9th Class Computer Science Guess Paper 2018

9th Class Computer Science Guess Paper 2018

Note: (9th Class Computer Science Guess Paper 2017) All published material contains an informatory data which is only gathered for educational purpose. These guesses are prepared after detailed analysis of past five years exams. Our entire team and/or publishers are not responsible in case of variation in assumed results and outcomes. However the purposes of attempted efforts are to provide accurate and effective knowledge to the readers, in any case our entire team and/or publishers will not be responsible for the accuracy or misusage of all published material.

موسٹ امپورٹنٹ سوالات کے لیا سائٹ پیپر سے کچھ دن پھیلے بی چیک کریں: شکریہ

یہ پیپر اولڈ اور نیو کورس کا تجزیہ کر کے تیار کیا گیا ہے (٢٠١٠ سے ٢٠١۶ اولڈ پپیرس ). اپپنے سلیبس کے مطابق تیاری کریں شکریہ.

Multiple Choice Questions, Short Questions and Long Questions. All in One.

Questions Variations # 1

Define computer hardware and software. | Differentiate between hardware and software? | How is computer hardware different from computer software? | What is meant by system software? | Differentiate between system software and application software? | Write a note on System software. | Explain briefly the Service software and its types. | What is software? What are the types of software? | Why hardware is useless without software. | What is the use of OCR software? | Define Hardware Write names of three different hardware units.

Questions Variations # 2

What are output devices? Explain any two types of output devices. | Write down names of any four devices which are used as input and output devices. | Define input unit. | What are different kinds of input devices? | Elaborate the scanner and microphone as input devices.

Questions Variations # 3

Define computer. Briefly describe classification of computer. | Write name of the basic components of the computer. | What is Hybrid Computer? | Explain micro computer. | Define digital computer. | Define desktop computer. | Which is the most powerful computer? | For what purpose supercomputer is usually used? | What is My Computer Icon? | Explain the history and development of computer. | Define Computer Write note on Mainframe and minicomputer. | Define computers generation and their major functions. | State the importance of CPU in computer. | Describe the impact of computers and interne on society? | Describe the progress (Development) of computers during 1950 and 1960. | Describe the advancements in the computer during the 1950’s and 2015s. | Write comprehensive note on the basic organization of computer. | Write the purpose of Laptop Computer. | Write two purposes of Computer Simulations. | What is the use of computer simulations is education? | Write a note on first, second, third and forth generation of computer. | Use of computer in different fields. | What is the importance of computer in the field of banking? | What is the role of computer is distance learning?

Questions Variations # 4

What is meant by computer organization? | Describe the Data organization within a byte or in a word.

Questions Variations # 5

What is meant by computer storage? | How can we categorize secondary storage devices? | What is backing storage device? | Explain using a labeled diagram the concept of track and sector when describing magnetic disk storage.

Questions Variations # 6

What is Computer memory? | How does memory work? | What is Main memory? | Explain why second and primary memory is needed in a computer system? | Why secondary memory is needed in a computer system? | Discribe the uses of main memory. | What do you know about cache memory? | Write two advantages of secondary memory. | Why Secondary Memory is used in computer? | Describe in detail the purpose and working of the main memory | Explain Random Access memory. | Give examples of important secondary and primary memory. | Why RAM is a volatile memory? | How DRAM is different from SRAM? | Write the difference between RAM and ROM.

Questions Variations # 7

How integrated circuits are better than transistor? | Write down two advantages of transistor.

Questions Variations # 8

What are ports? Write a note on different types of ports. | Describe the use of ports. | Differentiate between Serial and Parallel Port.

Questions Variations # 9

What is ROM? Discuss its different types. | Write two different uses of CD-ROM. | Write a note on ROM. | What is PROM?Define EEPROM? | List out some differences between PROM and EPROM.

