Unit 7: Computer Technology.

Character Representation (ASCII, ISCII, Unicode); Computer Hardware, Software; Storage Devices; Input and Output Devices. 

Types of Software - System Software, Application Software. 

Programming Languages – Object Oriented, Procedural, High Level, Scripting; Web Languages. 

Telecommunication - Transmission Channels, Mode, and Media, ISDN, PSDN, Multiplexing, Modulation, Standards and Protocols. 

Wireless Communication – Media, Wi-fi, Li-fi, Satellite Communication, Mobile Communication. 

Computer Networks - Topologies, Types of Networks – LAN, MAN, WAN. 

Internet - Web browsers, WWW, E-mail; Search Engines, Meta and Entity Search engines. 

Internet Protocols and Standards – HTTP, SHTTP, FTP, SMTP, TCP/IP, URI, URL. 

Hypertext, Hypermedia, Multimedia, Video conferencing, Virtual Reality, Augmented Technologies. 

Data Security, Network Security, Firewalls, Cryptographic Techniques, Anti-virus software, Anti-spyware, Intrusion Detection System.