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Posted By: raja Member Level: Gold Posted Date: 29 Jan 2008
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2008 Osmania University M.C.A Elements of Information Technology Question paper
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Faculty of Informatics
M.C.A. I Year-I Semester(Main & Backlog) Examination
January 2008
Elements of Information Technology
Time:3 Hours Max Marks:80
Note:Answer one question from each unit. All questions carry equal marks.
UNIT-I
1.(a)What are the functions of Operating System? Distinguish between single user and multi-user Operating System.
(b)What is the difference between System Software and Application Software?
2.(a)What is the difference between data & information?
(b)What are the principal measurements of data?
(c)Explain Hardware & Software components.
UNIT-II
3.(a)Briefly explain different types of storage devices.
(b)Explain 4 types of printers.
4.(a)Differentiate between the following.
(i)Static RAM - Dynamic RAM
(ii)EPROM - EEPROM
(b)Explain the different mechanisms of measuring the processing speeds of computers.
UNIT-III
5.(a)What is the difference between Internet & Intranet?
(b)Write briefly about the world wide web.
6.(a)Explain different types of network topologies.
(b)Explain the need for computer communication networks.
UNIT-IV
7.(a)In a spread sheet how to enter a data in cell. Give syntax off a simple if condition.
(b)Write the sequence of steps to sort data in a spread sheet.
8.Different between the following:
(a)File Management System – Database Management System.
(b)Word Processing – Spread sheet.
(c)HTML – XML
UNIT-V
9.List out six security threats to computers and communication systems and explain the details of each one of them.
10.Explain six phases of system analysis and design
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