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Paladinen [302]
2 years ago
13

History of computer from difference engine ​

Computers and Technology
2 answers:
ad-work [718]2 years ago
5 0

Difference Engine, an early calculating machine, verging on being the first computer, designed and partially built during the 1820s and '30s by Charles Babbage.

harkovskaia [24]2 years ago
4 0

Answer:

Charles Babbage (1791-1871), computer pioneer, designed two classes of engine, Difference Engines, and Analytical Engines. Difference engines are so called because of the mathematical principle on which they are based, namely, the method of finite differences.

Explanation:

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Which of the following is not a valid SQL command? (Points : 2) UPDATE acctmanager SET amedate = SYSDATE WHERE amid = 'J500';
Volgvan

Answer:

UPDATE acctmanager WHERE amid = 'J500';

Explanation:

The statement written above is not valid SQL statement because there is no SET after UPDATE. Update is always used with SET.If you are updating something then you need to specify the value with which that value should be replaced.

UPDATE acctmanager SET amname = UPPER(amname);

This statement does not contains WHERE clause but it will run all the values of amname column will get updated in the table acctmanager.

6 0
2 years ago
Which method(s) must a serializable class, implement?
Cloud [144]

Answer: None of the given option is correct

Explanation:

A serializable class is implemented, when an object is serializable interface. If you want to serialize one of your classes, then the class must implemented in the Serializable interface. To implement the serializable interface, convert a class into the series of bytes and when serializable object might reference your class. Serializable classes are useful when you wanted to persist cases of the class or send them over wire.

5 0
3 years ago
In full screen reading view the blank is reduced
aksik [14]

Answer is: Yes

<u>Explanation:</u>

Word includes a full-screen mode that minimizes the extraneous information (tools, menus, etc.) displayed on the screen. The normal way of switching to full-screen mode is to display the View tab of the ribbon and click Full Screen Reading in the Document Views group. (If you are using Word 2013 or Word 2016 click Read Mode in the Views group.) You can also click the Full Screen Reading view icon (Read Mode view icon Word 2013 and Word 2016) near the right side of the Status bar located at the bottom of the document window. You exit the mode by either clicking the Close button (upper-right corner of the screen) or by pressing Esc.

4 0
3 years ago
Can anyone help me ?
IrinaVladis [17]

Answer:

System.out.printIn("Hello, world" );

Its " ); " and not " ) ; "

5 0
1 year ago
Write three statements to print the first three elements of array runTimes. Follow each statement with a newline. Ex: If runTime
Lady_Fox [76]

Answer:

Following are the program in c language

#include <stdio.h> // header file

int main() // main function

{

  int runTimes[5]={800,775,790,805,808}; // declared the array

  for (int k = 0; k < 3; k++) // itearting the loop

  {

     printf("\n%d",runTimes[k]); // display array

  }

  return 0;

}

Output:

800

775

790

Explanation:

Following are the description of program

  • Declared a array "runTimes[5]" as the" int " type and store the five integer value in it .
  • After that iterating the for loop from the 0 index to the less then 3 index .
  • Inside the for loop we print the corresponding value that are stored in the particular index in the nextline .
5 0
2 years ago
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