11th Class / 1sty Computer Science Important Short & Long Editable Questions
Answer the Following Long Questions.
- i) What is information technology? Describe it in detail.
- ii) What do you understand by “SDLC”? Define its steps properly.
iii) Describe the OSI Model and types of layers of OSI Model?
- iv) What is topology? Describe the types of topology?
- v) What is data communication ? Define the basic component of a communication network?
- vi) Briefly explain the various communication media ?
vii) Explain the architecture of computer system ?
viii) Describe the bus and its types ?
- ix) Define operating system and discuss their types ?
- x) Describe the features of a full-feature word processor ?
- xi) What do we mean by addressing schemes ? How many types addressing is used on the Internet ? Discuss briefly ?
Answer the following short questions.
- i) What is Information ?
- ii) Write some applications of information technology ?
- iii) Define computer ?
- iv) Differentiate between data and information ?
- v) How the world has become a global village ?
- vi) Differentiate between hypermedia and multimedia ?
- vii) Give an example of data and information ?
- viii) Identify the four basic functions of the computer ?
- ix) Give any two examples of Hardware Components ?
- x) List primary components of Computer system ?
- xi) What is the purpose of Central Processing Unit ( CPU ) ?
- xii) Describe relationship between Hardware and Software ?
- xiii) How is hardware different from software ?
- xiv) What is software ? Write the name of types of software .
- xv) What are major components of a computer ? What are their functions .
- xvi) List different categories of input devices ?
- xvii) Define System Software ?
- xviii) Give three examples of system software ?
- xix) Why does an application software need operating system ?
- xx) Define customized software ?
- xxi) Differentiate between bit and byte ?
- xxii) Convert 220 MB of memory into bytes ?
- xxiii) Convert 128 bits into bytes ?
- xxiv) What is System ? List different Components of a System ?
- xxv) Define SDLC. Write down its phases ?
- xxvi) What are the Data Gathering techniques ?
- xxvii) What is the use of Interviews ?
- xxviii) Define system design phase of SDLC ?
- xxix) Describe coding phase in SDLC ?
- xxx) Who is a Programmer ?
- xxxi) What is system testing in SDLC ?
- xxxii) What do you mean by implementation ?
- xxxiii) Why user training is important in SDLC ?
- xxxiv) Define telecommunication ?
- xxxv) Give two reasons for the importance of computer network ?
- xxxvi) Describe networking concept ?
- xxxvii) What is the difference between Server computer and terminal ?
- xxxviii) What do you know about work group computing ?
- xxxix) Why we use workgroup computing ?
- xl) Define Internet ?
- xli) What is E-mail ?
- xlii) What is uploading and downloading of data ?
- xliii) What is the function of Internet ?
- xliv) Define Extranet ?
- xlv) What is the difference between extranet and internet ?
- xlvi) What do you mean by WWW ?
- xlvii) What is DSL ?
- xlviii) Write essential components of a network system ?
- xlix) What is ARC net ?
- l) State CSMA/CD ?
- li) What do you mean by ISDN ?
- lii) What is network interface card ?
- liii) Write the name of three LAN protocols ?
- liv) State the purpose of Router ?
- lv) What is network protocol ?
- lvi) How does TCP/IP transmit data ?
- lvii) State the use of Repeater ?
- lviii) What is MAN ? Give an example ?
- lix) Distinguish between LAN and WAN ?
- lx) Describe De-jure Standard ?
- lxi) What is De-facto Standard ?
- lxii) How de jure standard differs from de facto standard ?
- lxiii) Define Network Topology ?
- lxiv) How tree topology is constructed ?
- lxv) Define Network Topologies ?
- lxvi) Why terminators are used in bus topology ?
- lxvii) Enlist different layers of OSI Model ?
- lxviii) State the purpose of data link layer ?
- lxix) Write two functions of Network Layer ?
- lxx) What is function of physical Layer ?
- lxxi) What is function of presentation layer in OSI Model ?
- lxxii) Write two functions of session layer ?
- lxxiii) Distinguish between Frame and Packet ?
- lxxiv) What is the Role of Sender in Data Communication ?
- lxxv) Differentiate between Sender and Receiver in data communication system ?
- lxxvi) Define Decoder ?
- lxxvii) Write main characteristics of analogue signal ?
- lxxviii) Define digital Signal ?
- lxxix) Give two examples of analog data ?
- lxxx) Distinguish / differentiate between Frequency and Amplitude of a Signal ?
- lxxxi) List out types of data ?
- lxxxii) What is parallel data transmission ?
- lxxxiii) Compare serial and parallel transmission ?
- lxxxiv) What is Start Signal ? List its different States ?
- lxxxv) Explain the term ” Baseband ” ?
- lxxxvi) Why Broadband technique sends data at large distance compared to baseband technique ?
- lxxxvii) What is Fiber Optic ?
- lxxxviii) Define Refraction ?
- lxxxix) Write two names of unbounded media ?
- xc) What is Communication Satellite ?
- xci) What is meant by Microwave data transmission ?
- xcii) Define Synchronous data transmission ?
- xciii) Define Bandwidth ?
