Deck 3: Hardware, software, and Networks

Question 1

The CPU is considered "the brain" of the computer.

Answer 1

True

Question 2

Custom software developed in-house is the first choice for most companies due to its low costs.

Answer 2

False

Question 3

Object-oriented languages are required to create thin-client applications.

Answer 3

False

Question 4

A server is a computer that is designed to support processing from many remote computers and users.

Question 5

The standard way for distributing native applications is via a company store.

Question 6

Magnetic and optical disks are nonvolatile.

Question 7

Vertical-market application software provides capabilities that can be applied across all organizations and industries.

Question 8

Main memory is also called random access memory (RAM).

Question 9

Mac OS is the operating system used on the iPhone,iPad,and iPod Touch.

Question 10

RAM,or the main memory of a computer,is considered nonvolatile.

Question 11

Operating systems generally do little application-specific work.

Question 12

Linux is a version of Unix that was developed by the open source community.

Question 13

Magnetic disks are the most common form of storage hardware.

Question 14

A kilobyte is exactly 1,024 bits.

Question 15

Unix is generally regarded as being more easy to use than Windows.

Question 16

The CPU stores results of operations on the flash drive.

Question 17

A collection of thousands of servers is called a server farm.

Question 18

Native applications are preferred to thin-client applications because they require only a browser.

Question 19

The CPU selects instructions,processes them,performs arithmetic and logical comparisons,and stores results of operations in memory.

Question 20

Machine code is easily understood by humans.

Question 21

A given version of a thin-client application will run only on one operating system.

Question 22

Simple Mail Transfer Protocol (SMTP)is the transmission protocol used primarily to move files over the Internet.

Question 23

The Internet is a network of networks connecting LANs,WANs,and other internets.

Question 24

Native applications created for one OS must be recoded to run on a different OS.

Question 25

Wireless LAN connections are governed by IEEE standard 802.3.

Question 26

Chrome is a term that is used to measure the percentage of display given to users' content.

Question 27

Thin-client applications are limited by the capabilities of the browser.

Question 28

Bluetooth is a wireless protocol designed for transmitting data over short distances.

Question 29

For two devices to communicate,they must use the same protocol.

Question 30

Wide area networks are used to connect computers that reside in a single geographic location.

Question 31

Updates to thin-client applications require re-installation of the operating system.

Question 32

Roaming occurs when users move their activities across devices.

Question 33

A user interface (UI)is the presentation format of an application.

Question 34

A digital subscriber line (DSL)operates on the same lines as voice telephones,but do not interfere with voice telephone service.

Question 35

Push data is data that the server sends to the device.

Question 36

The protocol architecture of the Internet uses a scheme of five protocol types arranged in layers.

Question 37

Hyper Text Transport Protocol (HTTP)is the protocol used between browsers and Web servers.

Question 38

NIC (Network Interface Controller)devices in laptops and printers have been replaced by WNIC (wireless NIC)devices.

Question 39

The distinguishing characteristic of a LAN from a WAN is that it is confined to a single geographic location.

Question 40

The protocols used on the Internet are arranged according to a structure known as File Transfer Protocol (FTP).

Question 41

Computers represent data using ________.

A) binary digits
B) alphabets
C) alphanumerics
D) quantum numbers

Question 42

Which of the following devices is a tablet?

A) Motorola Droid
B) Apple Mac Pro
C) Microsoft Surface
D) Dell PowerEdge

Question 43

Which of the following is an example of a storage device?

A) optical disk
B) router
C) scanner
D) UPC reader

Question 44

A Web page is a document that is coded in one of the standard page markup languages.

Question 45

Which of the following is an example of an optical disk?

A) magnetic disk
B) thumb drive
C) SSD
D) DVD

Question 46

HTML is a markup language that is commonly used for program-to-program interaction over the Web.

Question 47

Cloud computing is a form of hardware/software leasing in which organizations obtain server resources from vendors.

Question 48

Application programs are provided by vendors under platform as a service (PaaS).

Question 49

To ensure acceptable performance,commercial Web sites are usually supported by Web server computers in a facility called a Web farm.

Question 50

The CPU works in conjunction with ________.

A) magnetic disks
B) main memory
C) wired data communication devices
D) wireless data communication devices

Question 51

Which of the following statements about computer data is true?

A) A binary digit is either a zero or a one.
B) All computer data is represented by alphabets.
C) Binary digits are grouped into 100-bit chunks called bytes.
D) Bytes are only used to measure sizes of character data.

Question 52

A browser like Google Chrome usually implements the File Transfer Protocol.

Question 53

In the three-tier architecture,the server tier consists of computers,phones,and other devices that have browsers that request and process Web pages.

Question 54

Most e-commerce applications use the three-tier architecture.

Question 55

________ are small,portable magnetic storage devices that can be used to transfer data from one computer to another.

A) Cloud servers
B) Thumb drives
C) Compact disks
D) Blu-ray disks

Question 56

A kilobyte is exactly ________.

