bits and bobs Flashcards

1
Q

example of input, output and storage components

A

keyboard, printer, hard drive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

function of cpu (3)

A

fetch - retrive next instruction
decode - translate to be understood
execute - carry out the operation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

function of ram and rom

A

temporarily stores information that can be used easily
permanently stores information retrieved

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

function of bios

A

instructs computer the basic functions of what to do after being turned on and manages data flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

put the following units in order
kilobyte, nibble, gigabyte, megabyte, bit, byte

A

bit, nibble, byte, kilobyte, megabyte, gigabyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

in hexadecimal what number does A represent

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the shape of a processor and input/output
(flowcharts)

A

rectangle, squished rectangle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

example of optical, magnetic and flash memory of secondary storage decives

A

DVD, hard disk drive, USB pen drive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

not, or, and logic gates

A

not = opposites
or = one 1 = yes
and = two 1 = yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

nor, xor, nand logic gates

A

nor = two 0 = yes
xor = two 1 or two 2 = yes
nand = one 0 = yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

equal and not equal Boolean operators

A

equal a == b
not equal a != b

How well did you know this?
1
Not at all
2
3
4
5
Perfectly