- xciv) Define Broad Band ?
- xcv) How does FDM work ?
- xcvi) How is data transmitted in asynchronous transmission ?
- xcvii) Name three guided media ?
- xcviii) What is asynchronous transmission ?
- xcix) Compare Asynchronous and Synchronous data transmission ?
- c) Why is the use of computer technology so important ?
- ci) State the purpose of ATM ?
- cii) Define reprographics ?
- ciii) What is the use of computer aided design ?
- civ) How CAM works ?
- cv) What is the purpose of document management system ?
- cvi) Define desktop publishing ?
- cvii) How computers can be used in banks ?
- cviii) What is electronic shopping ?
- cix) Write any two benefits of video conferencing ?
- cx) In which situation we use simulation ?
- cxi) Why the use of computer technology is so important ?
- cxii) Write any four benefits of computer aided manufacturing ?
- cxiii) List any two computerized systems used in office automation ?
- cxiv) What is stored program computer ?
- cxv) What is motherboard ?
- cxvi) Write is difference between primary memory and cache memory ?
- cxvii) Write down the function of ALU ?
- cxviii) Why RAM is used in computer ?
- cxix) What is DRAM ?
- cxx) Why does DRAM use more power ?
- cxxi) Why is ROM called Non-volatile ?
- cxxii) Why does SRAM use less power than DRAM ?
- cxxiii) Describe Arithmetic and Logical instruction ?
- cxxiv) Define the role of main memory in computer system ?
- cxxv) Define Cache memory ?
- cxxvi) Why is RAM called volatile ?
- cxxvii) Differentiate between ROM and RAM ?
- cxxviii) Differentiate between SRAM and DRAM ?
- cxxix) Differentiate between PROM and EPROM ?
- cxxx) Why EPROM is used ?
- cxxxi) Define computer bus ?
- cxxxii) Define Bus interconnection ?
- cxxxiii) Define system bus ?
- cxxxiv) What is expansion bus ?
- cxxxv) Why I/O instructions are used ?
- cxxxvi) Write two advantages of interrupts ?
- cxxxvii) Define stack ?
- cxxxviii) What is meant by Address or Segment registers ?
- cxxxix) What is code segment Register ?
- cxl) State the purpose of data segment register ?
- cxli) What is meant by Memory Buffer Register ?
- cxlii) List name of four different address register ?
- cxliii) List some general purpose register ?
- cxliv) What is accumulator Register ?
- cxlv) Differentiate between CX and DX register ?
- cxlvi) Define instruction register ?
- cxlvii) What are interrupt ?
- cxlviii) Define Register ?
- cxlix) What is stack pointer register ?
- cl) What are CPU Registers ?
- cli) Give two parts of instruction format ?
- clii) What is zero – address instruction format ?
- cliii) What is one address instruction format ?
- cliv) What is the purpose of execute instruction ?
- clv) Describe Fetch Decode Execute cycle of CPU ?
- clvi) Describe Data Transfer Instructions ?
- clvii) What is Instruction set ?
- clviii) What is instruction format ?
- clix) How does an instruction differ from operation ?
- clx) What is the purpose of Fetch instruction ?
- clxi) Describe computer program ?
- clxii) Define operating system ?
- clxiii) Why we use operating system ?
- clxiv) Give four examples of operating system ?
- clxv) Describe the role of memory management ?
- clxvi) List any four function of operating system ?
- clxvii) What is language processor ?
- clxviii) Define source code ?
- clxix) Define object code ?
- clxx) Differentiate between source code and object code ?
- clxxi) Define assembler ?
- clxxii) Describe high level language ?
- clxxiii) Briefly describe low level language ?
- clxxiv) Distinguish between low level and high level language ?
- clxxv) Define the role of interpreter ?
- clxxvi) Why does machine language program execute faster ?
- clxxvii) Define port ?
- clxxviii) What is the use of parallel port ?
- clxxix) What is the use of biometrics for data security ?
- clxxx) What is Biometrics ?
- clxxxi) Define security of data ?
- clxxxii) Explain virus activation in computer ?
- clxxxiii) How does virus spread through networks ?
- clxxxiv) Define Chernobal Virus ?
- clxxxv) Name commonly used antivirus software ?
- clxxxvi) What is meant by Software Piracy ?
- clxxxvii) Define Pirated Software ?
- clxxxviii) How does a boot Sector Virus Work ?
- clxxxix) What is Logic Bomb ?
- cxc) What is Redlof ?
- cxci) Differentiate between virus and antivirus ?
- cxcii) Enlist any four different types of viruses ?
- cxciii) Give three causes of virus ?
- cxciv) How can virus damage computer ?
- cxcv) What is Antivirus ?
- cxcvi) Write down names of antivirus programs ?
- cxcvii) Define the term Backup ?
- cxcviii) Why is backup important ?
- cxcix) State the purpose of password ?
- cc) What is privacy issue ?
- cci) What is meant by data protection ?
- ccii) Give three suggestions to protest your computer from virus ?
- cciii) Write any two security violations ?
- cciv) What is meant by encryption ?
- ccv) Why does a computer need an operating system ?
