Types of Digital Devices

Question 1

mainframe computer

Answer 1

a large, powerful computer that can do a lot of complicated jobs quickly and can be used by a lot of people at the same time

Question 2

microprocessor

Answer 2

the device that controls what a computer does; it takes data as input, does something with it and provides output.

Question 3

server

Answer 3

a computer program / device that provides a service to another computer program and its user.

Question 4

supercomputer

Answer 4

a computer with a high-level of performance compared to a general purpose computer

Question 5

upgrade

Answer 5

to make a computer better and be able to do more things peripheral device equipment that is connected to a computer and used with it

Question 6

sbc

Answer 6

(single board computer) affordable computers used in education, embedding computer projects and physical computing projects

Question 7

sim

Answer 7

(subscriber identity module) mobile phones use a sim card to connect to a mobile phone network and used to identify the subscriber to a mobile phone network

Question 8

specialist phone

Answer 8

has features that provide users with functions that meet particular user needs. for example, an emergency button that is linked to a list of emergency contacts.
also meets users accessibility needs for example blind or partially sighted people - every feature is spoken aloud, features have fewer and larger buttons and connections for hearing aids

Question 9

smartphone

Answer 9

wi-fi and mobile phone connectivity to make phone calls across the internet . they also include other features such as: cameras, media players, hand-held games. apps can be downloaded which can allow users to customise their smartphones with entertainment, education and business. other features include touchscreen, on-screen keyboard, short battery life - charge more often

Question 10

wi-fi

Answer 10

a way of connecting computers or other electronic machines to a network or the internet by using radio signals rather than wires

Question 11

games console

Answer 11

an electronic device that is used for playing computerized video games on a screen

Question 12

application (app)

Answer 12

a program that allows a user to perform a task

Question 13

virtual keyboard

Answer 13

a keyboard displayed and used on a touchscreen

Question 14

pixel

Answer 14

a small dot that helps make up an image

Question 15

resolution

Answer 15

the number of pixels used by a screen to display an image

Question 16

pixelated

Answer 16

an effect that creates an unclear image consisting of large individual pixels that are visible to the human eye

Question 17

cameras and camcorder

Answer 17

Digital cameras and camcorders use light sensors to capture images formed by light passing through the device’s lens. Traditionally, cameras are used to capture still images and camcorders are used to capture moving images. However, most digital cameras can now film moving images and most camcorders can photograph still images.