The transport layer protocol used by the tcp / ip suite that does not provide guarantees on ordering or confirmation of receipt of packets is called
You downloaded a file using internet explorer. unfortunately, you closed ie and you don’t remember where you downloaded the file to. how can you find the file?
An object is ____ that can be treated as an individual unit or component.
Look at the four schematic symbols shown in the figure above. Each of the symbols is labeled with a number. Which of the following statements about these symbols is correct?
A. Symbol 1 represents a diode, symbol 2 represents a resistor, symbol 3 represents an LED, and symbol 4 represents a transistor.
B. Symbol 1 represents a diode, symbol 2 represents an LED, symbol 3 represents a transistor, and symbol 4 represents a resistor.
C. Symbol 1 represents a transistor, symbol 2 represents a resistor, symbol 3 represents an LED, and symbol 4 represents a diode.
D. Symbol 1 represents a transistor, symbol 2 represents a diode, symbol 3 represents a resistor, and symbol 4 represents an LED.
Without the provided figure, it is not possible to correctly identify which schematic symbol represents a diode, resistor, LED, or transistor. However, standard symbols for these components can be used to identify them in circuit diagrams, with a diode shown as a triangle pointing at a line, a resistor as a zigzag line, an LED like a diode but with lines for light emission, and a transistor symbol varying based on type but having three leads.
Explanation:To answer the question regarding the schematic symbols labeled with numbers, without the actual figure to refer to, it is impossible to definitively identify which symbol represents which electronic component. However, using the descriptions commonly associated with electronic components and schematic diagrams, we can provide general information that may help in identifying these symbols correctly in the future.
A diode is represented by a symbol that consists of a triangle pointing towards a line, which represents the direction of conventional current flow (from positive to negative). A resistor is usually depicted as a zigzag line. An LED, or light-emitting diode, is shown similarly to a diode symbol but with two small lines representing light emission. Lastly, a transistor can be recognized by a symbol with three leads and may vary in appearance depending on whether it is a bipolar junction transistor (BJT) or a field-effect transistor (FET).
With these descriptions, you would need to match the visual symbols from the figure you have with these standard electronic symbols to determine the correct statement about the symbols labeled 1 to 4.
_______ is the command for opening a spreadsheet object in a separate spreadsheet window. A. Edit > Edit Data B. Worksheet > Edit C. Table > Excel Spreadsheet D. Worksheet Object > Open
Answer:
The correct option to the following question is D.) Worksheet Object > Open.
Explanation:
On a Ribbon Home tab, you click the File and Select Click the Selection Pane Selection pane will open, there is the list of all objects on a worksheet. Click on the object names, and then it will selected on a worksheet.______ are segments of computer code that attach to existing computer programs and perform malicious acts. select one:
a. viruses
b. worms
c. trojan horses
d. back doors
e. alien software
Emily wants to purchase a tablet device. she is unsure about what hardware and apps she will need. as a result, she has begun asking for advice from her friends and relatives. in addition, she has talked to several salespeople at apple and best buy and has looked at some websites, such as hp and dell. emily is engaging in
Digital still cameras most often use ____ cards for storage.
Which type of attack is one in which a rogue wireless access point poses as a legitimate wireless service provider to intercept information that users transmit?
Describe a modification of dijkstra's algorithm that runs as fast as the original algorithm, and assigns a label usp[u] to every vertex u in g
________ data becomes part of your destination file and remains static even if the source data changes.
A. Embedded
B. Field
C. Integrated
D. Linked
A type of address translation in which a gateway has a pool of public ip addresses that it is free to assign to a local host whenever the local host makes a request to access the internet
What device can boost an analog signal? a digital signal?
Operating systems are interchangeable and are installed to any computer after the purchase according to your customized preference.
a. True
b. False
The domain is an email message tell you the
What lenses cannot be changed to focus on items closer or farther away?
Answer:
Fixed focus lenses
Explanation:
What lenses cannot be changed to focus on items closer or farther away?
Zoom lenses
Autofocus lenses
Fixed focus lenses
Stationary lenses
Fixed focus lenses are lenses for taking pictures that are used in cameras, that have a fixed focus, meaning that the focus on the image will be always located in the same spot and al of the other areas will look blurry to the sight, they can not change the focus to objects closer or further away, if you wich to focus something that is closer to the camera you need to back up witht eh camera and find the spot where the lens focuses on the object, so that would be the answer.
What is significant about the contents of the destination address field?
True or False: Wikipedia pages should get high ratings for all user intents because information is always helpful.
