Quiz 1 notes

Question 1

How is information stored in computers?

Answer 1

Tiny little transistors that are magnetized or not for on or off

0 and 1
Make a code of some sort

Question 2

Bit, Byte

Answer 2

Bit- Binary digit
Byte- unit of 8 bits, the smallest unit

Question 3

KiloByte, Mega Byte, etc.

Answer 3

KB- 2^10 bytes or 1024 >1000
MB- 1024^2 bytes >1 mill
GB- 1024^3 bytes > 1 bill
TB- 1024^4 bytes > 1trill

Question 4

What are the computer sizes

Answer 4

micro- desktop
mini- size of desk
mainframe- size of room
super- HUGE

Question 5

Binary codes

Answer 5

ASCII
EBCDIC
Unicode

Question 6

ASCII

Answer 6

By ANSI- binary code- common

run on a micro computer, has 256 symbols, 8 bits

American Standard Code for Information Interchange

Question 7

EBCDIC
-what computer commonly uses it and how many symbols does it have

Answer 7

256 symbols- IBM Mainframe

Extended Binary Coded Decimal Interchange Code

Question 8

Unicode

Answer 8

16 bit- 65336 symbols