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oksian1 [2.3K]
3 years ago
8

17. What are the basic modes of operation of 8255?Write the features of mode 0 in 8255?

Computers and Technology
1 answer:
Andru [333]3 years ago
8 0

Answer:

There are two basic operational modes of 8255:

Bit Set/Reset mode (BSR mode).

Input/Output mode (I/O mode).

Features of 8255 Microprocessor:

Mode 0 : Simple Input/Output.

Mode 1 : Input/Output with handshake.

Mode 2 : Bi-directional I/O data transfer.

It has three 8-bit ports : Port A, Port B, and Port C, which are arranged in two groups of 12 pins.

The 8255 can operate in 3 I/O modes : (i) Mode 0, (ii) Mode 1, & (iii) Mode 2.

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To bundle links together in order to improve bandwidth availability and redundancy, what protocol is used
Daniel [21]

Answer:

Link Aggregation Control Protocol

Explanation:

Link Aggregation Control Protocol can be used to assist in the formation of port channel bundles of physical links.

Link Aggregation Control Protocol is an IEEE standard defined in IEEE 802.3ad. LACP lets devices send Link Aggregation Control Protocol Data Units (LACPDUs) to each other to establish a link aggregation connection.

8 0
3 years ago
Write the definition of a method, isReverse, whose two parameters are arrays of integers of equal size. The method returns true
Marat540 [252]

Answer:

   public static boolean isReverse(int [ ]a, int [ ]b ){

       for (int i=0;i<a.length;i++)

       {

           if(!(a[i] == b[a.length-i-1]))

               return false;

       }

       return true;

       }

Explanation:

Using a for loop, we go through the elements of the first array. The if comapres and checks if any of the values are not the same as the appropriate value on the other array, if it is so, then it is not a reverse, and we return false. else  we return true.

7 0
3 years ago
Which of the following restricts the ability for individuals to reveal information present in some part of the database?
Anni [7]

Answer:

it would have to be flow control which would be C.

Explanation:

8 0
3 years ago
Which is a major drawback of muliuser procesing of a database
-BARSIC- [3]

The main drawback of multiuser processing of a database is:

  • Lost-update problem.

<h3>What is  lost-update problem?</h3>

In the area of lost update problem, an update that has been carried on to a data item by a transaction is said to be lost as it is known to be overwritten by the update that has been carried on by another transaction.

Therefore, The main drawback of multiuser processing of a database is:

  • Lost-update problem.

Learn more about database from

brainly.com/question/26096799

#SPJ12

3 0
2 years ago
Why does it help to differentiate among self-esteem,self-image, and self value
joja [24]

Evaluation of one’s own worth is termed as self-esteem. Each person will take the defeat and pointed out mistake in different manner. One person may shout if somebody points out mistake and another may handle it with smile. Self-esteem plays the role here.

Self image is an imaginary of picture of how an individual is in their own perspective and how the same person in the view of other person’s perspective. This is one of the important traits of the people.

Self-value: Setting a value of one self, analyzing various situations and facts and stamping the seal as either “good” or “bad” is called self-value.

8 0
3 years ago
Read 2 more answers
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