hardware and software

Question	Answer
what does volatile mean?	data will be lost if not saved properly
what is cache memory?	Cache memory is random access memory that a computer can access more quickly than it can access regular RAM.
what is virtual memory?	Virtual memory is when there is several programmes running at the same time and the RAM is struggling to deal with all the demands. it is temporary storage in the hard disk drive but can be easily moved back into ram when needed.
name something in computing that will help someone with disabilities?	foot mouse,eye typer,braille keyboard,speakers/microphone,puff/suck switch.
what is clock speed?	how many and how fast the computer can carry out instructions
True or False Rom holds the start up information	True
TRUE or FALSE Rom is volatile	False
what are logic gates?	A logic gate is an elementary building block of a digital circuit. Most logic gates have two inputs and one output.
what does the virtual memory process prevent?	the computer crashing.
in a AND gate if both inputs are 1 what will the output be?	1
in a AND gate if the inputs are 0 and 1 what will be the output?	0
what does a not gate do?	takes one bit as input and gives the opposite as an output
in a or gate iff both inputs are 0 the output would be............?	0
in a or gate if the inputs are 1 and 0 the output would be.......?	1

Resource summary

	Created by mallett.c18 over 9 years ago