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Types of magnetic storage
Hard disk drive, Floppy disk, Magnetic tape
Examples of input devices
Keyboard, Mouse, Microphone, Webcam, Touchpad, Barcode reader, Magnetic stripe reader
An example of a device which is used for both input and output
Touchscreen
What name is given to the areas on a CD’s surface which have been burned into grooves by a laser?
Pits
What does CD stand for?
Compact Disc
Examples of output devices
Speaker, Monitor, Printer, Projector
Which has the highest typical storage capacity: CD, DVD or Blu-Ray?
Blu-Ray
In a hard disk drive, what is mounted at the end of the actuating arm?
Read/write head
Types of magnetic storage
Hard disk drive, Floppy disk, Magnetic tape
Which storage device has typical capacities in the range 500GB-5TB?
Hard disk drive
Two disadvantages of SSDs
High cost per GB, Limited lifespan
What does ROM stand for?
Read only memory
Describe the structure in which information is stored in flash memory
Information is stored in blocks, which are combined to form pages
What is meant by non-volatile?
Does not lose its information when power is lost
Which two types of logic gate are used in flash storage?
NAND and NOR
Three advantages of SSDs
High transfer speeds, Lightweight, No moving parts
Is ROM volatile or non-volatile?
Non-volatile
Which form of storage device uses silicon semiconductors to store information?
Flash
Three disadvantages of CDs
Easily damaged by scratches, Relatively low capacities, Relatively slow transfer speeds
Define the term: Storage device
Storage devices are hardware components that retain digital data within a computer system. They provide a means of storing, accessing, and retrieving data, which can include software applications, documents, images, videos, and more.
