Web Application Flashcards
Various types of impairment
Cognitive and visual and hearing and motor
What is computer accessibility
It refers to the is of user friendliness of a computer system for all regardless of that type and severity of disability
Steps to launch ease of access centre
Click on start button then click on control panel then ease of access then ease of access centre
Various keys in the keyboard tab
Sticky keys and filter keys and toggle keys
Use of sticky keys
They help the modified keys to remain active until another keys pressed
Use of filter keys
It enables to ignore repeated keystocks making typing is your for people with hand trimmers
Toggle keys
Introduces abip sound when some special keys like caps lock our pressed
Sound sanitary
Ek generates visual boarding such as blinking title bar flashing border whenever computer produces a sound
Display tab
Cursor and high contrast
Cursor option
It is an accessibility feature that assist people with vision impairment it helps to change the width of its contrast and other related features
High contest
This feature assist people with Visual impairment with the use of distinct colours to display with the high contrast scheme by adjusting the colour and brightness at sector
Mouse tab
It has mouse keys which are used to control the mouse using number keypad
What is the computer network
Computer network is a link of two or more computers and computing devices which are connected together to share information and resources among each other
Difference between client server architecture and pear to peer architecture
Client server architecture in many networks data is mainly stored in a centralised computer of higher configuration computers which store data and provide resources are called servers and the computers that avail the centralise resources are called as clients
Peer to pure architecture is in which all computers are connected to each other under different topologist where each workstation has equal right to access the data
Types of networks
LAN man Wan
Define LAN
It is a type of network in which computers are connected in a local unit or small geographical area data transfer speed is high 100 to 1000 mbps it is owned by individual or an organisation
Define man
It stands for Metropolitan Area Network in which computers are connected over a large geographical area such as city it has a larger area than length it is surrounded with in a single City or Metropolitan area it is owned by large organisations to interconnect all its branches acrocity
Define w a n
It is a type of network in which computers are connected over a large geographical area such a cities States countries or even the whole world common example of van is internet it has comparatively less speed it connects a larger geographical area at the less cost
What is internet
It is a network of sharing of information among millions of computers around the globe
What is www
World wide web is a Framework for accessing the documents that are spread over millions of computing device is over the internet
Define ISP
It provides accessibility to use internet through it server it is an organisation like BSNL jio
What is a modem
It is a Peripheral device with converts analogue signals to digital called modulating and converts digital signals to analogue called modulating now a days once have enbaked modem devices
What is a router
It is an electronic device that has ability to connect multiple lens which have different
Instant messaging
At refers to instantaneous exchange of messages between sender and receiver example WhatsApp Telegram Skype etc