- ccvi) Write two uses of operating system ?
- ccvii) Give some example of GUI operating system ?
- ccviii) List any two functions of operating system , define user interface system ?
- ccix) Distinguish between single – user and multi user operating system ?
- ccx) Describe GUI operating system ?
- ccxi) Write any two features of Window 2000 operating system ?
- ccxii) What is meant by Control Panel ?
- ccxiii) Define Desktop ?
- ccxiv) Define event ?
- ccxv) List the common examples of Mouse events ?
- ccxvi) What is multi processing ?
- ccxvii) What is the Purpose of recycle Bin ?
- ccxviii) Define internet explorer ?
- ccxix) What is the role of Window Explorer ?
- ccxx) What is file management ?
- ccxxi) How many primary and extended partitions can be created on basic disk ?
- ccxxii) State the purpose of disk management utility ?
- ccxxiii) What is text editor ?
- ccxxiv) List any four features of simple word processor or text editor ?
- ccxxv) Distinguish between Cut and Copy ?
- ccxxvi) Distinguish between insert mode and over type mode ?
- ccxxvii) List some advantages of Word Processor ?
- ccxxviii) What is text editor ?
- ccxxix) Write shortcut key to cut and copy ?
- ccxxx) Describe the typing modes in word processor ?
- ccxxxi) Define macros ?
- ccxxxii) List any four features of full featured word processor ?
- ccxxxiii) Define Header and Footer ?
- ccxxxiv) What is Spread Sheet ?
- ccxxxv) List two benefits of spread sheet ?
- ccxxxvi) Write the use of spreadsheet program ?
- ccxxxvii) What is the most powerful feature of worksheet and why ?
- ccxxxviii) Define Gridlines in MS – Excel ?
- ccxxxix) What is Cell ?
- ccxl) Can you enter data in passive cell ?
- ccxli) What is Relative Cell Reference ?
- ccxlii) What is meant by cell reference ?
- ccxliii) How can you merge cells ?
- ccxliv) What is cell address ?
- ccxlv) Name two states of a Cell in Worksheet ?
- ccxlvi) Write two methods of entering data in a cell ?
- ccxlvii) Write formula for calculating average of three numbers ?
- ccxlviii) What is Formula ?
- ccxlix) How formula is used in MS – Excel ? Give an Example .
- ccl) State the advantages of Named Ranges ?
- ccli) Define a function in MS – Excel ?
- cclii) Write functions that totals cell B3 through B10 ?
- ccliii) Write Function that does total of cell from A1 to A5 ?
- ccliv) Name two types of charts used in MS – Excel ?
- cclv) How would you describe internet ?
- cclvi) Define DNS Addressing ?
- cclvii) What is use of Web Server ?
- cclviii) How web pages are created ?
- cclix) Define Search Engine ?
- cclx) List Five searches Engines ?
- cclxi) Difference between URL and Websites ?
- cclxii) Briefly describe web surfing ?
- cclxiii) What is a website ?
- cclxiv) What is web publishing ?
- cclxv) Explain URL ?
- cclxvi) Write two facilities provided by internet ?
- cclxvii) What is Email ?
- cclxviii) Write two limitations of an E – mail ?
- cclxix) Define Email attachment ?
- cclxx) What is the difference between hardware and software?
- cclxxi) Define the term” Operating system “in your own words.
- cclxxii) What is the difference between LAN and WAN?
- cclxxiii) What method does an Ethernet network use to control access to the network?
- cclxxiv) Define the gateway and router ?
- cclxxv) Differentiate between asynchronous and asynchronous ?
- cclxxvi) Differentiate between guided media and unguided media ?
- cclxxvii) What is CPU ? Describe the briefly .
- cclxxviii) Differentiate between compiler interpreter ?
- cclxxix) Define the general-purpose the registers ?
- cclxxx) Differentiate between PROM and EPROM ?
- cclxxxi) Differentiate between the Address Bus and Control Bus ?
- cclxxxii) Differentiate between the Serial and Parallel Ports ?
- cclxxxiii) Differentiate between The CU and ALU ?
- cclxxxiv) How to transfer data from CPU memory explains in steps ?
- cclxxxv) What is computer virus ?
- cclxxxvi) Define the anti-virus software ?
- cclxxxvii) How virus may damage computer system ?
- cclxxxviii) Define the types of viruses ?
- cclxxxix) What is a password ?
- ccxc) Give a comparison between Command Line operating system and Graphical User interface ?
- ccxci) Define Partitioning .Briefly describe primary and extended partitioning ?
- ccxcii) Differentiate the Multitasking and Multiprocessing ?
- ccxciii) Differentiate the File Management and disk Management ?
- ccxciv) What is the text editor ? Describe its basic feature ?
- ccxcv) Define the spreadsheet and discuss its basic feature ?
- ccxcvi) Differentiate the following Workbook and Worksheet ?
- ccxcvii) Differentiate the following the Active Cell and Passive Cell ?
- ccxcviii) Differentiate the following Word Processor and Spreadsheet ?
- ccxcix) Differentiate the following Function and Formula ?
- ccc) What are the advantages of using spreadsheet program ?