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3 years ago

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Computers and Technology

1 answer:

Anna35 [415]3 years ago

6 0

Answer:

The answer is "Option c"

Explanation:

In PHP to remove all the session variables, we use the session_destroy() function. It doesn't take any argument is required and then all sessions variables could be destroyed by a single call. If a particular clinical variable is now to be destroyed, the unset() function can be applied to unset a session variable. Its session doesn't unset or unset the session cookie by either of the local variables associated with it.

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A motherboard has four DIMM slots; three slots are gray and the fourth is black. What type of memory is this board designed to u

rodikova [14]

Answer:

A motherboard will require DDR3 type of memory.

Explanation:

In the motherboard, we use DDR3 RAM. It stands for "Double Data Rate 3" full name of this ram is DDR3 SDRAM where SDRAM stands for "Synchronous Dynamic Random-Access Memory". It was firstly implemented in the 1970s.

DRAM is not clock-controlled.
The DRAM is asynchronous RAM i.e. with no Synchronous replication of external stimulus.

6 0

3 years ago

You modify a document that is saved on your computer. Where are the changes stored until you save the document?a. Radom access m

BartSMP [9]

Answer:

a. Radom Access Memory (RAM).

Explanation:

If a computer user modifies a document that is saved on his or her computer. This changes are stored on the Radom Access Memory (RAM) until the computer user save the document.

Radom Access Memory (RAM) can be defined as the main memory of a computer system which allow users to store commands and data temporarily.

Generally, the Radom Access Memory (RAM) is a volatile memory and as such can only retain data temporarily.

All software applications temporarily stores and retrieves data from a Radom Access Memory (RAM) in computer, this is to ensure that informations are quickly accessible, therefore it supports read and write of files.

3 0

3 years ago

Which type of system would be more reliable for keeping a plane traveling at constant speed – an automatically controlled feedba

Anastasy [175]

In order to keep the plane travelling at a constant speed, an automatically controlled feedback loop is more reliable.

Explanation:

The main reason behind this is that the plane needs to travel at a constant speed and that would only be maintained by setting constant feedback for the loop.

The feedback being constant will correspond to constant input which will, in turn, correspond to a constant output and hence constant speed.

In the case of using a manually controlled feedback loop, feedback will have to be provided manually at each iteration which is not practically viable as there is a scope for errors.

6 0

3 years ago

Create a stored procedure sp_Q1 that takes two country names like 'Japan' or 'USA'as two inputs and returns two independent sets

Zigmanuir [339]

Answer:

Check the explanation

Explanation:

CREATE PROCEDURE sp_Q1

"at"country1 NVARCHAR(15),

"at"country2 NVARCHAR(15)

BEGIN

SELECT SupplierID, CompanyName, Phone, Country FROM suppliers

where Country in ("at"country1,"at"country2)

SELECT ProductID, ProductName, UnitPrice, SupplierID FROM Products

where SupplierID in(

SELECT SupplierID FROM suppliers

where Country in ("at"country1,"at"country2)) ORDER BY SupplierID

END

-- Testing script.

DECLARE "at"RC int

DECLARE "at"country1 nvarchar(15)

DECLARE "at"country2 nvarchar(15)

-- Set parameter values here.

set "at"country1='UK'

set "at"country2='Canada'

EXECUTE "at"RC = [dbo].[sp_Q1]

"at"country1

,"at"country2

Kindly check the attached images below to see how it looks like on a code editor.

7 0

4 years ago

To do a good job of searching periodicals at your library, you should use A) the Library of Congress Authorities webpage. B) web

jonny [76]

Answer:

C) the online catalog.

Explanation:

An online library catalog describes the periodicals, videotapes, and books as it is the electronic bibliographic database. This evolved from the printed source, the library card catalog. Hence, this clarifies that its C. the correct option.

However, LexisNexis is the unit that gives computer-assisted research CALR and business research as well as risk management services. So through this, you can get the legal and journalistic documents.

And the stack or the book stack which is referred to as the library building block is for book storage. And the library of Congress Subject Headings is active since 1898 and holds the catalog materials which are being collected by the Library of Congress, and they do not keep track of periodicals. And the BizMiner is for financial reports.

Hence, the correct answer is the C) the online catalog.

5 0

3 years ago