Answer:
The statement is true. Wikipedia is today the main tool for collecting information for students, workers and even academics around the world, as it provides fast, accessible, verifiable and free information to everyone. Therefore, its pages should get high ratings, as they are helpful for all people.
While the information is verifiable, it should be noted that any Wikipedia user can modify their articles, which are subsequently moderated by specialists. But even so, there is a risk that some data may be wrong, so it is necessary for the readers to control the information obtained. Therefore, a good option would be a system of ranking information and qualifying answers, so that other users know the experience of other students regarding the information provided.
To create a button that will allow a user to send the form data to the server you use a type of ____
Desktop publishing design tools are represented by A. icons. B. windows. C. trackballs. D. modems.
By default, server manager does not connect with down-level servers (for example, windows server 2008). what must be done to properly connect?
Many of today’s microprocessors perform ____, in which multiple instructions are executed at the same time
The basic technological foundations of the internet?
The internet's growth relied on key technological developments like TCP/IP, the World Wide Web, and the Mosaic browser. These innovations made the Internet accessible and user-friendly, leading to its widespread use.
DARPA's packet-switching and advancements in digital infrastructure were also crucial.
The Internet, a network of networks, has its roots in several key technological developments that significantly contributed to its spread, known as the "democratization" of the Internet. This began with the creation of the protocol TCP/IP by Vinton Cerf and Bob Kahn in 1974, which allowed diverse computer networks to communicate.
In 1983, the Internet, initially a network for research centres and universities, began to expand. The first major boost came in 1990 with Tim Berners-Lee's invention of the World Wide Web, which made it easier to access and share information.
The second significant boost was in 1993 with the release of the first browser, Mosaic, which made navigating the web user-friendly and visually engaging, contributing to the rapid spread of internet usage from 1994 onwards.
Other critical developments included DARPA’s research on packet-switching technology in 1973, which enabled reliable data transmission over distributed networks, and the creation of digital infrastructures like microprocessors and fibre-optic cables around 1990. These breakthroughs made the efficient transfer of digital information across vast distances possible.
A ________ is a device connected to a network such as a printer or a game console.
A(n) ____ loop executes a predetermined number of times.
Final answer:
A count-controlled loop, often referred to as a for loop, executes a predetermined number of times and follows the same path for every cycle.
Explanation:
A count-controlled loop executes a predetermined number of times. This type of loop is commonly referred to as a for loop in many programming languages. It follows a predetermined path for every cycle, contrasting a process in which the system may follow a different path for every cycle.
When designing loops within a program, it is crucial to ensure there are enough iterations to cover the necessary components without redundancy. Similar to choosing loops in a circuit where each component should be covered exactly once, in programming, you would also aim to reduce unnecessary repetition.
Here’s one about technology. IBM developed the first chess playing computer which won both a chess game and a chess match against reigning world champion at the time Garry Kasparov. Do you know what they called this smart robot?
A(n) ________ is a light-sensitive material used to make a chip.
What name is given to random characters that you can combine with an actual input key to create the encryption key?
Under the common criteria, which term describes the user-generated specifications for security requirements?
The correct answer to this question is the:
“Protection Profile (PP)”
According to the ISO/IEC 15408 and the Common Criteria (CC), the Protection Profile (PP) is a document used as a part of the certification process. And since it is a generic form of a Security Target (ST), this makes it a typical creation by a user or a community of users.
What are issues to consider when deciding to build software in-house or purchase commercial off-the-shelf software (cots)?
The development of open source operating systems like Linux disrupted traditional economic models in the high-tech industry by fostering collaboration, reducing software costs, and lowering the barrier to entry for tech startups.
Explanation:The advent of open source operating systems like Linux had a significant impact on the economics of high-tech industry. Unlike the proprietary software models of the past where companies like IBM and Microsoft dominated the market with their operating systems, open source presented a dramatically different economic model. The open source ethos encouraged collaboration, sharing, and modification, leading to heightened innovation and sharply reducing costs for both users and developers.
Previously, operating systems like UNIX began as more open but became heavily commercialized, leading to costly proprietary versions tied to specific hardware, such as IBM's AIX or Sun Microsystems' Solaris. This changed with Linux, initiated by Linus Torvalds, predicated on the idea that software should be freely available to anyone to use, modify, and distribute.
The rise of Linux and other open source software disrupted the traditional economic models, making it less necessary for companies to allocate substantial budgets to purchase software licenses. Developers could now build upon existing open-source platforms without worrying about licensing fees, reducing the barrier to entry for tech startups and encouraging a more inclusive and decentralized tech landscape.