time, so they can be more cost effective than purchasing expensive hardware t_o ensure tha_t you have enough
storage an_d processing power t_o meet your needs at their peak levels.
c. Businesses using cloud computing services must still manage th_e applications, which can be costly.
d. Both (a. an_d (c. .
Ans:c. Actually, using cloud computing services shifts th_e burden of managing applications from th_e
business t_o th_e service provider, saving businesses money.
1.3 Hardware an_d Software
1. Th_e cost of computing power an_d communications bandwidth has been
a. about th_e same each year.
b. going up.
c. going down.
d. undetermined.
Ans:c
1.3.1 Moore's Law
1. ______ Law states tha_t every year or two, th_e computing power of computers doubles without any increase
in price.
a. Gate’s
b. Moore’s
c. Henderson’s
d. None of th_e above.
Ans:b
1.3.2 Computer Organization
1. Every computer can be divided into 6 basic units. They are:
a. monitor, mouse, keyboard, hard drive, processor an_d disk drives.
b. input, output, primary storage, secondary storage, memory an_d ALU.
c. input, output, memory, ALU, CPU an_d secondary storage.
d. input, output, primary storage, secondary storage, CPU, memory.
Ans:c
2. Th_e purpose of th_e ALU is:
a. t_o store permanent data.
b. t_o store temporary data.
c. t_o cool th_e computer down an_d prevent overheating.
d. t_o perform basic math an_d logical comparisons for th_e computer.
Ans:d
,Test Bank 3
3. T/F Input devices allow th_e computer t_o receive data. They are things such as a keyboard or mouse.
Ans:True.
4. T/F Th_e CPU is th_e heart of th_e computer. It tells th_e computer when input is received an_d when output
should be displayed. It also helps in th_e storage of data t_o memory.
Ans:True.
5. T/F Secondary storage stores data for large amounts of time.
Ans:True.
6. T/F Logical decisions are made by th_e CPU.
Ans:False. Logical decisions are made by th_e Arithmetic Logic Unit (ALU. .
1.4 Data Hierarchy
1. Which of th_e following statements is false?
a. Th_e impressive functions performed by computers involve only th_e simplest manipulations of 1s an_d 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.
ANS: a. Th_e impressive functions performed by computers involve only th_e simplest manipulations of
1s an_d 2s . It's 1s an_d 0s.
2. Which of th_e following data items are arranged from th_e smallest t_o th_e largest in th_e 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.
ANS: d. bits, characters, fields, records, files.
3. Binary code is actually:
a. a complex programming language.
b. a series of 0’s an_d 1’s.
c. machine language instructions.
d. a series of characters representing th_e numbers 0 t_o 9.
Ans:b
4. Computer circuitry is able t_o:
a. get th_e value of a bit
b. examine th_e value of a bit
c. reverse th_e value of a bit
d. All of th_e above
Ans:d
, Test Bank 4
5. Th_e smallest data item in a computer is th_e _________.
a. bit
b. byte
c. kilobyte
d. None of th_e above.
Ans:a
6. One byte is composed of:
a. 2 bits
b. 4 bits
c. 8 bits
d. 10 bits
Ans:c
7. An example of when a file should not be used is:
a. t_o save th_e status of a video game for another session.
b. t_o save th_e value of a variable at runtime.
c. t_o log errors in th_e execution of a program.
d. these are all good examples of when files should be used.
Ans:b
8. In a ____________ file, a record typically stored in order by a record-key field.
a. chronological
b. non-sequential
c. sequential
d. record-key
Ans:c
9. T/F T_o distinguish fields or records there has t_o be one tha_t is different from every other, this is called
th_e record key.
Ans:True.
10. T/F Characters in C# are Unicode characters, each represented by one byte.
Ans:False. A character in C# is represented by two bytes.
1.5 Machine Languages, Assembly Languages an_d High-Level Languages
1. Th_e order of simplicity t_o a human of th_e three basic types of languages is: (easiest t_o hardest.
a. high-level, assembly, machine
b. assembly, machine, high-level
c. machine, high-level, assembly
d. machine, assembly, high-level
Ans:a
2. Machine languages _______.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestBank4Textbooks. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $30.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now