Good News: Now View/Read Notes & Lectures anytime, anywhere at your Mobile.

Download 7th Class Computer Science Notes (Unit-1) for Islamabad Model Schools & Colleges

Download 7th Class Computer Science Notes (Unit-1) for Islamabad Model Schools & Colleges

Very Easy, Updated & Comprehensive Notes for all types of students i.e. Average / Extra Ordinary

Note: 
  • Please subscribe our SMS Alerts Service, Email Updates and Like our Facebook Page from right sidebar to get latest updates regarding our notes & other material/posts.
  • You can also install our Mobile App to view/read our notes anytime, anywhere on mobile.
  • Please inform us regarding any correction/mistake (if found) by Contacting Us.
  • Please SHARE this page from below, if you like these Notes to support us.

Download 7th Class Computer Science Notes (Unit-1) for Islamabad Model Schools & Colleges

DEFINITIONS AND SHORT QUESTIONS
Question: Define Motherboard
  • It is the main circuit board.
  • All the components of computer are connected with it.
Question: Define Processor
  • It is the brain of computer
  • It process the data and instructions
  • It is also called CPU.
  • Its main components are AU and LU.
Question: Define Fingerprint Reader
  • It is a device which captures a fingerprint and translates it into a digital code.
  • This code is compared with the already stored information in computer.
Question: Define Expansion Cards
  • Expansion card is small circuit board. It gives a computer the capability to control a storage device, input device or output device.
Question: Define Barcode
  • It is an input device.
  • It gathers information by reading bar codes.
  • Bar code is set of light and dark lines.
Question: Define System Unit. List its important units
  • It is a box where processing takes place.
  • It consists of Motherboard, Processor, Power supply, Storage devices etc.
  • It is found in two shapes. Desktop and Tower Shape.
Question: What is the role of Control Unit in a computer?
  • The control unit (CU) is the part of CPU.
  • It directs operation of the processor.
  • It tells the computer's memory, arithmetic/logic unit and input and output devices how to respond
Question: Differentiate between RAM and ROM
  • RAM is called Random Access Memory. It is temporary storage. It is connected at Mother Board.
  • ROM is Read Only Memory. It is permanent memory. It contains setup instructions of the computer.
Question: What is Expansion Slot. Name few important slots.
  • Expansion slots are long narrow sockets on the mother board. Different expansion cards can be plugged in these slots.
  • Some expansion slots are AGP, NIC, ISA, PCI etc.
Question: What type of information is provided through a barcode?
  • It is an input device.
  • It gathers information by reading barcodes.
  • UPC reflects the country of origin, manufacturer’s code, product’s name and check digits etc.
Question: List few advantages and disadvantages of Robots.
Advantages:
  • They never get tired.
  • They can work in situations where human cannot work.
  • They do not make errors.
Disadvantages / Limitations:
  • They are expensive.
  • They can only do specific job.
Question: How a Fingerprint Reader works?
  • It is a device which captures a fingerprint and translates it into a digital code.
  • This code is compared with the already stored information in computer.

LONG QUESTIONS

Question: Explain different parts of a processor in detail.
Processor is the brain of the computer. It has following parts:
Control Unit (CU):
  • The control unit (CU) is the part of CPU.
  • It directs operation of the processor.
  • It tells the computer's memory, arithmetic/logic unit and input and output devices how to respond
Arithmetic Logic Unit (ALU):
  • It performs all type of arithmetic operations like addition, subtraction, multiplication and division etc.
  • It can also perform logical operations like AND, OR, NOT etc.
  • It has high speed digital circuits to perform operations.
Question: What is the use of Expansion Card? Explain different types of expansion cards in detail.
Expansion slots are long narrow sockets on the mother board. Different expansion cards can be plugged in these slots. Some expansion cards are as under:
Video Card:
It is also called graphics card. It send digital signals to video output device.
Sound Card:
It plays voice such as music file.
Modem Card:
It allows computers to communicate over the internet.
Network Interface Card (NIC):
It is a device through which computer are connected in a local area network (LAN).
Question: What is a Robot? Explain different types of Robots.
Robots are automatic machines that reflect the behavior of living things like human beings. They performed different tasks as per directions. They have following types:
Moving Robots:
  • They can move from one place to another.
  • They are used for moving wheels, caterpillar tracks, legs usually more than two.
Stationary Robots:

  • They are fixed and cannot move.
  • Their pars and movements are like human beings.
  • They have waist, shoulder, elbow, wrist etc

COMMENTS

Name

10th Class Notes,88,10th Class Old Papers,2,1st Year Notes,11,5th Class Notes,6,6th Class Notes,61,6th Class Old Papers,2,7th Class Notes,55,7th Class Old Papers,2,8th Class Notes,66,8th Class Old Papers,2,9th Class Notes,88,9th Class Old Papers,2,Articles,1,Download Free E-Books on IT,1,Guess Papers,11,Home Tutors,4,Home Tutors in Islamabad & Rawalpindi,15,Home Tutors in Jhang,1,Home Tutors in Karachi,2,Home Tutors in Lahore,4,Home Tutors in Multan,1,Home Tutors in Rahim Yar Khan,1,Home Tutors in Wah Cantt & Taxila,3,Important Questions,11,Information Technology,1,Miscellaneous,10,News & Events,4,Notes & Handouts,377,Old Papers,11,Solved AIOU Assignments,1,Video Lectures,1,
ltr
item
Download Class Notes: Download 7th Class Computer Science Notes (Unit-1) for Islamabad Model Schools & Colleges
Download 7th Class Computer Science Notes (Unit-1) for Islamabad Model Schools & Colleges
Download 7th Class Computer Science Notes (Unit-1) for Islamabad Model Schools & Colleges
https://2.bp.blogspot.com/-mqieQGl-DDg/WKpM4c6x9aI/AAAAAAAADho/kExbNtfYqxIA2XryZtibkcLFDschKM5UgCLcB/s1600/7th_class_computer_science_notes_fbise_islamabad_model_schools_colleges_federal_directorate_of_education_by_shahzad_iftikhar.jpg
https://2.bp.blogspot.com/-mqieQGl-DDg/WKpM4c6x9aI/AAAAAAAADho/kExbNtfYqxIA2XryZtibkcLFDschKM5UgCLcB/s72-c/7th_class_computer_science_notes_fbise_islamabad_model_schools_colleges_federal_directorate_of_education_by_shahzad_iftikhar.jpg
Download Class Notes
http://www.downloadclassnotes.com/2016/10/unit-1-download-7th-class-vii-computer-science-notes-for-islamabad-model-schools-colleges.html
http://www.downloadclassnotes.com/
http://www.downloadclassnotes.com/
http://www.downloadclassnotes.com/2016/10/unit-1-download-7th-class-vii-computer-science-notes-for-islamabad-model-schools-colleges.html
true
6576910405746451012
UTF-8
Loaded All Posts Not found any posts VIEW ALL Readmore Reply Cancel reply Delete By Home PAGES POSTS View All RECOMMENDED FOR YOU LABEL ARCHIVE SEARCH ALL POSTS Not found any post match with your request Back Home Sunday Monday Tuesday Wednesday Thursday Friday Saturday Sun Mon Tue Wed Thu Fri Sat January February March April May June July August September October November December Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec just now 1 minute ago $$1$$ minutes ago 1 hour ago $$1$$ hours ago Yesterday $$1$$ days ago $$1$$ weeks ago more than 5 weeks ago Followers Follow THIS CONTENT IS PREMIUM Please share to unlock Copy All Code Select All Code All codes were copied to your clipboard Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy