ORACLE section 1 quiz answers

Entities are transform ed into Tables T ables during the Database Design process. True T rue or False?

1.

Mark for Review (! "oints

True T rue (#! False $orrect 2.

Data Modeling is the last step in the database development process. True or False?


True T rue False (#! $orrect 3.

Databases are used in most countries and b% most governments. &ife' as we know it' would change drasticall% if we no longer had access to databases. True or False?



Most of the well known nternet search engines use databases to store data. True or False?



$onsider %our school librar%. t will have a database with transaction details of the books that are borrowed b% students. s a detail of one student borrowing one book considered Data or nformation?


Data (#! nformation )oth *either 6.

+hich of the following are e,amples of data becoming informatio n-


. /tudent age 01 average age of all students in class ). )ank deposit amount 01 total account balance $. +inning time for a race 01 length of race D. "rice of a computer 01 total sales of all computers for a compan% E. ' )' and D (#! $orrect 7.

2ow do %ou turn 3data3 into 3information3?


)% testing it )% storing it on a server )% storing it in a database )% 4uer%ing it or accessing it (#! ncorrect. Refer to /ection  &esson 5. 8.

6sers could directl% interact with which of the following software to access essential business applications? ($hoose three!


($hoose all correct answers! 7perating /%stem software (#! 86 software (#! /erver software nternet )rowser software (#! ncorrect. Refer to /ection  &esson 9.

9.

 speciali:ed t%pe of software' which controls and manages the hardware in a computer s%stem.


2ardware 7perating /%stem (#! $lient /oftware $orrect 10.

/oftware cannot operate without 2ardware. True or False?


True (#! False

11. n

the grid computi ng model' resource s are pooled together for e;cienc %. True or False?


True (#! False $orrect 12.

+hich term describes the ph%sical components of a computer s%stem?


7perating /%stem 2ardware (#! /oftware $lient

$orrect 13. The

main sub

Data Modeling' /=&' and "&>/=& (#! Database performance tuning /%stems programming and computer architecture $omputer Repairs $orrect 14.

7nce %ou have learned how to write programs and build s%stems' %ou no longer need an% input or involvement from an% users as %ou are perfectl% capable of delivering the s%stems that businesses need and want.


True. 6sers never know what the% want an%wa%' so building s%stems is best left to the professionals. True. The onl% re4uirement for creating a perfect s%stem is a perfect programmer. True. 6sers dela% the deliver% of a s%stem b% changing their minds and adding new re4uirements. False. )usiness re4uirements can and will change. For instance new legal re4uirements ma% arise. (#! $orrect 15. The

demand for nformation Technolog% professionals in toda%s market is increasing. True or False?


True (#! False

ORACLE section 1 quiz answers

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