Computer Science Guess Paper 2022

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Types of computer, 3,4 Generation, Buses, Port, Printers, input Devices, Plotter, Note on Number System, Computer Code, k Map, Truth Table, Conversions, 1’s and 2’s Complement, page 94 to 97 and Demorgen laws.

Complete 9th Notes

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• Define analog computer.
• Convert 1 MB into GB.
• Define application software.
• Define electronic data processing.
• Define desktop computer.
• Define Floppy Disk.
• Define information.
• Define Hardware. Write names of three different hardware units.
• Define low-level language.
• Define mouse event. Write names of different mouse events.
• Define microcomputer.
• Define Output unit.
• Define Secondary Memory.
• Define pocket computer.
• Define secondary memory.
• Define the computer code.
• Define System Unit.
• Define Unicode.
• Describe a programming language.
• Describe a Computer Language.
• Describe Mother Board.
• Describe the use of data bus.
• Describe motherboard.
• Differentiate between Binary and Decimal Number System.
• Differentiate between High Level and Low Level Languages.
• Differentiate between bit and byte.
• For what purpose supercomputer is usually used?
• How are computers used in retailing applications?
• Give examples of important secondary memory.
• How did microprocessor affect computer?
• How does a laser Printer Works?
• How does a dot matrix printer work?
• How does the abacus work?
• How were punched cards used?
• How integrated circuits are better than transistor?
• LCD and CRT stands for what?
• State the purpose of Seek Time.
• Name different types of system software
• State the purpose of Trackball.
• What are mouse events? Name different types of mouse events?
• What are mnemonics?
• What are Numeric Keys?
• What do UNIVAC and ENIAC stand for?
• What are the advantages of using trackball instead of mouse?
• What do you know about ENIAC?
• What do you mean by computer hardware?
• What do you know about Joystick?
• What do you mean by Logic Unit?
• What do you mean by UNIVAC?
• What do you mean by system software?
• What id Difference Engine?
• What is CRT Monitor?
• What is basic difference between keyboard and type writer?
• What is decimal number system?
• What is function of Alt key?
• What is difference Engine?
• What is idea of modern stored program?
• What is number system? Write the names of two number systems.
• What is meant by computer storage?
• What is PROM?
• What is system unit?
• What is PROM? For what purpose it is used?
• What is the difference between Data and Information?
• What is the difference between primary and secondary memory?
• What is the difference between Numeric and Alphanumeric Keys?
• What is the importance of Computer in Banking?
• What is the purpose of “Caps Lock Key”?
• What is the importance of computer in the field of banking?
• What is the role of computer is distance learning?
• What is the use of input unit?
• What is the use of Data Bus?
• What is the use of Microphone?
• What is the use of OCR software?
• What is the use of monitor?
• What is the use of output unit?
• Which is the most powerful computer?
• What is Video Controller?
• Which technology was used in second generation of computers?
• Why CPU is important in a computer System?
• Who was John Napier?
• Why hardware is useless without software.
• Why RAM is a volatile memory?
• Why Laptop is popular?
• Write basic difference between SRAM and DRAM?
• Write down the use of microphone.
• Write down names of any four devices which are used as input and output devices.
• Write down two advantages of transistor.
• Write the use of USB port.
• Write down two negative impacts of computer and internet on society.
• Write two different uses of CD-ROM.
• Write two advantages of low level languages

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