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3 years ago

11

Most manual-transmission vehicles use a _______ to gauge engine speed in RPMs. A. variable valve timer B. tachometer C. torque i

ndicator D. speedometer

Computers and Technology

1 answer:

gavmur [86]3 years ago

5 0

I believe the answer is b. tachometer

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A computer has a memory ________, rather than just a single memory component. The lowest level is some form of ________ storage

oksian1 [2.3K]

Answer:

A computer has a memory hierarchy, rather than just a single memory component. The lowest level is some form of secondary storage such as a magnetic disk. The next level is the main memory where a subset of the data from the hard disk is stored temporarily. The cache memory is the next level and uses SRAM to store frequently used data. Finally, the register store variables and temporary results for the current CPU computations.

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3 years ago

READ CAREFULLY! There is a difference between moving and copying files.a. Create a directory named . For example, mine would be

OleMash [197]

Answer:

b

Explanation:

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3 years ago

Which of the following is an example of a Boolean operator?

miv72 [106K]

Answer:

C. But

Explanation:

Boolean operators are the operators that may have only two outputs which are True/False, On/Off and 1/0.

"But" can also be the example of Boolean operator. It is used in the meaning of "except" or "other than".

In Boolean operators "But" can be used as "AND" operator.

for example

<em>I am busy but I will go.</em>

In above example but is used as and which is combining two oposite statements. as

I am busy and I will go.

Both statement oppose each other, so to make sense in English "But" is used.

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3 years ago

Application means to

lakkis [162]

An application or an app is a type of software that allows us to perform specific task . When you opens an application it runs inside your operating system . If more than one application are opened in one time it is known as multitasking
Applications of desktop or laptop are called desktop applications while mobile applications are called mobile apps

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3 years ago

Using the world_x database you installed in Module 1, list the countries and the capitals of each country. Modify your query to

Rainbow [258]

Answer:

SELECT country.Name, city.Name

FROM country

JOIN countrylanguage ON country.Code = countrylanguage.CountryCode

JOIN city ON country.Capital = city.ID

WHERE countrylanguage.Language = 'English'

AND countrylanguage.Percentage < 30;

Explanation:

SELECT is used to query the database and get back the specified fields.

City.Name is an attribute of city table.

country.Name is an attribute of country table.

FROM is used to query the database and get back the preferred information by specifying the table name.

country , countrylanguage and city are the table names.

country and countrylanguage are joined based ON country.Code = countrylanguage.CountryCode

countrylanguage and city are joined based ON country.Capital = city.ID

WHERE is used to specify a condition based on which the data is to be retrieved. The conditions are as follows:

countrylanguage.Language = 'English'

countrylanguage.Percentage < 30;

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3 years ago