SOFTWARE APPLICATIONS AND NETWORKING SYSTEM USED IN SEAGOING SHIP (MODULES) Flashcards
Most of the available operating systems available today, such as Windows, are pure GUI and does not have a command line interface or shell.
FALSE
Compact, easy to operate, and fast to respond to simple commands are characteristics of a _____ operating system.
(TABLET)
The UNIX operating system allows for multiple users access at the same time.
(TRUE)
Which of the following does NOT belong to the group?
Antivirus
Which of the following is NOT a type of system software?
Word processing software
Which of the following performs the power on self-test or POST?
BIOS
Which of the following find and fix errors in the file system on a volume?
Disk checking program
A virtual machine allows you to _____.
Run one operating system inside another
Allows for multiple OS running the same platform
multi-boot OS
Which of the following is a user interface that uses images or pictures and a pointing device to issue commands?
Graphical user interface
(BLANK) management software helps people stay organized by providing a way in performing personal tasks.
(Personal Information)
The most popular type of productivity software is the (BLANK) – a program used to create text-based documents.
(word processor)
.An (BLANK) software simplifies the entire process of managing someone’s business, particularly, the finances.
(accounting)
A (BLANK) program is used to analyze and present data in cells and tables.
(spreadsheet)
.Two of the most used application software are Business (BLANK) Software and (BLANK) Software.
(Productivity, Graphics)
Group or collection of bytes form (BLANK), group of fields form (BLANK), and collection of records form (BLANK).
(fields, records, table)
(BLANK) software includes any application that enables the creation and manipulation of visual images.
(Graphics)
MS Publisher and Adobe InDesign are examples of (BLANK) software.
(desktop publishing)
A (BLANK) graphic is a bitmap image while a (BLANK) image is created using geometric-based elements.
(raster, vector)
Personal computers are usually considered as sender, the source, or transmitter of data in a data communications system.
Personal computers can be the sender and receiver device in a data communications system.
For data communications to happen, communicating devices must be part of a system made up of purely communications software and/or protocols.
For data communications to happen, communicating devices must be part of a system made up of communications hardware and software.
Twisted-pair wires, coaxial cables, and fiber optics are examples of data communications protocol.
Twisted-pair wires, coaxial cables, and fiber optics are examples of data communications channel.
Most local area networks are directly connected to a wide area network (WAN).
Most local area networks are connected to a backbone network (BN).
Data communications networks can only transmit network data in the form of text and numbers.
Data communications networks can transmit different types of data, such as voice, video, as well as network data.
Copper wires, fiber optics, and wireless transmission are the only technologies that form the data communications network circuit.
Routers, switches, and modems are devices that form part of the data communications network circuit.
A personal computer or a mainframe computer can be a client in a data communications network.
A personal computer or a mainframe computer can be a server in a data communications network.
The term data communications usually implies longer distances.
The term telecommunications usually implies longer distances.
The mail server stores data and software that can be used by computers on the network.
The Web server stores documents and graphics that can be accessed from any browser.
Determining if the communications channel can accommodate data transfer in either one-way or two-way traffic is a function of the sender/source component of a data communication system.
Determining if the communications channel can accommodate data transfer in either one-way or two-way traffic is a function of the protocol component of a data communication system.
Simplex transmission is a (BLANK) transmission, such as that with radios and TV sets.
(one-way)
Devices that are capable of sending and receiving data are also known as (BLANK).
(transceivers)
Point-to-point circuits are sometimes called (BLANK).
(dedicated circuits)
(BLANK) is an example of a multipoint circuit.
(Cable TV drop line)
Data flow in circuits are also known as (BLANK).
(transmission mode)
With (BLANK), you can transmit in both directions of the line simultaneously with no turnaround time.
(full-duplex)
(BLANK) eliminates the inefficiency of (BLANK) , as it does not pass through terminals that do not send.
(STDM, TDM)
(BLANK) is an issue with (BLANK) mode, since devices sharing the medium take turns.
(Turnaround time, half duplex)
Microwave transmission use a direct (BLANK) between two points.
(line of sight)
When transmissions are absorbed by heavy rains, it is referred to as (BLANK).
(raindrop attenuation)
A (BLANK) has two conductors sharing the same axis.
(coaxial table)
Provides the software that performs the functions associated with the data link, network, and application layers and usually the computer’s own OS.
server version of the NOS
A feature that allows access points to use power provided by unused Ethernet LAN cable wires for it to operate.
Power over Ethernet (PoE)
Hubs and switches also act as _____.
repeaters
Fiber-optic cable is even thinner than UTP wire and therefore takes far less space when cabled throughout a building.
(TRUE)
Which of the following is used to connect the computer to the network cable in a wired network and is one part of the physical layer connection among the computers in the network?
network interface card
The STP version of the Cat 5 LAN cable costs less, but offers the same data rate as its UTP counterpart.
(FALSE)
Under ideal conditions, the radio transmitters in the NICs and APs can transmit _____ meters.
a.100 to 150
8.A type of an access point’s antenna that can transmit signal in all directions simultaneously.
a.omnidirectional
9.The NOS replaces the normal operating system on the server.
(TRUE)
10.With Windows, you still have to install the NOS in client computers to be able to work the computers as clients.
(FALSE)
1.The Internet is (BLANK) in structure.
(hierarchical)
2.Higher-level ISPs normally charge (BLANK) ISPs to transmit their data – that is, tier 1 will charge (BLANK), and tier 2 will charge (BLANK).
(lower-level, tier 2, tier 3)
3.The idea of (BLANK) is that the same level ISPs do not (BLANK) one another for transferring messages they exchange.
(peering, change)
4.Tier 1 ISPs connect together and exchange data at Internet (BLANK) Points, or IXPs.
(exchange)
5.Each ISP is considered to be an (BLANK) system.
(autonomous)
6.A (BLANK) is simply the place at which the ISP provides (BLANK) to its customers.
(point of presence, service)
The term we use to refer to comments to a particular post, either in a social media post, newsgroup, or forum
d.thread
2.Tweeting on Twitter is an example of a _____.
b.microblog
3.When you make calls using VoIP through your mobile phone, you are not charged by your phone service provider for the call.
(TRUE)
4.You may also send SMS or text messages through the IM app.
(TRUE)
5.Instant messaging is a _____ technology.
c.push
6.Which of the following use a “question-and-answer” format?
d.forums
7.Which of the following method is used by email in sending and receiving messages?
a.store-and-forward
8.Chatting, voice calls, and videoconferencing are just some of the things that you can do in communications apps like Skype, Messenger, and WhatsApp.
(TRUE)
VoIP enables voice calls via the Internet by:
b.converting our voice message into Internet data
10.Email is an example of an instant communication medium, just like a messenger app.
(FALSE)
