Types of computer

PC/desktop computers

a general-purpose computer made up of a separate monitor keyboard and processor unit

advantages of PC/desktop over laptops (3)

power consumption not critical

less likelihood of them being damaged (fixed location)

more stable internet access (not moved around)

disadvantages of PC/desktop with laptop (2)

not portable

clutters up desk space (many components)

laptop

type of computer where the monitor keyboard pointing device and processor are all together in one single unit

advantages of laptops over computers (3)

can take full advantage of wifi

more portable

can link to any multimedia system

disadvantages of laptops with computers (2)

easier to steal

limited battery life

Tablets

use touchscreen technology and don’t usually have a conventional keyboard

tablet internet access (2)

wifi

3G/4G/5G

advantages of tablets over laptops (3)

faster switch on time

fully portable

don’t generate any heat

disadvantages of tablet with laptop (3)

limited memory storage

touchscreen can be slow/ error-prone

expensive to run if only using G connectivity

Smartphones

use touchscreen technology

smartphones advantages (3)

very small/lightweight

can be used almost anywhere

reasonable battery life

smartphone disadvantages (3)

small screens may be difficult to use

memory size isn’t very large

easier to lose cause of small size

Mainframe computers

large very powerful computer system

what are mainframe computer used to run and examples

commercial applications eye banking and insurance

mainframe features (3)

can have several CPU’s

very fast processor speeds

huge amounts of storage capacity