Internal Hard disk and Portable Hard disk Flashcards
What are the two types of hard disk drive?
Internal and portable
What is the physical size of IHD and PHD?
IHD = 3.5inches PHD = 2.5inches
How much does 8TB cost for Internal Hard Disk and Portable Hard Disk?
£120
What is the capacity for Internal Hard Disk and Portable Hard Disk?
Internal Hard Disk = up to 15TB and Portable Hard Disk = 1TB to 16TB
What is the data transfer speed for Internal Hard Disk and Portable Hard Disk?
100-200MB per second for both
What is the durability like for Internal Hard Disk and Portable Hard Disk?
Good durability when disk is not in use
vulnerable to movement when spinning
Can write to the disk infinite amount of times
Affected by heat and magnetic fields
What is the general reliability of Internal Hard Disk and Portable Hard Disk?
Extremely reliable
What is the typical use of Internal Hard Disk and Portable Hard Disk?
Internal Hard Disk is to be inside a PC for secondary storage and Portable Hard Disk is supplementary storage for a PC or portable storage where high capacity is required
What are PORTABLE hard disk drives often referred to as?
Off-line storage
What factors should you consider when deciding what type of hard disk drive you should buy?
Physical size Cost Capacity Data Transfer Speed Potability Durability Reliability Typical Use