Storage unit

Storage unit

1. Bit, Byte, KB, MB, GB etc... Computer Data Memory Units Explained in Detail ALLPPT.com _ Free PowerPoint Templates, Diagrams and Charts

2. Definition What is Computer Data Units ? Computer Data unit is a unit for measuring computer memory.

3. Memory Kinds Of Memory… Computer Data unit is a unit for measuring computer memory.

4. Memory Storage Devices use the unit of memory card…

5. What is bit ? Most important part in system. First we know about what is bit. Computer circuit need power of electricity. Electricity power mode On and Off The on and Off is Bit in electricity. Because the computer are store the data in form off electricity. In Electricity also called bit. Only two value in bit 0 and 1 mean on and off.

6. What is Nibble ? This not import unit in computer. Nibble Storage Unit Half a byte (four bits) is called a  nibble .

7. What is Byte? This is import unit in computer. Byte Storage unit In Computer System are all information mention in byte format data display on screen. Bit or Byte both are different form. 1 Byte = 8 bits. A byte is the unit most computers use to represent a character such as a letter, number or typographic symbol.   for example, “g”, “5”, or “?”

8. Confusion  Sign Which is bit and Byte. b = bit B = Byte 1024 * 1024 = 2048 2048/8 = 256 2Mb/s = 256 KB/s

9. Octet This not import unit in computer . Which is bit and Byte. in some systems, the term octet is used for an eight-bit unit instead of byte. In many systems, four eight-bit bytes or octets form a 32-bit word. In such systems, instructions lengths are sometimes expressed as full-word (32 bits in length) or half-word (16 bits in length).

10. Kilobyte 1024 bytes = 1 KB Note  A Kilobyte (kb or Kbyte) is approximately a thousand bytes ( actually, 2 to the 10th power, or decimal 1,024 bytes).

11. Megabyte 1024 kilobyte= 1 MB Note  As a measure of computer processor storage and real and virtual memory, a megabyte (abbreviated MB) is 2 to the 20th power byte, or 1,048,576 bytes in decimal notation.

12. Gigabyte 1024 Megabyte= 1 GB Note  A Gigabyte (pronounced Gig-a-bite with hard G’s) is a measure of computer data storage capacity and is “roughly” a billion bytes. A gigabyte is two to the 30th power, or 1,073,741,824 in decimal notation.

13. Terabyte 1024 Gigabyte= 1 TB Note  A Terabyte is a measure of computer storage capacity and is 2 to the 40th power of 1024 gigabytes.

14. Petabyte 1024 Terabyte= 1 PB Note  A Petabyte (PB) is a measure of memory or storage capacity and is 2 to the 50th power bytes or, in decimal, approximately a thousand terabytes (1024 terabytes).

15. Exabyte 1024 Petabyte= 1 EB Note  An Exabyte (EB) is a large unit of computer data storage, two to the sixtieth power bytes. The prefix exa means one billion billion , or on quintillion , which is a decimal term. Two to the sixtieth power is actually 1,152,921,504,606,846,976 bytes in decimal, or somewhat over a quintillion (or ten to the eighteenth power) bytes. It is common to say that an Exabyte is approximately one quintillion bytes . In decimal terms, an Exabyte is a billion gigabytes.

16. Zettabyte 1024 Exabyte= 1 ZB Note  A  Zettabyte  (ZB) is equal to one sextillion bytes. It is commonly abbreviated ZB. At this time, no computer has one Zettabyte of storage. It has 1024 Exabytes .

17. Yottabyte 1024 Zettabyte = 1 YB Note  A  Yottabyte  is equal to one septillion bytes. It is commonly abbreviated YB. At this time, no computer has one Zettabyte of storage. It has 1024 Zettabytes .