Courses
Lesson 9 - Storage Devices
By the end of this Section you should be able to: Identify and Understand Storage Devices Understand Types of Memory and how it is Measured Understand Elements of Computer Performance Storage capacity uses several terms to define the increasing amounts of data that can be stored. 1 bit The amount of storage space needed to hold either a 1 or a 0 in memory (binary numbering). This is the smallest unit of computer memory 1 byte Equal to 8 bits, this is the amount of storage space needed to hold one character 1 kilobyte (k) 1024 bytes 1 Megabyte (Mb) 1024k or 1,048,576 bytes (approx. 1 million) 1 Gigabyte (Gb) 1024Mb or 1,073,741,824 bytes (approx. 1 billion) 1 Terabyte (Tb) 1024 Gb or 1,099,511,627,776 bytes (approx. 1 trillion) Information is saved to the Hard Disk Drive (HDD) and remains there ready to be retrieved at some future date. Applications software packages or programs are also stored on the hard disk
Lesson List
- Lesson 1 - Types of Computers Duration: 00:33:03
- Lesson 2 - The Components of a Computer Duration: 00:20:48
- Lesson 3 - Hardware and Software & Revision Duration: 00:29:09
- Lesson 5 - The Central Processing Unit Duration: 00:21:45
- Lesson 6 - Input Devices Duration: 00:12:30
- Lessons 7 & 8 - Output devices and Revision Duration: 00:17:55
- Lesson 9 - Storage Devices Duration: 00:21:58
- Lesson 10 - Types of Memory Duration: 00:15:26
- Lesson 11 - Measuring Memory Duration: 00:16:31
- Lesson 12 - Computer Performance Duration: 00:17:31
- Lesson 13 - Revision Duration: 00:08:37
- Lesson 14 - Operating System Duration: 00:15:15
- Lesson 15 - Application Software Duration: 00:18:52
Teachers Info
Richard Murphy
- Website: http://www.rtsolutions.co.za
-
Pastor at Word of Faith Christian Centre and Owner at RT Solutions. RT Solutions was established in 2003 as total business solutions company in the Garden Route area. Situated at 67 York Street we have been offering specialized solutions to home and business clients for more than 17 years.
Contact Us
126 Merriman Street
George, 6529
Western Cape
South Africa
Email: richard@hisheart.co.za
Tell: 044 874 1993
Cell: 083 275 6546