MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SYSTEM SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the advantages of using a magnetic hard disk? (select all that apply)
A
Store large amounts of data
B
Low cost
C
Fastest speed
D
Very portable
Explanation: 

Detailed explanation-1: -Magnetic storage: Hard Disc Drive (HDD) Relatively cheap per unit of storage. Fast access and retrieval times compared to other storage devices.

Detailed explanation-2: -Random Data Access – Pro Magnetic Storage Magnetic disks are better for random data access. Random data access is a type of file access that can be made without reading through all the data. That’s a big benefit if you need to access file frequency. The removable nature of optical disks makes this feature a lot slower.

Detailed explanation-3: -One of their advantages is durability. Unlike other data storing media, as a rule tapes have a much longer useful life and are less prone to the risks of modern drives. In fact, magnetic tapes can be read securely, even after 30 years, while the average hard drive scarcely lasts five years.

There is 1 question to complete.