Top answers

Which of the following are usually found on the Central Processing Unit(CPU) of a personal computer?

Hard disk drive - No Control Unit - Yes RAM - No Arithmetic Logic Unit (ALU) - Yes BIOS - Yes Registers - Yes ROM - No
JM
Answered by Jack M. • Computing tutor
2650 Views

Rearrange the following to make 'W' the subject: aw + 3 = 4(bw + 5)

aw + 3 = 4(bw + 5) Let's get rid of those brackets... aw + 3 = 4bw + 20 Now we rearrange... aw - 4bw = 17 Factorise... w(a - 4b) = 17 Final rearrange... w = 17 / (a - 4b) Done.
JM
Answered by Jack M. • Maths tutor
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What are the properties of a giant covalent structure?

Giant covalent structures are made up of many covalent bonds between atoms. They have high melting points because it takes a lot of energy to break the strong covalent bonds between the atoms. They cannot co...
PT
Answered by Phoebe T. • Chemistry tutor
46534 Views

What are the differences between diffusion and osmosis?

Both these processes involve the movement of molecules from an area of high concentration to low concentration. They are also both passive processes, so happen without the use of chemical energy. However, os...
PT
Answered by Phoebe T. • Biology tutor
6626 Views

The Tory government was no more liberal from 1822-1827 than 1812-1822. Assess the validity of this statement.

Introduction - Give background to why liberalism was a relevant concept, placing its ascent in the broader context of socio-economic change. Present a clear and coherent sense of your argument, whilst also s...
RC
Answered by Richard C. • History tutor
3237 Views