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BLI-224: ICT FUNDAMENTALS TUTOR MARKED ASSIGNMENT Coverage: Course: ICT Fundamentals Blocks: 1 to 4 Units: 1 to 16 Course Code: BLI- 224 Assignment Code: AST/TMA/Jul.2020/Jan.2021 Total Marks: 35 1) Answer all the questions in not more than 500 words each. 1) Discuss the three levels of abstraction in DBMS. 2) Explain the file system of UNIX operating system. 3) Describe three applications of Web 2.0 in libraries. (5) (5) (5) II) Write short notes on the following in not more 200 words each. 1) Mail merge in Libre Office 2) HTML 3) Circuit switching 4) Web widgets 5) Simplex data transmission 6) Image compression 7) Web searching tools 8) ATM protocol stack 9) Digital signature 10) Router in data communication