A) 1,024 bytes
B) 1,000 bytes
C) 1,024 bits
D) 8 bytes

Question 57

A commerce server is an application program that runs on a server-tier computer.

Question 58

________ consist(s)of electronic components and related gadgetry that input,process,output,and store data according to instructions encoded in computer programs.

A) Software
B) Hardware
C) Programs
D) Operating systems

Question 59

Which of the following is the largest unit of data for computer memory?

A) gigabyte
B) terabyte
C) megabyte
D) exabyte

Question 60

XML is the most popular markup language for defining the structure and layout of Web pages.

Question 61

Which of the following is a mobile client operating system?

A) Unix
B) Mac OS X
C) Android
D) Linux

Question 62

Which of the following statements is true about desktop virtualization?

A) It refers to a system in which a desktop hosts only one desktop operating system.
B) It refers to a system in which a server hosts one or more server computers.
C) It allows a user to access the virtualized server from any computer.
D) It allows a user to access the virtualized desktop from any computer.

Question 63

________ is the process by which multiple operating systems share the same hardware.

A) Hyperlinking
B) Additive manufacturing
C) Virtualization
D) Dual-core processing

Question 64

The cache and main memory lose their contents when the power is off.Hence,they are considered to be ________.

A) kinetic
B) static
C) volatile
D) nonvolatile

Question 65

Which of the following statements is true about quality mobile user experiences?

A) Apple was the first to introduce charms icons on its iPad.
B) Context-sensitive chrome appears only when appropriate.
C) Roaming is achieved without the use of cloud services.
D) Push data is data that the device requests from the server.

Question 66

A(n)________ connects computers that reside in a single geographic location.

A) URL
B) WAN
C) HTTP
D) LAN

Question 67

When a Windows license is bought,Microsoft ________.

A) sells the buyer the right to use Windows
B) transfers the ownership of Windows to the buyer
C) provides the buyer with the source code for Windows
D) allows the buyer to make any number of copies of the Windows program

Question 68

A megabyte is equal to ________.

A) 1,024 bytes
B) 1,024 KB
C) 1,024 TB
D) 1,024 GB

Question 69

CPU speed is expressed in cycles called ________.

A) hertz
B) bytes
C) bits
D) pixels

Question 70

Which of the following is true about thin-client applications?

A) They are developed using serious, heavy-duty, professional programming languages.
B) They are more expensive relative to native applications.
C) They need to be manually updated from time to time.
D) They run inside a browser.

Question 71

Which of the following is a difference between native and thin-client applications?

A) Native applications are developed using HTML5, whereas thin-client applications are developed using Objective-C.
B) Native applications are generally written by technically-oriented business professionals, whereas thin-client applications are developed by professional programmers.
C) Thin-client applications generally cost more than native applications.
D) Thin-client applications have less sophisticated user experiences than native applications.

Question 72

________ is an open source variant of Unix that is free to use.

A) Mac OS
B) AmigaOS
C) Windows
D) Linux

Question 73

The computers in a hospital are most likely connected to each other using ________.

A) WAN
B) VPN
C) LAN
D) Bluetooth

Question 74

Which of the following statements is true about scaling of applications?

A) Modern operating systems do not support scaling of native applications based on the device.
B) Based on the device on which it is running, IE 10 chooses the size and version of graphics.
C) Applications must be designed to scale up and block out other applications from the display area.
D) Charms is the term used to refer to applications that support scaling on various devices.

Question 75

Mac OS is an example of a ________.

A) nonmobile client operating system
B) mobile client operating system
C) nonmobile application program
D) mobile application program

Question 76

Which of the following is an example of a horizontal-market application software?

A) a software developed by the IRS for its own needs
B) ArtRage, the iPad application
C) AutoCad
D) Microsoft Excel

Question 77

Which of the following statements is true about content in quality mobile user interfaces?

A) Menus and toolbars must be given a significant portion of the display.
B) Users' content on a computer display is referred to as chrome.
C) Using content to drive application behavior is called direct interaction.
D) Context-sensitive chrome is present whenever the users' contents are being displayed.

Question 78

Phobas Inc.develops a new software named "ET Fanome" to meet its own needs and requirements.The software isn't sold to the public or other organizations.Such a software is called ________.

A) vertical-market application software
B) horizontal-market application software
C) one-of-a-kind application software
D) open source software

Question 79

Which of the following statements is true of native applications?

A) Native applications are developed using professional programming languages.
B) Native applications are less expensive than thin-client applications.
C) Native applications can be developed by less-skilled, lesser-paid employees.
D) The same version of native applications will run on all operating systems.

Question 80

Which of the following is a feature of open source projects?

A) The source code of the program cannot be modified.
B) The machine code of the program can be easily understood by humans.
C) The source code of the program is available to the public.
D) The source code cannot be obtained from the open source project's Web site.