CS101 Past Papers

CS101 PAST Papers VUAnswer

Computer science (Virtual University of Pakistan)

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CS101 PAST Papers VUAnswer

Computer science (Virtual University of Pakistan)

Scan to open on Studocu

Studocu is not sponsored or endorsed by any college or university

QUIZ NO 1

1. Time required to move the read/write heads from one track to another.__ seek time
2. RAM stands for:_______________________________ _Random access memory
3. If we are interested to see the map of some location, we can use map operator in the following way:___ ____________________________________Map Locations
4. If right circular shift is performed on a. eight times. same bit pattem is obtained as it is started._______ __________________________________Byte size bit pattern
5. According to famous Job market website most of the jobs are available in____ ___________________________________________________Computer Science
6. We can use Boolean operators specially to find relevant pages._______“And " Or
7. Average amount of time required for the desired data to rotate around to the read/write head once the head has been positioned over the desired track._______ _____________________________________________________Rotational delay
8. Approximately haw many entries a typical dictionary in a word processor can contain?________________________________________________25,000 entries
9. The consists of the instructions that tell the control unit to request an activity within the arithmetic/logic unit_______ _____________________Arithmetic/logic group

10. CPU required at least to fetch the instruction from memory._ _Two nanosecond 11. In binary Addition 1+1is =__________________________________________10 12. Hexadecimal notation uses … symbol to represent a pattern of four bits.___ ____________________________________________________________SINGLE 13. One term could mean more than one thing for example word: “Jaquar’ is used in two meanings such as____ _______________________________Animal and car 14. ENIAC stands for._____ _____Electronic numerical integrator and calculator 15. HDTV is the abbreviation of ____________________High definition television 16. Each sound have a_______ _____________________________________Wave 17. which type of registers is used in program execution?__ _____Special purpose 18. RGB stands for__________ ___________________________Red, green . blue 19. In…. digits on right side represent the fractional part._________ _______Binary 20. If you search on Google that “how can | hack?", then it would be so for your security.___ __________________________________________________Difficult 21. (CPU and RAM are connected with to communicate with each other.___ __BUS 22. ‘The hexadecimal notation far: 111010000101010100010111______Is E85517 23. how Instruction can be fetched from the main memory to CPU?__By using Bus 24. There are___ Basic Boolean operations are.____________________________4 25. We need memory to store data permanently.________ __________Non-Volatile 26. In CD data is stored on 2 single-track ……from inside outside.____ _____Spiral 27. The search results are generally presented in a line of results often referred to as____ ___________________________________Search Engine Results Pages

28. Generally how many steps a machine cycle have? __________________Three
29. " You can search a phrase when even you do not know word would be there at a particular__ ________________________________________________Document

30.

MID TERM AND GRAND QUIZ

1. compact disk is consist of material:

________________________________ Reflective

2. Digital versatile disk capacity is ......MB__________ ______________600 to 700 3. SSDs stand for........ ___________________________________solid state disk 4. ASCII codes have ....... combinations ______________________________27 5. Unicode’s have a unique pattern of ......bits. _________________________21 6. MIDI stands for......... _______________ _musical instrument digital interface 7. Integer representation in 2's complement used normally .......bits_____ ______32 8. When data being compressed consist of long sequence of same value, the compression technique is called......_____________________ Run length encoding 9. SDHC (high capacity) can provide. .......GBs__________________________ 32 10. Mostly computers have additional storage devices called.......____ Mass storage 11. Most computers have additional memory device called mass storage is____ _ ________________________________________________ _ DVD,s and flash drive 12. When you want to search Google or search a query on a particular social media, you can add a symbol? _______________________________________________" " 13. Fact sheet of ENIAC having weight ______________________________30 tons 14. Example of search engine is ----------------- _________Google, Yahoo and MSN 15. Computer hardware is the collection of .. of computer system ___Physical parts 16. A machine especially one programmer by a computer are called _______Robots 17. Computer science applications are………… ____________________________7 18. Data base learn about will be implemented using ---------- tool like Microsoft access____ _____________________________________________________DBMS 19. One of the earlier computer device was the -----------------____________Abacus 20. 1 kilo byte is equal to ----------------------- ________________________1024 byte 21. 1 tear byte is equal to ----------- _______________________________1024 GB 22. In one bit we can represent two pattern -------- ______________________0 or 1 23. The bit receiver is known as the machine ___________________Main memory 24. RAM access for ---------------- ___________________Random access memory 25. The rate at which can be transferred to or from the disk ________Transfer rate 26. BDs stand for ----------------------- ___________________________Blue ray disk 27. CAD stand for ------------- ________________________Computer added design 28. Loosy techniques can often provide than -------- compression than lossless _________________________________________________________________More 29. A variation of dictionary encoding is ----- Adaptive ____dictionary encoding 30. -------- is storage organization in which are ordered in FIFO fashion _____Queue 31. Techniques that allow the steps in the machine cycle to overlap ____Pipelining 32. MP3 do not require transfer rate more than.... _____________________64 Kbps 33. ___successfully relayed on communication paths having 40 Mbps Transfer rate.__________________________ _________________________________MPEG 34. CPU and main memory connected via........__________________________Bus 35. MP3 is short for..... _____________________________________MPEG layer 3 36. The best known system for compressing audio is...... __________________MP3 37. The idea of storing a computer's programme in its main memory is called....... Stored program ___________________________________________concept 38. CPU is designed to recognise institutions encoded as ___________Bit patterns 39. Collection of instructions along with the encoding system is called ____ _____ _____________________________________________________Machine language 40. RISC stands for ____________________Reduced instructions set computer 41. A request to transfer the contents of a register to a memory cell is called........ _______________________________________________STORE instructions