1a) An input device is any hardware device that
sends data to a computer, allowing you to
interact with and control the computer. The
picture shows a Logitech trackball mouse, an
example of an input device.
1b i) key board
ii) The mouse
1c) i) Logic gates are digital components that
typically work two levels of voltage and
determine how a component conducts
electricity.
ii) Logic gates use Boolean
equations and switch tables.
(3a)
information is an analyzed or processed data, which is now
more meaningful and decisions can be made based on its
data and information is connected.
Communication technology is the activity of designing,
constructing and maintaining communication systems. In
the modern era it is referred to as ICT. This is information
and communications technology, and includes any
communication device or application such as radio and
television.
(3b)
LAN-local area network
GPS-global postioning Service.
IP-internet protocol
(3b)
LAN-local area network
GPS-global postioning Service.
IP-internet protocol
============
(4b)ii.
+Password-protect
+documents encryption
+Secure wireless transmissions
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