11th Class Computer Science Guess Paper

• Important Multiple Choice Questions of Computer Science class 11 from previous 20 years past papers of all Punjab Boards.
• Important Short Questions of Computer Science class 11 from previous 20 years past papers of all Punjab Boards.
• Important Long Questions of Computer Science class 11 from previous 20 years past papers of all Punjab Boards.
• Define arithmetic unit and logic unit of CPU.
• Define the term information technology (IT).
• Differentiate between data and information.
• Write the name of different types of buses.
• Compare system software with application software.
• Define encoder and decoder.
• Why data protection is important?
• What is serial data transmission?
• Define software privacy.
• What is parallel data transmission?
• Define command line operating system.
• Define synchronous data transmission.
• Give some example of GUI operating system.
• What is start signal? Write its different states.
• What is meant by primary partition?
• Describe electronic banking.
• What is file management?
• Define the term video conferencing.
• What is word processor?
• What is electronic shopping?
• List any two uses of word processor.
• What is a robot?
• What is spreadsheet?
• Differentiate between CAD and CAM.
• List tow benefits of spreadsheet.
• What is computer simulation?
• What is meant by cell reference?
• Define monitoring system in hospital.
• How formula is used in Excel?
• What do you mean by CBT? 
• What is Communication Media in computer? Explain Guided Media in detail.
• What are pointing devices? Explain any three pointing devices.
• What are mark and character recognition devices? Describe any three in detail.
• What is network standard? Discuss different types of network standards?
• What are impact printers? Explain the types of impact printers. 
• What are non-impact printers? Explain the types of non-impact printers.
• Define virus? Discuss different types of computer viruses.
• Define anti-virus? Give examples. Write some benefits of using anti-virus?
• What is Instruction format? Explain various Instruction Code Formats. 
• What is Instruction Set? Explain different types of operations performed by the computer.
• What are CPU registers? Briefly describe special-purpose and general-purpose registers.
• Define light pen: The light pen is handheld pointing input device. It is a light sensitive stylus, or pen like device. It is connected by a wire to the computer. The pen sends information to the computer when user touches the pen on specific areas of a specially designed screen.
• What is stylus: Stylus is a ballpoint-like electronic pen. It is used to create sketches and images on a specially designed graphics screen or digitizer. Styles are used in graphical applications such as Computer Aided Design (CAD).
• What are source-data entry devices: The devices that are used for direct data entry to the computer system are called direct data entry devices. These devices are also known as direct input devices. The commonly used source data entry devices are barcode reader, MICR, fax machine etc.
• What are Magnetic Strip Cards: Magnetic Strip Card has a magnetically encoded data on its back. The Magnetic Strips are used in many plastic cards such as personal identity cards. The Magnetic Strip can store the personal details of the card owner. It can be used to access secure information such as bank account details etc.
• What are Smart Cards: Smart Card is similar to credit card or ATM card. It contains thin microprocessor and memory chip that is embedded in the card. The card is inserted into a specialized card reader. Mobile SIM card and ATM card are examples of smart cards
• What is bar Code: Bar code is a unique identification code. It is in the form of light and dark vertical lines or bars with spaces between them of different widths. Bar code is printed on most of the manufactured products. The most popular and commonly used bar code is UPC (Universal Product Code).