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Sati [7]
2 years ago
6

What technical was the microscope invented in?

Computers and Technology
1 answer:
Ilia_Sergeevich [38]2 years ago
8 0

Answer:

Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope in 1590.

Explanation:

A microscope is an instrument that makes an enlarged image of a small object, thus revealing details too small to be seen by the unaided eye. The most familiar kind of microscope is the optical microscope, which uses visible light focused through lenses. Eeuwenhoek observed animal and plant tissue, human sperm and blood cells, minerals, fossils, and many other things that had never been seen before on a microscopic scale. He presented his findings to the Royal Society in London, where Robert Hooke was also making remarkable discoveries with a microscope.

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Which of the following is NOT true about variables?
VikaD [51]

Answer:

The answer to this question is given below in the explanation section.

Explanation:

The value stored by a variable can be changed after it is assigned(true).

The value of a variable can be changed after it is assigned, for example:

int a=10;

and we can change the value of variable a in letter program such as:

a=15;

Variables are a name for a spot in the computer's memory (true).

it is true, because the variables value stored in the computer's memory and we can access theses values by their name (variable name). so Variables are a name for a spot in the computer's memory.

Variable names can be words: such as temperature or height (true).

Yes, the variable name can be words such as height, width, temperature etc.

The value stored by a variable cannot be changed after it is assigned (false).

It is noted that the value stored by a variable can be changed after it is assigned. However, it is noted that is some programming language, you can't change the value of static variable.

3 0
3 years ago
How many jobs can you get without a college degree
larisa86 [58]
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Detectives and criminal investigators. ...
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7 0
3 years ago
Read 2 more answers
On a wireless router, what gives out IP addresses?<br> DHCP<br> DNS<br> WPA<br> WPS
attashe74 [19]

Answer:

DHCP

Explanation:

The only option can give IP addresses is the DHCP The Dynamic Host Configuration Protocol, because the DNS (Domain Name System) only translates IP addresses to a hostname, and WPS (Wi-Fi Protected Setup) or WPA (Wi-Fi Protected Access) if for security network, doesn't matter if is a wireless router, in a network always DHCP gives the IP addresses.

7 0
3 years ago
)In a vector implementation of a stack ADT, you add an entry to the top of a stack using which vector method?
kotykmax [81]

Answer:

B.add.

Explanation:

boolean add(element)

The add method in java inserts an element in the vector.It's return type is Boolean it returns true if the element is successfully inserted in the vector and false if the operation is unsuccessful.There is no Push operation in vector.Hence we conclude that the answer is add.

8 0
3 years ago
Default color html ​
Marrrta [24]

Answer:

black for font...

and

white for bg color

Explanation:

i think this is enough for ur question...

3 0
3 years ago
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