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kolezko [41]
3 years ago
8

A binary message consisting of four bits was sent to you by a friend. The message was supposed to be ABAB. Unfortunately, your f

riend set the bit on the wire once every 2 seconds, but you read the wire once every second. Assuming that the first bit was sent and read at the same time, what message did you receive instead?
A. ABABB. AABBC. AAAAD. BBBBE. ABBB
Computers and Technology
1 answer:
Ostrovityanka [42]3 years ago
5 0

Answer:

ABBB

Explanation:

The first bit is sent and read at the same time, and thus, it is "A".

The second bit is sent after 2 seconds, but the reader reads after each second. So, the second, third and fourth terms are all B.

Hence, the overall message is ABBB, and the above option is the correct answer. The others are showing five bits and thus, those options are not the correct ones.

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Answer:

PS4

Explanation:

Cause its god

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Write a C++ program to grade the answers to a true-false quiz given to students in a course. The quiz consists of 5 true-false q
Eddi Din [679]

The quiz program is an illustration of loops and conditional statements

  • Loops are used to perform repetition
  • Conditional statements are used to make decisions

<h3>The quiz program</h3>

The quiz program written in C++, where comments are used to explain each action is as follows:

#include <iostream>

using namespace std;

int main(){

   //This prints the instruction

   cout<<"Enter T/t for True; F/f for False\n";

   //This initializes the question

   string questions[5] = { "Q1", "Q2", "Q3", "Q4", "Q5"};

   //This initializes the correct options

   char options[5] = { 'T','T','F','F','T'};

   //This declares the user response

   char opt;

   //This initializes the score to 0

   int score = 0;

   //This loop is repeated 5 times

   for (int i = 0; i < 5; i++){

       //This prints the current question

       cout << i + 1 <<". "<<questions[i]<<"\nAnswer: ";

       //This gets the user response

       cin>>opt;

       //If the user response is correct

       if(toupper(opt) == options[i]){

           //The score is incremented by 2

           score+=2;

       }

   }

   //This prints the total score

   cout<<"Score: "<<score;

   return 0;

}

Read more about loops at:

brainly.com/question/19347842

7 0
2 years ago
The true or false questions.<br><br> 1.egrep can accept multiple filenames as input arguments.
BlackZzzverrR [31]

Answer: True  

Explanation: yes, it is true that egrep can accept multiple filenames as input arguments for example egrep -r "text1/text2", so this will search in all the sub directories . E grep is also known as 'grep -E' which belongs to the group of grep function and we used egrep to separate multiple patterns for OR conditions. This is also very less time consuming if you are going to search multiple input arguments in multiple different logs at the same time.

5 0
3 years ago
Match the following unit 6 terms with their descriptions
Romashka [77]

Answer:

what are the followin six terms

Explanation:

6 0
3 years ago
Sequential and direct access are two methods to locate data in memory. Discuss why major devices now a days use direct access? H
djverab [1.8K]

Answer:

Direct data access reduces the speed of retrieving data from memory or storage. Retrieving data and storing it in a cache memory provides direct access to data in the storage.

Explanation:

Sequential memory access, as the name implies, goes through the memory length location in search of the specified data. Direct memory access, provides a memory location index for direct retrieval of data.

Examples of direct and sequential memory access are RAM and tapes respectively. Data in sequential memory access can be access directly by getting data in advance and storing them in cache memory for direct access by the processor.

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3 years ago
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