ICT Flashcards
(45 cards)
How does magnetic storage store data?
It uses magnetic patterns on rotating disks or tapes.
What are examples of magnetic storage?
Hard Disk Drive (HDD), Portable HDD, Magnetic Tape.
What are the advantages of magnetic storage?
Large capacity, low cost per GB, long lifespan if stored properly.
What are the disadvantages of magnetic storage?
Slower read/write speed, easily damaged by shock, heavy and bulky.
How does optical storage function?
It uses laser technology to read/write data on discs.
What are examples of optical storage?
CD, DVD, CD/DVD-R, CD/DVD-RW, Blu-ray.
What are the advantages of optical storage?
Cheap, portable, good for media distribution, secure read-only options.
What are the disadvantages of optical storage?
Limited storage capacity, slow access speed, sensitive to scratches/dust.
How does solid-state storage store data?
It uses flash memory with no moving parts.
What are examples of solid-state storage?
USB Flash Drive, Memory Card (SD).
What are the advantages of solid-state storage?
Fast read/write speed, compact, resistant to physical damage.
What are the disadvantages of solid-state storage?
Expensive per GB, limited write/erase cycles, easy to misplace.
What is a network?
A system connecting devices to share data and resources.
What are advantages of a network?
File sharing, central data management.
What are disadvantages of a network?
Security risks, setup cost.
What is a LAN?
Local Area Network connects devices within a small area.
What are the advantages of LAN?
Fast transfer, low setup cost.
What are the disadvantages of LAN?
Limited to small areas, requires maintenance.
What is a WAN?
Wide Area Network connects multiple LANs over large distances.
What are the advantages of WAN?
Covers large areas, allows global communication.
What are the disadvantages of WAN?
Slower speeds, high cost.
What is WLAN?
Wireless LAN connects devices in a small area without cables.
What are the advantages of WLAN?
No cables, device mobility.
What are the disadvantages of WLAN?
Weak signal, less secure.