Computer class 10 notes, Schemes and Mind Maps of Computer science

they are computer class 10th notes

Typology: Schemes and Mind Maps

2021/2022

Uploaded on 11/20/2022

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SECTION A (3 + 2 = 5 marks)
Answer any 3 questions out of the given 4 questions. Each question is of mark.
1 x 3 = 3
Q.1
Ans : They are confident
1
Q.2
Ans : Myth
1
Q.3
Ans : one such practice is : organic farming/ vermicomposting etc.
1
Q.4
Ans : Charanka - Gujarat Solar Park
1
Answer any 1 question out of the given 2 questions. Each question is of 2 marks.
2 x 1 = 2
Q.5
Ans : Any two functions of an entrepreneur are :
a. making decisions:
b. Managing the business
2
Q.6
Ans : Two easy to reduce inequalities are :
- be helpful to one another.
- be friendly with everyone
2
SECTION B (4 + 8 = 12 marks)
Answer any 04 questions out of the given 06 questions
1 x 4 = 4
Q.7
MODEM
1 mark for the correct answer
1
Q.8
Toggle key
1 mark for correct answer
1
Q.9
Ans: client server
1 mark for correct answer
1
Q.10
Ans: TINYINT, SMALL
Ī
NT, INTEGER, NUMERIC, BIGINT
mark for each integer datatype)
1
Q.11
Ans: One to Many Relationship or Many to One Relationship
1
Q.12
Ans: A report helps to display the data in a summarized manner. It is used to generate
the overall work outcome in a clear format. You can create reports in the database.
1
Answer any 04 questions out of the given 06 questions
2 x 4 = 8
Q.13
Ans. Four advantages are :
Data Sharing
Files Transfer
Hardware Sharing.
Internet Access Sharing
Usage of network based applications
½ marks for each correct advantage listed
2
Q.14
Ans: A wired setup uses physical cables to transfer data between different devices and
computer systems. Wireless network does not use wires for data or voice. Examples
Wired: Dial-up, DSL or Cable Internet Access etc
Wireless .3G or WiMAX or Wi-Fi
1 marks for correct difference
½ marks for each correct example
2
Q.15
Ans:
An Internet service provider (ISP) is an organization which provides you with access to
the Internet via a dial-up (using modem) or direct (hard wired) or wireless connection.
DSL, cable modem, dial-up, broadband wireless, WiMAX etc
1 marks for the correct definition and 1/2 each for correct connection type
2
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SECTION A (3 + 2 = 5 marks)

Answer any 3 questions out of the given 4 questions. Each question is of mark. 1 x 3 = 3 Q.1 Ans : They are confident (^) 1

Q.2 Ans : Myth 1

Q.3 Ans : one such practice is : organic farming/ vermicomposting etc. (^) 1 Q.4 Ans : Charanka - Gujarat Solar Park 1 Answer any 1 question out of the given 2 questions. Each question is of 2 marks. (^2) x 1 = 2 Q.5 Ans : Any two functions of an entrepreneur are : a. making decisions: b. Managing the business

Q.6 (^) Ans : Two easy to reduce inequalities are :

  • be helpful to one another.
  • be friendly with everyone

SECTION B (4 + 8 = 12 marks)

Answer any 04 questions out of the given 06 questions 1 x 4 = 4 Q.7 MODEM 1 mark for the correct answer^1 Q.8 Toggle key 1 mark for correct answer

Q.

Ans: client server 1 mark for correct answer^1 Q.10 Ans: TINYINT, SMALLĪNT, INTEGER, NUMERIC, BIGINT (½ mark for each integer datatype)

Q.11 Ans:^ One^ to^ Many^ Relationship^ or^ Many^ to^ One^ Relationship^ 1 Q.12 Ans: A report helps to display the data in a summarized manner. It is used to generate the overall work outcome in a clear format. You can create reports in the database.

Answer any 04 questions out of the given 06 questions 2 x 4 = 8 Q. Ans. Four advantages are : Data Sharing Files Transfer Hardware Sharing. Internet Access Sharing Usage of network based applications ½ marks for each correct advantage listed

Q.14 (^) Ans: A wired setup uses physical cables to transfer data between different devices and computer systems. Wireless network does not use wires for data or voice. Examples Wired: Dial-up, DSL or Cable Internet Access etc Wireless .3G or WiMAX or Wi-Fi 1 marks for correct difference ½ marks for each correct example

Q.15 Ans: An Internet service provider (ISP) is an organization which provides you with access to the Internet via a dial-up (using modem) or direct (hard wired) or wireless connection. DSL, cable modem, dial-up, broadband wireless, WiMAX etc 1 marks for the correct definition and 1/2 each for correct connection type

Q.16 (^) Ans: Entry Required – if set to yes then it will be necessary for the user to insert the value in the field which means that field cannot be left blank. Default Value – A default value can be set for a field if user don’t provide any value while entering the values in the table. (1 mark for each property)

Q.17 (^) Ans: Referential Integrity is used to maintain accuracy and consistency of data in a relationship. In Base, data can be linked between two or more tables with the help of primary key and foreign key constraints. Referential integrity helps to avoid:

  1. Records can be added to a related table, if there is no associated record available in the primary key table.
  2. The values can be modified in a primary if any dependent records are present in the associated table(s).
  3. Deleting records from a primary key table if there are any matching related records available in associated table(s) ( 1 mark for definition. ½ mark each for any two purposes.)

Q.

Ans: Columns Data type Flight No Text No.of Passengers Integer Airlines Text Arrival Time Date/Time Departure Time Date/Time Fares Float (½ mark for each column & data type)

SECTION C (2 x 4 = 8 marks)

(COMPETENCY BASED QUESTIONS)

Answer any 02 questions out of the given 03 questions Q.19 Ans a. Google Talk , Yahoo! Messenger , Skype , Windows Live Messenger , Rediff Bol, MS-Teams, ZOOM etc. ½ marks for each correct name b. Headphone, Speaker & Microphone & Web Camera ½ marks for each correct hardware listed