Questions Variations # 10

Differentiate between high and low level language. | Name any four high level languages. | What is meant by Language Translator? Write a note on different types of Language Translators. | Name the different computer languages. | Define Machine Language. | What is assembly language? | Describe a Computer Language. | What is programming language? | Write two advantages of low level languages.

Questions Variations # 11

What is printer? Write a note on its kinds. | What is difference betweet impact and non-impact printers? | What are impact printers? Explain the types of impact printers. | How does electro thermal printer work? | How does a laser Printer Works? | How does a dot matrix printer work?

Questions Variations # 12

Define Disk Drive Machine. | What is disk drive? | Write the use of disk drive. | How would you copy a file/folder from a Floppy disk to other drive?

Questions Variations # 13

What is a key-board? Name the different keys categories on the key-board? | Write the use of enter key of the keyboard. | Write the purpose of Del key on keyboard. | Name different areas of a keyboard and some key functions. | Name different types of keyboards. | What is basic difference between keyboard and type writer? | What is function of Alt key? | What is the purpose of Caps Lock Key? | What is the difference between Numeric and Alphanumeric Keys?

Questions Variations # 14

What is system unit? | Define control unit. | What do you mean by Logic Unit?

Questions Variations # 15

Define Boolean constants. | Define Boolean expression. | What is Boolean algebra? | Differentiate between Boolean Algebra and Algebra. | Define Boolean algebra and explain various logical operators used in it. | What are the disadvantages of using Boolean algebraic laws?

Questions Variations # 16

Write two characteristics of K-map. | What are advantages and disadvantages of K-map method? | Simplify Boolean function f (x, y) = x.y + x.y + x.y + x.y with k-map method.

Questions Variations # 17

What is meant by expansion method? | Calculate 38-29 using 8 bits 2’s complement method.

Questions Variations # 18

What is the function of TREE command? | What is use of TREE command? | Define command and explain major commands name. | What is command line interface? | Explain two external DOS commands. | Differentiate between MD and RD command. | Write name four external commands. | Write purpose of DIR command. | Which command is used to create a new directory? | What are command line operating systems? Further explain different DOS Commands | Define Copy Command with an example. | Define CD Command with an example.

Questions Variations # 19

What is monitor? Differentiate between monochrome and colour monitors? | What is the use of monitor? | Explain any two types of monitors. | Define monitor and tell basic types in detail. | What is CRT monitor?

Questions Variations # 20

What is number system? Write the names of two number systems. | What is octal number system? | Convert 185(10) into octal number system. | Explain hexadecimal number system. | Explain numeric clan and alphanumeric number system. | What meant by-decimal number system? | Differentiate between decimal number system and binary number system. | Describe briefly the conversion of different number systems. | Define hexadecimal number system?

Questions Variations # 21

What is windows explorer? How can we start windows explorer? | Write about Great Gaming Platform in Windows. | Explain three different features of windows. | Write a note on windows explorer. | How is DOS different from Windows? | Why do we use Windows Explorer? | What is role of Help in Windows? | How start button creates easiness in windows? | Difference between Windows Explorer and Internet Explorer. | What is a Windows? Describe different Windows Controls.

Questions Variations # 22

What is meant by folder? | Write steps to create a folder. | How would you rename a file or folder?

Questions Variations # 23

Define computer Give some examples of computer applications. | How are computers used in retailing applications? | Explain three main data types used in different computer applications.

Questions Variations # 24

Define program. | What is antivirus? Write two examples of antivirus program. | What are benefits of using antivirus programme? | Modern computer are based on stored program concept? Who introduces the concept? | Differentiate between source program and object program? | Write a note on computer virus and also explain how we can prevent our computers from it?

Questions Variations # 25

Differentiate between bit and byte. | Solve 45 – 63 by using 8 bits one’s complement. | Define the byte and byte address

Questions Variations # 26

What is meant by complement of any binary number? | Convert into binary, decimal and hexadecimal. | Change (35)10 into Binary Number. | Convert (27)10 into binary.

Questions Variations # 27

What is control panel? | Describe fonts option in Control Panel. | What is use of Font option in Control Panel?

Define the computer code. | which abbreviation is ASCII code? | Define object code. | What is ASCII code? | What is EBCDIC Codes? | What is bar code reader?

Questions Variations # 28

Define mouse event Write names of different mouse events. | Write a note on mouse. | Write different mouse actions. | What is difference between track ball and mouse? | What are the advantages of using trackball instead of mouse?

Questions Variations # 29

Write the steps to search files. | What is the use of executable file? | What are types of DOS files? | Define file extension. | What are batch files?

Questions Variations # 30

How were punched cards used? | What are switches and wild card? | What is wild cards? | What are Magnetic Stripe Cards?

Questions Variations # 31

State the purpose of Seek Time. | Define Access Time. | Explain the Real-time operating system (RTOS)

Questions Variations # 32

What is an interpreter? |What are Compilers and Interpreters?

Questions Variations # 33

Make truth table for OR operator. | What is truth table? Draw truth table of logical operation. | State the function of Truth Table.

Questions Variations # 34

Define the Data Rate. | How data rate affect the performance of hard disk?

Questions Variations # 35

Define Recycle Bin. | What is the use of recycle bin?

Questions Variations # 36

Define system bus. | Define address bus. | Define system bus and data bus. | What is system bus? Differentiate between data bus, address bus and control bus? | Define Bus Write note on different types of Buses

Questions Variations # 37

ASCII stands for? | Differentiate between ASCII and EBCDIC.

Questions Variations # 38

What is meant by voice recognition? | Describe various steps involved in speech recognition?

Questions Variations # 39

What is DOS?. | How does Dos organize data?

Questions Variations # 40

Define Operating System, What are different types of Operating System based upon user interface? | Write a note on Functions and jobs of an Operating System. | What is operating system? Describe its important functions.

Other Mix Questions:

What is Video Controller?

Define resolution.

Write down the use of microphone.

Why Laptop is popular?

What is meant by UPC?

How did microprocessor affect computer?

Explain the classification of computers according to purpose.

Define shortcut give example.

Describe motherboard.

Write a note on digital camera

Define Unicode

Define pocket computer

Define Nibble

Define Floppy Disk. | Write the size of floppy disk.

Define microcomputer.

Define electronic data processing.

Convert 1 MB into GB.

What is meant by Abacus?

LCD and CRT stands for what?

Theory of the Von Neumann?

What are mnemonics?

What are Robots?

What do UNIVAC and ENIAC stand for?

What do you know about Joystick?

What is AND Gate?

What is difference Engine?

What is meant by EDP?

What is meant by coding?

Define Graphical User Interface

What is a literal?

Define VGA?

Define scanner.

Define plug and play.

Define LISP.

Define is minterms?

Define Icon.

What is meant by identity element?

How would you open and make selections from a menu?

Explain the classification of computers according to type of data handled.

What is Distribution Law and Associative Law?

Write down the steps to open a recently used document.

What is the difference between digital and analog computer? Write in detail.

Define data. Explain the types of data. | How data is organized on magnetic disks? | What is information? | What is difference between data and information?

Difference between softcopy output and hardcopy output?

Describe in detail the purpose and working of hard disk.

State the purpose of Internet Explorer.

What is a CPU? Describe briefly its main functions.

What is a plotter? Explain different types of plotters.

Differentiate between 1’s complement and 2’s complement.

Define GUI.

What is DPI?

Describe two uses of joy stick.

Which is the type of Light Pen?
Differentiate between AND and OR operator.

What is De-Morgan’s Law?

What is Online Banking? Write the advantages of Online Banking.

Write the events of 71, use.

Describe the base or radix of a counting system.

State the role of Octal and Hexadecimal

How many conditions a logical operation can test? Write their names.

What are max terms? Explain with the help of table.

What is meant by CMI?

What do you know about COBOL?

Define multi-tasking.

What is task bar?

What is compiler?