Answer:
Justify this statement with an example. Ans: Computer Network reduces expenses of an office because computer on a network share different hardware devices like printers, scanners, hard disk etc. And sharing those hardware devicAes will reduces the expense of an office.
Explanation:
Justify this statement with an example. Ans: Computer Network reduces expenses of an office because computer on a network share different hardware devices like printers, scanners, hard disk etc. And sharing those hardware devicAes will reduces the expense of an office.
Answer:
B) the time it takes for the required sector to position itself under the read/write head.
Explanation:
In Computer science, Access time is the time it takes for the required sector to position itself under the read/write head. It is usually measured in milliseconds.
It is the speed of the storage device.
There are two types of secondary memories.
- RAM
- ROM
RAM:
- RAM stands for random access memory .
- It is expandable.
- we can do multiple things in it.
- Its erasable.
ROM
- ROM stands for read only memory.
- It is permanent .
- We can only read in it.
- Its permanent hence not removable.
Answer:
200 nm
Explanation:
We need a constructive interference to see the bright reflection
we know that 
where m=1 and 
is the wavelength of the gasoline
so 
putting the value of m and in thickness equation
so the thickness of the film will be 200 nm
For applying the filter you need to select the data on which you want to apply it so it will allow you to look at only data you select from the filter options.
