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mixer [17]
3 years ago
7

Which of the following statements is false? a. InputStream and OutputStream are abstract classes for performing byte-based I/O.

b. Tubes are synchronized communication channels between threads. c. A filter stream provides additional functionality, such as aggregating data bytes into meaningful primitive-type units. FilterInputStream and FilterOutputStream are typically extended, so some of their filtering capabilities are provided by their concrete subclasses. d. A PrintStream performs text output. System.out and System.err are PrintStreams.
Computers and Technology
1 answer:
Bond [772]3 years ago
7 0

Answer:

The answer is "Option b".

Explanation:

Tubes were streams among processes, that are interconnected. It is coordinated ways to communicate between threads, that's why the only option b is wrong, and the correct choice can be defined as follows:

  • In option a, the byte-based I/O the input and output stream abstract class is used, that's why it correct.
  • In option c, It is used to provide additional functionality, that's why it correct.  
  • In option d, It is used to provide the text output.
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What are the five layers in the internet protocol stack? What are the principal responsibilities of each of these lay?
mariarad [96]

Solution:

The five Layers in Internet protocol stack are:

1.Application Layer  

2.Transport Layer  

3.Network Layer  

4.Link Layer  

5.Physical Layer  

The principal responsibilities of these layers are as follows:

1.Application Layer •Applications with appropriate requirement for user.  

•It is reserved for network applications and their application protocols such as HTTP, SMTP, and FTP etc.  

•Its protocol uses transport layer protocols for establishing host-to-host connection.  

2.Transport Layer  

•It is responsible for End-to-Communication  

•Transport layer transports messages from application layer between client and server of application  

•It uses two protocol for transporting messages: TCP and UDP.TCP provides reliable connection oriented services, while UDP provides connectionless service  

3.Network Layer  

•Network Layer moves packets from one host to destination.

•It has two principal component:IP protocol:-It defines the datagrams and decide how the end system and router will work Routing protocols: these protocols decide the routing path between source and destination. 4.Link Layer  

•It is responsible for link-level communication  

•Link layer receives the data gram from network layer at each node and delivers it to next node, the next node passes the datagram to network layer.so This layer moves entire frames from one network element to adjacent one.

•The service provided by link layer is protocol dependent

5.Physical Layer  

•It provides Physical media

•At each node, it moves individual bits of frames to next node.  


7 0
3 years ago
Curtis has been testing a new software package for the past two months. However, he decides not to switch and goes back to using
hodyreva [135]
Retro-active interference
8 0
3 years ago
How many rows appear in a truth table for the compound proposition: \[(p \leftrightarrow q) \oplus (\neg p \leftrightarrow \neg
AURORKA [14]
Let me re-write the proposition:

p↔q⊕(¬p↔¬r)∧¬q.

Generally, the number of rows in a truth table depends on the number of Variables. Here we have 3 Variables: p,q and r. Each of them can have either the value of 1 or 0, which gives us 2*2*2 possibilities, or 2³, that is 8 possibilities and 8 rows:

p=0, q=0, r=0
p=0, q=0, r=1
p=0, q=1, r=0
p=0, q=1, r=1
p=1, q=0, r=0
p=1, q=0, r=1
p=1, q=1, r=0
p=1, q=1, r=1







4 0
3 years ago
The natural functions of Earth seem all _____ in one way or another.
Sonja [21]
Would it be Similar ?
4 0
3 years ago
3. Wi-fi connections have limited range of :
Tamiku [17]

Answer: D) 300 metres would be my choice because our wifi can only go that far outdoors, inside wifi can only travel up to 150 metres.

Explanation: Hope this helps! Have a wonderful day!

Don’t forget to thanks & Brainliest is always appreciated!

3 0
2 years ago
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