Edexcel IGCSE ICT Topic 1 - Digital Devices| Exam Questions and Answers 100% Solved| Latest
Update Graded A+
Different speeds of data transfer and levels of convenience What can different connectivity
types provide
Usually faster and more reliable What are the benefits of wired connectivity
To make a copy of information stored on a computer in case the original is lost or damaged
Back up
Additional cost, mess, inconvenience and safety risks What drawbacks are there of using
wired connection
Items such as memory cards and CD-ROMs that make information available to people and
devices Media
SD, Micro SD flash memory cards, DVD Examples of media (3)
Longer battery life Benefit of lower energy consumption in mobile devices
Expansion slots to allow them to make use of flash memory cards What expansion
capabilities do some mobile phones have
Ports such as USB ports How can PC or mobile systems be expanded and give an example
Allows the user to connect peripheral devices What is a benefit of additional USB ports
To make a device inactive so that it requires a password or PIN to reactivate it Lock
,To delete data from a device or drive Wipe
Long and complex What makes a good password
Input, output, storage 3 types of peripheral devices
Devices that send data to a computer Input peripherals
Use buttons known as keys which users press to input text or to interact with software
Keyboards
Different operating systems, languages and functions What might you need a different
keyboard for
A combination of key presses used to access common software commands quickly Shortcut
A method of typing without looking at the keys Touch typing
Increases the speed to input data Benefit of touch typing
Linked Mapped
An on-screen indicator used to select displayed objects Pointer
Uses an optical sensor to recognise the movement of a device Mouse
, Rolled to move the pointer Tracker ball
Surface that senses finger movements and touches track pad
Commonly used on games controllers to move sprites Joystick
On-screen graphics in a computer game that are used to represent characters, vehicles and
objects Sprites
Flat pad used with a stylus Graphics tablet
Pen shaped device Stylus
Uses light sensors to record physical documents, and saves it to the computer Scanner
Software allows scanners to read characters on the document and store the result in a text file
Optical Character recognition
Used with scanners to detect simple marks on an object Optical mark recognition
A pattern of lines and gaps that can be read by a device Barcode
Linear, Matrix What are the two types of barcode (alphabetically)
QR codes Another name for matrix codes are
Information Matrix codes can hold more ______ than linear barcodes
Update Graded A+
Different speeds of data transfer and levels of convenience What can different connectivity
types provide
Usually faster and more reliable What are the benefits of wired connectivity
To make a copy of information stored on a computer in case the original is lost or damaged
Back up
Additional cost, mess, inconvenience and safety risks What drawbacks are there of using
wired connection
Items such as memory cards and CD-ROMs that make information available to people and
devices Media
SD, Micro SD flash memory cards, DVD Examples of media (3)
Longer battery life Benefit of lower energy consumption in mobile devices
Expansion slots to allow them to make use of flash memory cards What expansion
capabilities do some mobile phones have
Ports such as USB ports How can PC or mobile systems be expanded and give an example
Allows the user to connect peripheral devices What is a benefit of additional USB ports
To make a device inactive so that it requires a password or PIN to reactivate it Lock
,To delete data from a device or drive Wipe
Long and complex What makes a good password
Input, output, storage 3 types of peripheral devices
Devices that send data to a computer Input peripherals
Use buttons known as keys which users press to input text or to interact with software
Keyboards
Different operating systems, languages and functions What might you need a different
keyboard for
A combination of key presses used to access common software commands quickly Shortcut
A method of typing without looking at the keys Touch typing
Increases the speed to input data Benefit of touch typing
Linked Mapped
An on-screen indicator used to select displayed objects Pointer
Uses an optical sensor to recognise the movement of a device Mouse
, Rolled to move the pointer Tracker ball
Surface that senses finger movements and touches track pad
Commonly used on games controllers to move sprites Joystick
On-screen graphics in a computer game that are used to represent characters, vehicles and
objects Sprites
Flat pad used with a stylus Graphics tablet
Pen shaped device Stylus
Uses light sensors to record physical documents, and saves it to the computer Scanner
Software allows scanners to read characters on the document and store the result in a text file
Optical Character recognition
Used with scanners to detect simple marks on an object Optical mark recognition
A pattern of lines and gaps that can be read by a device Barcode
Linear, Matrix What are the two types of barcode (alphabetically)
QR codes Another name for matrix codes are
Information Matrix codes can hold more ______ than linear barcodes
