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What is meant by the term spooling? Give an example of when it can be used.

Spooling refers to the use of a temporary storage area, a buffer held in memory for a peripheral device to access when it's ready to process the instruction. This is because devices access data at different ...
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Answered by Zoe N. Computing tutor
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Define the terms CU and ALU and briefly explain their roles in the CPU.

The two terms are acronyms for "Control Unit" and "Arithmetic and Logic Unit". The ALU handles all arithmetic operations (for example, addition) and all logical operations (for example, c...
JD
Answered by João D. Computing tutor
10780 Views

What are adventages and disadventages of encryption network security?

Network security focused on encryption are strong in raw computer security - the computers can encrypt data fast enough and the encryption is reliable and difficult to break. However, it has its downfalls - ...
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Answered by Sara J. Computing tutor
2208 Views

What is encapsulation?

Encapsulation is restricting data and actions to object they are defined in. In other words, no other object can access and modify them directly. In Java encapsulation can be achieved by making an object or ...
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Answered by Sara J. Computing tutor
2627 Views

What is the range of denary numbers that can be represented using 8-bit two’s complement binary integers?

In the two's complement notation - the first bit is used to display whether a number is positive or negative. This leaves us with 7 bits to work with to signify the magnitude(size of the number). To calculat...
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Answered by Juris B. Computing tutor
17093 Views