bits and bobs Flashcards
example of input, output and storage components
keyboard, printer, hard drive
function of cpu (3)
fetch - retrive next instruction
decode - translate to be understood
execute - carry out the operation
function of ram and rom
temporarily stores information that can be used easily
permanently stores information retrieved
function of bios
instructs computer the basic functions of what to do after being turned on and manages data flow
put the following units in order
kilobyte, nibble, gigabyte, megabyte, bit, byte
bit, nibble, byte, kilobyte, megabyte, gigabyte
in hexadecimal what number does A represent
10
what is the shape of a processor and input/output
(flowcharts)
rectangle, squished rectangle
example of optical, magnetic and flash memory of secondary storage decives
DVD, hard disk drive, USB pen drive
not, or, and logic gates
not = opposites
or = one 1 = yes
and = two 1 = yes
nor, xor, nand logic gates
nor = two 0 = yes
xor = two 1 or two 2 = yes
nand = one 0 = yes
equal and not equal Boolean operators
equal a == b
not equal a != b