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Debora [2.8K]
3 years ago
7

Explain the history of computing device of mechanical era

Computers and Technology
1 answer:
gayaneshka [121]3 years ago
5 0

Answer:

The mechanical age can be defined as the time between 1450 and 1840. A lot of new technologies were developed in this era due to an explosion of interest in computation and information. Technologies like the slide ruler (an analog computer used for multiplying and dividing) were invented in this period.

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____________ describes major components that comprise a system, their relationships, and the information the components exchange
inysia [295]

Answer: Software Architecture

Explanation:

Architecture of a software depicts the basic structure of a software system. Software architecture also describes how the structure of a system behaves and creates such structures, where each structure is consists of software components, relations between these components and the characteristics of these components and relations. It gives an abstraction of a system while hiding its implementation details. It provides description about how the elements of a system interact with each other. For example Service Oriented Architecture (SOA) is a software architectural approach in  which the different application components provide services to other components over the network. IT is a collection of services that communicate with each other. These services integrate into distinct software systems which belong to different business domains.

3 0
3 years ago
How could the following line of code be shortened?
Alinara [238K]

Answer:

2

Explanation:

The second option is the only one that will work. The last would work but doesn't make the code any shorter.

8 0
2 years ago
. Briefly describe an SQL DML statement for changing existing data in a table.
bearhunter [10]

Answer:

The Update statement in the DML is used for changing existing data in a table.

Explanation:

Their are following Sql statement in the DML.

Insert

This SQL statement is used for inserting data into the table.

select

This SQL statement is used for retrieving data from database  

update

This SQL statement is used for updating data in a table.

delete

This SQL statement is used for delete data from database .

The "UPDATE" SQL statement in DML is used for Modify the data in the existing table .

Following are the syntax of Update SQL query

Update tablename

set column1=value1,column2=value2............column N=valueN

Where condition;

Example :Suppose we have student table and (rollno,name,age and add) are the field for that table we have to change the address of rollno 105

Then we use update query like that

UPDATE STUDENT

SET add='kalam nagar'

where rollno=105;

8 0
3 years ago
Comments can be hidden by clicking the _____ button.
Tamiku [17]
C because previous sends you back to something before such as a web page, Next does the opposite and I can't remember what Show MarkUp does.

5 0
4 years ago
The SQL SELECT built-in function COUNT ____.
tia_tia [17]

The SQL SELECT built-in function COUNT none of the above options.

<h3>What is a SELECT query?</h3>

A select query is known to be a kind of a database object that depicts the information that is shown in Datasheet view.

Note that A query does not save data, it shows data that is saved in tables.  The SELECT statement is known to be one that is often used to select data from what we call a database.

Hence, The data returned is said to be saved in a result table, known to be the result-set.

Based on the above, the SQL SELECT built-in function COUNT none of the above options.

Learn more about  SQL SELECT from

brainly.com/question/10097523

#SPJ1

5 0
2 years ago
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