Section 1 Quiz Answer

Test: Section 1 Quiz

Review your answers, feedback, and question scores below. An asterisk (*) indicates a correct answer. Section 1 Quiz

(Answer all questions in this section) 1. Data Modeling is the last ste in the database develo!ent rocess. "rue or

#alse$

Mark for Review (%) &oints

"rue " rue #alse (*)

'orrect 2. hich of the following reresents the correct sequence of stes in the

Database Develo!ent &rocess$


Design, uild, Analye Analye, Design, uild (*) Analye, uild, Design uild, Analye, Design

'orrect 3. +ntities are transfor!ed into "ables during the Database Design rocess. "rue

or #alse$


"rue " rue (*) #alse

'orrect 4. Most of the well known nternet search engines use databases to store data.

"rue " rue or #alse$ #alse$


"rue " rue (*) #alse

'orrect 5. n the grid co!uting !odel, resources are ooled together for e-ciency.

Mark for

"rue or #alse$

Review (%) &oints "rue (*) #alse

ncorrect. Refer to ection % /esson 0. 6. oftware

Mark for

cannot oerate without 1ardwar e. "rue or #alse$

Review (%) &oints

"rue (*) #alse

'orrect 7. &ersonal co!uters (&'s) have been in e2istence since %345. "rue or

Mark for

#alse$

Review (%) &oints "rue #alse (*)

'orrect 8. A secialied tye of software, which controls and !anages the

hardware in a co!uter syste!.


1ardware oftware 'lient 6erating yste! (*)

'orrect 9. hich ter! describes the hysical co!onents of a co!uter syste!$

Mark for

Review (%) &oints 1ardware (*) 6erating yste! oftware 'lient

'orrect 10. hat is the di7erence between 8infor!ation8 and 8data8$

Mark for Review (%) &oints Data turns into useful infor!ation. t is stored in a database and accessed by syste!s and users. (*) Data is held and understood only by users. nfor!ation is held and understood only by users. nfor!ation and data have no di7erences 9 they are two words for the sa!e thing. 'orrect 11. 1ow do you

Mark for

turn 8data8 into 8infor!ation 8$

Review (%) &oints

y storing it in a database y storing it on a server y testing it y querying it or accessing it (*)

ncorrect. Refer to ection % /esson :. 12. 'onsider your school library. t will have a database with

transaction details of the books that are borrowed by students. s the total nu!ber of books out on loan in one given !onth considered Data or nfor!ation$ Data nfor!ation (*) oth ;either


ncorrect. Refer to ection % /esson :. 13. "he !ain sub
Mark for Review (%) &oints Database erfor!ance tuning 'o!uter Reairs yste!s rogra!!ing and co!uter architecture Data Modeling, >/, and &/?>/ (*)

ncorrect. Refer to ection % /esson %. 14. "he !arket for " rofessionals is still increasing and will continue

to do so in the future as the world gets ever !ore deendent on co!uter syste!s. "rue or #alse$


"rue (*) #alse

'orrect 15. 6nce you have learned how to write rogra!s and build syste!s,

you no longer need any inut or involve!ent fro! any users as you are erfectly caable of delivering the syste!s that businesses need and want.


#alse. usiness require!ents can and will change. #or instance new legal require!ents !ay arise. (*) "rue. "he only require!ent for creating a erfect syste! is a erfect rogra!!er. "rue. @sers never know what they want anyway, so building syste!s is best left to the rofessionals. "rue. @sers delay the delivery of a syste! by changing their !inds and adding new require!ents. ncorrect. Refer to ection % /esson %.

Section 1 Quiz

(Answer all questions in this section) 1. hich ter! describes the hysical co!onents of a co!uter syste!$


1ardware (*) 6erating yste! 'lient oftware

'orrect 2. usinesses involved in any of the following tyically use databases to handle

their data= #inance, /ogistics, 'o!!erce, &rocure!ent, and Distribution$ "rue or #alse$


"rue (*) #alse

'orrect 3. oftware cannot oerate without 1ardware. "rue or #alse$

Mark for Review (%) &oints "rue (*) #alse

'orrect 4. 'hanges in co!uting have a7ected !any of our day9to9day activities. Are

all of the following activities e2a!les of this change$ es or ;o$ n the ast you used to use the hone syste! to call directory assistance to get a hone nu!ber. "oday you can use your &' to look u a hone nu!ber online. n the ast you used to have to go to the shoe store to buy shoes. "oday you can use your &' to order shoes online. n the ast you had to use your &' to send a erson an e!ail. "oday you can use your hone to send a te2t !essage. es (*) ;o

'orrect


5. &ersonal co!uters (&'s) have been in e2istence since %345. "rue or #alse$

Mark for Review (%) &oints "rue #alse (*)

'orrect 6. 6nce you

have learned how to write rogra!s and build syste!s, you no longer need any inut or involve!e nt fro! any users as you are erfectly caable of delivering the syste!s that businesse s need and want.


"rue. @sers never know what they want anyway, so building syste!s is best left to the rofessionals. "rue. @sers delay the delivery of a syste! by changing their !inds and adding new require!ents. #alse. usiness require!ents can and will change. #or instance new legal require!ents !ay arise. (*) "rue. "he only require!ent for creating a erfect syste! is a erfect rogra!!er. 'orrect 7. "he !ain sub
Mark for Review (%) &oints yste!s rogra!!ing and co!uter architecture Database erfor!ance tuning

Data Modeling, >/, and &/?>/ (*) 'o!uter Reairs

'orrect 8. "he de!and for nfor!ation "echnology rofessionals in todayBs

!arket is increasing. "rue or #alse$


"rue (*) #alse

'orrect 9. hat is the di7erence between 8infor!ation8 and 8data8$

Mark for Review (%) &oints Data turns into useful infor!ation. t is stored in a database and accessed by syste!s and users. (*) nfor!ation is held and understood only by users. Data is held and understood only by users. nfor!ation and data have no di7erences 9 they are two words for the sa!e thing. 'orrect 10. 1ow do you turn 8data8 into 8infor!ation8$

Mark for Review (%) &oints y storing it in a database y testing it y querying it or accessing it (*) y storing it on a server

'orrect 11. nfor!atio

n which was gained fro! data is the sa!e as= ('hoose


"wo) ('hoose all correct answers) Cnowledge (*) ntelligence (*) "here is no di7erence between data and infor!ation. Raw Materials

'orrect 12. +ntities are transfor!ed into "ables during the Database Design

Mark for

rocess. "rue or #alse$

Review (%) &oints "rue (*) #alse

'orrect 13. 6racle was one of the rst relational database syste!s available

co!!ercially. "rue or #alse$


"rue (*) #alse

ncorrect. Refer to ection % /esson E. 14. Data Modeling is the last ste in the database develo!ent rocess.

Mark for

"rue or #alse$

Review (%) &oints "rue #alse (*)

'orrect 15. Most of the well known nternet search engines use databases to

store data. "rue or #alse$


"rue (*) #alse

'orrect

Section 1 Quiz Answer

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