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- 1What is the order of memory from smallest to largest?Bit
Nibble
Byte
Kilobyte
Megabyte
Gigabyte
Terabyte - 2What is main memory also known as?RAM
- 3Is RAM volatile?Yes
- 4What does volatile mean?Memory is only temporary so when the power is switched is switched off the contents are lost.
- 5What is flash memory?A special type of RAM
Non volatile
Cannot replace RAM in a computer as the read/write speed is too slow - 6What does RAM do?It stores instructions for the CPU
- 7Name the types of secondary storage.Flash memory
Optical media
Cloud storage
HDD - 8What does CD-R stand for?Compact Disk Read Only Memory
- 9What does CD-RW stand for?Compact Disk ReWritable
- 10What does DVD-RW stand for?Digital Versatile Disk ReWritable
- 11Name an advantage of HDDHas a lot of memory, it is non volatile, cheap, lasts for years if treated carefully, very reliable
- 12Name a disadvantage of HDDInternal disk is not intended to be portable, is slower than SSD, can be physically damaged
- 13Name an advantage of Optical mediaSmall and portable, cheap to produce, most computers can read CD's, if there is no CD drive then a DVD drive can usually read them, is fairly fast to access data
- 14Name a disadvantage of optical mediaFragile, smaller storage capacity than a hard drive or DVD, slower to access than a hard disk
- 15Name an advantage of cloud storageFast internet connection, dedicated lease line, access it from any computer with internet access, backed up, large amounts of storage, share files
- 16Name a disadvantage of cloud storageExpensive, if you have a huge data sets to handle then the issue of downloading/ uploading can be a problem, risk of being hacked, can't access it without internet connection
- 17Name an advantage of flash storageSmall and light, easy to transport, not easily damaged
- 18Name a disadvantage of flash storageCan be easily lost, limited read and write speeds
- 19—
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