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4 years ago

. How is using 0 / 1 or true / false in specifying digital an abstraction?

Computers and Technology

1 answer:

andreyandreev [35.5K]4 years ago

5 0

Answer:

Digital electronics involves 2 states which are abstracted as 0/1 or true/false.

Explanation:

Digital electronics involves 2 states. For TTL logic this corresponds to 0 Volt (0) or 5 Volt (1). Analyzing further, a digital waveform has a square shape (not necessarily a perfect square) with 2 levels denoting the two states, namely, true(1) or false(0). So a 0 or 1 is not actually absolute but 0 corresponds to voltage level below a threshold voltage whereas 1 corresponds to voltage level above a threshold voltage.

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Write a basic program that performs simple file and mathematical operations.

Ostrovityanka [42]

Answer:

Explanation:

I have written the Python program based on your requirements.

Just give the path of the input file and the path for the output file correctly where you want to place the output file.

In, my code - I have given my computer's path to the input and output file.

You just change the path correctly

My code works perfectly and I have tested the code with your inputs.

It gives the exact output that you need.

I have attached the Output that I got by running the below program.

Code:

month_list={ "january":"1","february":"2", "march":"3","april":"4", "may":"5", "june":"6","july":"7", "august":"8", "september":"9","october":"10", "november":"11", "december":"12"} input_file=open('C:\\Users\\Desktop\\inputDates.txt', 'r') output_file=open('C:\\Users\\Desktop\\parsedDates.txt','w') for each in input_file: if each!="-1": lis=each.split() if len (lis) >=3: month=lis [0] day=lis[1] year=lis [2] if month.lower() in month_list: comma=day[-1] if comma==',': day=day[:len (day)-1] month_number=month_list[month.lower()] ans-month_number+"/"+day+"/"+year output_file.write (ans) output_file.write("\n") output_file.close() input_file.close()

- O X parsedDates - Notepad File Edit Format View Help 3/1/1990 12/13/2003

- X inputDates - Notepad File Edit Format View Help March 1, 1990 April 2 1995 7/15/20 December 13, 2003 -1

cheers i hope this helped !!

7 0

4 years ago

Select statements about Multiprocessors that are FALSE. a. Asymmetric multiprocessors are a popular form of tightly coupled arch

Inessa [10]

Answer:

The statement about Multiprocessors that is FALSE is:

a. Asymmetric multiprocessors are a popular form of tightly coupled architecture

Explanation:

Symmetric multiprocessors house two or more identical processors sharing a single main memory. The multiprocessors are tightly coupled, and all of them can access all the connected devices without any preferential treatment of one over the others. This is unlike asymmetric multiprocessors that do not share a single main memory. Instead, they have distributed memories.

4 0

3 years ago

What determines the speed st which your computer perfoms tasks?

tamaranim1 [39]

The central processing unit (CPU) is what powers the computer. Any lower-end CPUs will not run a quick-functioning computer very well.

3 0

4 years ago

Prove that any amount of postage greater than or equal to 64 cents can be obtained using only 5-cent and 17-cent stamps?

elixir [45]

Let P(n) be "a postage of n cents can be formed using 5-cent and 17-cent stamps if n is greater than 63".Basis step: P(64) is true since 64 cents postage can be formed with one 5-cent and one 17-cent stamp.Inductive step: Assume that P(n) is true, that is, postage of n cents can be formed using 5-cent and 17-cent stamps. We will show how to form postage of n + 1 cents. By the inductive hypothesis postage of n cents can be formed using 5-cent and 17-cent stamps. If this included a 17-cent stamp, replace this 17-cent stamp with two 5-cent stamps to obtain n + 1 cents postage. Otherwise, only 5-cent stamps were used and n 65. Hence there are at least three 5-cent stamps forming n cents. Remove three of these 5-cent stamps and replace them with two 17-cent stamps to obtain n + 1 cents postage.Hence P(n + 1) is true.

6 0

4 years ago

Create a class named Horse that contains the following data fields: name - of type String color - of type String birthYear - of

kozerog [31]

Answer:

The program to this question can be given as:

Program:

class Horse //define class Horse

{

private String name; //define variables.

private String color;

private int birthYear;

//define set method.

public void setName(String name)

{

this.name = name; //set value of name.

}

public void setColor(String color)

{

this.color = color; //set value of color.

}

public void setBirthYear(int birthYear)

{

this.birthYear = birthYear; //set value of birthYear

}

//define get method.

public String getName()

{

return name; //return name.

}

public String getColor()

{

return color; //return color.

}

public int getBirthYear()

{

return birthYear; //return birthYear.

}

class RaceHorse extends Horse //define class RaceHorse

{

private String raceNum; //define variable.

public void setRace(String raceNum) //define set method.

{

this.raceNum=raceNum; //set value of raceNum.

}

public String getRace()

{

return raceNum; //return raceNum

}

public class Main //define main class.

{

public static void main(String[] args) //define main method.

{

Horse ob= new Horse(); //creating class objects.

RaceHorse ob1 = new RaceHorse();

ob.setName("XXX"); //calling function

ob.setColor("BLACK");

ob.setBirthYear(2008);

ob1.setRace("Five hundred meter");

//print return values.

System.out.println("The name of the horse is " + ob.getName()+"." +"\n"+

"The horse's color is " + ob.getColor()+"."+"\n"+ "It was born in " + ob.getBirthYear() +

"."+"\n"+ ob.getName()+" has taken part in " + ob1.getRace() + " races.");

}

Output:

The name of the horse is XXX.

The horse's color is BLACK.

It was born in 2008.

XXX has taken part in Five hundred meter races.

Explanation:

In the above program firstly we declare the class that is Horse in this class we define a variable that name is already given in the question which are name, color, and birthYear. In these variables are name and color datatype is string and the birthYear datatype is an integer because it stores the number. Then we use the get and set function in the get function we return all variable value. and in the set function, we set the values of the variable by this keyword. Then we declare another class that is RaceHorse this class inherit Horse class. In the RaceHorse class, we define a variable that is raceNum that's data type is a string in this class we also used the get and set function. Then we declare the main class in the main class we define the main method in the main method we create the above class object and call the set and get function and print the values of the function.

6 0

4 years ago