1.1.3 Input, Output & Storage

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.