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CBSE AISSCE 2018 Marking Scheme for Informatics Practices
(​Sub Code: 065 Paper Code 90​)

General Instructions:
● Marking scheme is the final document for all references with regard to evaluation and cannot be
altered under any circumstance.
● The answers given in the marking scheme are SUGGESTIVE. Examiners are expected to award
marks for all alternative correct Solutions/Answers conveying the similar meaning.
● All programming questions have to be answered with respect to Java Language only.

In Java,
● Ignore case sensitivity for Variable identifiers in programming codes.

In SQL related questions :
● Single quote ‘ ’ as well as double quote “ ”should be accepted for text/character/date entries.
For example: “AMAR” and ‘amar’ both are acceptable.
● Date entries should be accepted in all formats. For example: ‘YYYY-MM-DD’, ‘YY-MM-DD’,
‘DD-Mon-YY’, “DD/MM/YY”, ‘DD/MM/YY’, “MM/DD/YY”, ‘MM/DD/YY’ and {MM/DD/YY} are correct.
● Semicolon should be ignored for terminating the SQL statements.
● Ignore case sensitivity for commands.
● Ignore headers in output questions.
1 (a) ABC Company wants to link its computers in Head office in New Delhi to its office in 2
Sydney. Name the type of Network that will be formed. Which communication media
should be used to form this Network?
Ans Type of network that will be formed : Wide Area Network(WAN)
Transmission media to be used : Satellite
(1 mark for each part)
(b) ​Which of the following is/are ​not​ communication media ? 2
(i) Microwaves
(ii) Optical Fiber cable
(iii) Node
(iv) Radio waves
Identify which of the above mentioned communication media are Wired media and
which ones are Wireless media.
Ans Not communication media : Node
Wired media : Optical Fiber cable
Wireless media : Microwaves , Radio waves
(½ mark for identifying Node as not a communication media )
(½ mark for identifying wired media)
(½ mark each for identifying wireless media)
(c) Write two examples each of software in the following categories: 2
(i) Open Source Operating System
(ii) Open Source Web Browser
Ans (i) Linux, Android, FreeBSD, OpenBSD, NetBSD, DragonFly BSD, OpenSolaris, illumos,
AuroraUX, Darwin, OpenDarwin, MINIX, FreeRTOS, FreeDOS, Haiku, House KolibriOS,
MenuetOS, GNU, ReactOS, L4, Fiasco, Pistachio, Plan 9, AROS, Syllable, Inferno, NuttX,
eCos, RTEMS, HelenOS, E/OS, TempleOS, Linux, BOSS, Ubuntu, Kali Linux
(ii) Mozilla Firefox, Google Chrome, Opera, QupZilla, Midori, rekonq, Tor Browser,
NetSurf, Pale Moon, GNOME Web
(½ mark each for mentioning any two valid Open Source Operating System)
(½ mark each for mentioning any two valid Open Source Web Browser)
(d) Expand the following terms : 2
(i) GSM
(ii) IP

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