<p> VISHWA BHARATI PUBLIC SCHOOL WORKSHEET CLASS-XI (Chapter : 1,2,and 4) Attempt all the questions and follow the instructions given there- A. Fill up the blanks with correct options- 1. ______is input to get ______(Data/ instructions / information ) 2. ______are the softwares which control the overall working of a computer system and ______are used for specific purpose.( System/operating systems/Language processor/ application softwares) 3. We require the ______code of a programme written in HLL to be converted to ______code for its execution on a computer system and the softwares doing this fall under basic category of ______.( source/ lang. Processors/ machine/ system software) 4. We need ______to manage files, devices, processes, ______(System software/ operating system / devices, memory) 5. ______deal with discrete quantities whereas analog computers use ______data to work upon and thir combination forms ______(digital/hybrid/ discrete/ continous/ analog) B. Match the following (Write the correct option number in B against value in col A) A B Compiler 1.reads source code line by line and converts it to machine code to execute it Interpreter 2. reads source code in one go and converts it to machine code to execute itand lists all the syntax errors I Generation computers 3. Integrated Circuits V Generation computers 4. Use nothing III gen. Computers 5. Transistors 6. Integrated Circuits 7. 1985-onwards C. Arrange these in chronological order of their development Leibnitz Calculator, Holerith’s machine, Abacus, Napier’s Logs and bones, Jacquard’s loom, Babbage Difference Engine, , Mark-I ______D. Mark the generation to which the following computers belong and also write the names of devices used in them:</p><p> EDSAC ______</p><p> IBM 1401 ______</p><p> PIV ______</p><p> PARAM ______</p><p> IBM-360 series. ______</p><p>E. Tick the correct answers :</p><p>1. Special memory units used for processing data and to speed up the rate of data transfer. 1. RAM 2. ROM 2. Harddisk 4. Registers</p><p>2. The unit of CPU responsible for controlling the operations. 1. CU 2. ALU 3. Storage 4. All of these</p><p>3. BIT stand for . 1. Binary digit 2. Brain digit 3. Binding trip 4. none </p><p>4. ______means the number of bytes that can be stored on each track on a secondary storage devices. 1. Density 2. size 3. None of these 4. Measuring unit</p><p>5. Mark the secondary storage devices. 1. Harddisk 2. RAM 3. All of these 4. Registers</p><p>6. Which one is unsuited for monitors : 1. Computer monitors are equivalent to television screens 2. The higher resoloution with more pixels provides a more clearer image 3. Monitor output is a hard copy 4. None of these.</p><p>F. State true or false:</p><p>1. DVD is a secondary storage devices. 2. Customized application software are designed as per user requirement. 3. Application software is a program that manages and supports the computer resources and operation of a computer system. 4. Inkjet printers s impact printers.</p><p>F. Fill in the blanks : 1. The files that you delete are put in ______2. To select multiple items by pressing and holding down the ______key as you click each item you want.</p><p>3. CPI and BPI stand for ______& ______</p><p>4. ______manages CPU operations , I/O activities ,Storage and control various devices. 5. Alignment buttons are available on the ______toolbar. 6. Shortcut key combination to specify the character bold is ______7. ______types of software are use to design to perform specific personal , business ,or scientific , or scientific processing tasks. 8. ______is to use to communicate instructions to the computer. 9. ______is the name given to main computer equipment and its peripheral devices.</p><p>G. Explain the terms :</p><p> a. GUI b. TeraByte c. Volatile memory d. Impact Printers e. Language Processors f. Wordwrap g. Clipboard h. Indentation i. Multiprocessing system j. Distributed operating system k. Disk fragmentation</p><p>H. Write full form of :</p><p> a) EPROM b)OMR c) LCD d)CRT e)JPEG(f)MICR </p><p>I.(a) How will you print Printable characters ? (b) Differentiate between Notepad and wordpad? (c) Write any four functions of Word Processing software? (d) Name two categories of software that could be used to produce a publication such as brochure or newsletter. (e) What is the difference between complier and the interpreter. (f) How are digital analog and hybrid computer different from each other . (g) What is multitasking & multiprogramming ? (h) Write the difference between RAM and ROM (i) What is impact and non impact printers. Worksheet :Chapter : Data Representation)</p><p>Objective : To review the concepts of various representations of data </p><p>1 What is the full form of Bit ? 2 Byte is a collection of ______Bits 3. Nibble is a collection of ______Bits. 4. What is the base of Hexa Decimal number System? 5. What will be the total numbers of symbols used in the following number systems :  Number system with base 3  Number system with base 5  Number system with base 20 6. Convert following Octal numbers into Hexadecimal Numbers :  567  3812 7. 1. Binary equivalent of 462______2. Decimal equivalent of 11011101______3. Decimal Equivalent of 101.0110 ______8. Hexadecimal equivalent of the following numbers:  10111100001 ______</p><p> 10101111.011 ______9. Expand the following :</p><p> BCD ______</p><p> ISCII______</p><p> ASCII ______ UNICODE ______</p><p>10 Convert 0.752 10 to its binary equivalent ______11 Convert 368 to its binary equivalent. ______12 Convert 288 to Hexa Decimal Equivalent. ______13. Make a Binary addition of 57 and 50. ______14. Add the binary Numbers</p><p> 101011 and 101000</p><p> 1110.1101 and 110101.00101</p><p> 1111111.111 and 10000.001 15. Complete the following series:</p><p>1. (Hexadecimal )38E 38F ______</p><p>2. (Octal) 575 576 ______</p><p>3. (Octal) 177 178 ______</p><p>4. (Binary) 100 101 ______</p>