Answer:
Option A: It includes letters and numbers.
Explanation:
ASCII is the abbreviation of American Standard Code for Information Interchange. This is a character encoding standard to represent letters (upper case and lower case), numbers and special characters (e.g. & and %). This is an encoding standard which is recognized by all computers that enable the exchange of information between different computers become possible.
For example, an uppercase A is represented as number 65 in ASCII code.
ICT means, Information and Communication Technologies
ICT is a borders term for information technology which refers to all communication technologies including the Internet wireless networks, cell phones, computers, software, middleware, video-conferencing, social networking and other media applications and services
2.5 is a float.
Float stands for floating point. Floating point types are numbers with decimal places. I hope this helps!