Deck 3: Hardware, Software, and Networks

Question 1

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

Answer 1

True

Question 2

The most frequently used data and instructions are placed in cache memory.

Answer 2

True

Question 3

Ubuntu, a Windows-like desktop operating system, is an open source program.

Answer 3

True

Question 4

Magnetic disk is the most common form of storage hardware.

Question 5

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

Question 6

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

Question 7

Servers need a great deal of RAM and storage space.

Question 8

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

Question 9

Special function cards are added to computers to augment their basic capabilities.

Question 10

Hardware refers to both electronic components and the related gadgetry that input, process, output, and store data.

Question 11

The CPU stores results of operations on the flash drive.

Question 12

Servers in a farm coordinate their activities in a highly sophisticated and complex way.

Question 13

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

Question 14

A kilobyte is exactly 1,024 bits.

Question 15

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

Question 16

Machine code is understandable by humans.

Question 17

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

Question 18

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

Question 19

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

Question 20

Special function cards are examples of input hardware.

Question 21

DSL modems operate on the same lines as voice telephones, but do not interfere with voice telephone service.

Question 22

The switches on each floor connect to each other via the faster-speed UTP cable.

Question 23

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

Question 24

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

Question 25

The signals on optical fiber cables are light rays that reflect inside the glass core of the optical fiber cable.

Question 26

When you are using a browser like Google Chrome, you are using a program that implements the FTP protocol.

Question 27

DSL stands for dual subscriber line.

Question 28

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

Question 29

The protocols used on the Internet are arranged according to a structure known as FTP.

Question 30

NIC devices in laptops and cell phones have been replaced by WNIC devices.

Question 31

Most LAN connections are made using unshielded twisted pair (UTP)cable.

Question 32

Routers detect the transmission speed that a given device can handle and communicate with it at that speed.

Question 33

TCP/ IP is an application layer protocol.

Question 34

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

Question 35

A modulator/demodulator converts the digital data in the computer to a wavy, or analog, signal.

Question 36

If a connection carries a lot of traffic, it is advised to replace the UTP cable with optical fiber cables.

Question 37

Narrowband lines typically have transmission speeds in excess of 56 kbps, while broadband lines have speeds less than 256 kbps.

Question 38

SMTP is the transmission protocol used to deliver data across the Internet.

Question 39

ADSLs have similar upload and download speeds.

Question 40

Wireless local area networks are governed by IEEE standard 802.3.

Question 41

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 used to measure sizes of character data only.

Question 42

A virtual private network (VPN)uses the Internet to create the appearance of private point-to-point connections.

Question 43

Computers represent data using ________.

A) binary digits
B) alphabets
C) alphanumerics
D) protocols

Question 44

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

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

Question 45

XML is the most popular markup language.

Question 46

Which of the following is an input hardware device?

A) printer
B) scanner
C) thumb drive
D) projector

Question 47

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

A) optical disks
B) special function cards
C) scanners
D) UPC readers

Question 48

HTML is a markup language that fixes several XML deficiencies and is commonly used for program-to-program interaction over the Web.

Question 49

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

A) magnetic disks
B) thumb drives
C) flash drives
D) Digital Versatile Disks

Question 50

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 51

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

Question 52

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

Question 53

The Internet transports messages as a single packet, through a router.

Question 54

Routers are special purpose computers that move traffic from one node on a network to another.

Question 55

A kilobyte is exactly ________.

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

Question 56

The CPU works in conjunction with ________.

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

Question 57

________ 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) The Internet

Question 58

TCP provides reliable internet transport and IP provides internet routing.

Question 59

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

A) UPC readers
B) special function cards
C) scanners
D) plotters

Question 60

To ensure security, VPN client software breaks the original message into packets so that its contents are protected from snooping.

Question 61

________ is the process whereby multiple operating systems share the same hardware.

A) Silverlight
B) Bluetooth
C) Virtualization
D) Dual processing

Question 62

A ________ is a set of rules, followed by communicating devices, that governs data communication.

A) source code
B) protocol
C) domain
D) license

Question 63

Which of the following statements is true about cloud computing?

A) It is yet to be adopted on a large scale as it is expensive.
B) It enables multiple organizations to utilize the same computing infrastructure.
C) It is the leasing out of a fixed amount of server time and resources.
D) It is difficult for cloud vendors to reconfigure servers to support changes in workload.

Question 64

A program that controls the client computer's resources is called a ________.

A) client operating system
B) client application program
C) server operating system
D) server application program

Question 65

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

A) kinetic
B) static
C) volatile
D) non-volatile

Question 66

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

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

Question 67

A megabyte is ________.

A) 1,024 bytes
B) 1,024 K
C) 1,024 MB
D) 1,024 GB

Question 68

What particular feature of an open source project distinguishes it from a closed source project?

A) The source code of the program is not modifiable.
B) The machine code of the program can be understood by humans.
C) The source code of the program is available to the public.
D) The machine code of the program is available to the public.

Question 69

To run a program or process data, a computer first transfers the program or data from the disk to the ________.

A) scanner
B) display
C) cache
D) main memory

Question 70

Today, nearly all personal computers and all mobile devices ship from the factory with an onboard ________, which allows them to connect to the Internet.

A) modem
B) WNIC
C) UTP
D) memory card

Question 71

A(n)________ is a special-purpose computer that receives and transmits wired traffic on the LAN.

A) modem
B) access point
C) protocol
D) switch

Question 72

When you buy the setup CD of Microsoft Office, Microsoft is selling you ________.

A) the right to use Windows Office
B) the ownership rights of Microsoft Office
C) Microsoft Office for a short period on rent
D) the piracy rights to Microsoft Office

Question 73

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

A) vertical-market application software
B) horizontal-market application software
C) one-of-a-kind application software
D) VPN client software

Question 74

________ is an open source variant of Unix that has been adapted to almost every type of computing device.

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

Question 75

CPU speed is expressed in cycles called ________.

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

Question 76

LAN connections, made using UTP cable, contain sets of wires that are twisted together to ________.

A) improve signal quality
B) prevent against wear and tear
C) increase bandwidth
D) consume less space

Question 77

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

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

Question 78

Which of the following is a mobile client operating system?

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

Question 79

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

A) ADSL
B) WAN
C) DSL
D) LAN

Question 80

Which of the following is true about a thin-client application?

A) They have more features and functions than thick clients.
B) They have to be pre-installed on the client.
C) They need to be manually updated from time to time.
D) They require only a browser.