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Data, information, databases, database management systems, repositories, metadata, constraints, user interfaces, database applications, file processing systems, and multi-tier databases are key terms defined in the context of database design and management. A database stores and organizes related data, a database management system includes data definitions and constraints, and metadata provides context and summaries for understanding data.
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c- information, a- data placed in context or summarized, b- centralized storehouse for all data definitions, d- organized collection of related data, e- includes data definitions and constraints, i- database management system, j- constraint, k- database application, l- distributed data stores that can be read from a single source, f- text and graphical displays that user interact with, h- supports 25-100 users and the user interface is accessible on the individual computer users, g- file processing systemMcq for final
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Name:_________________________
Exam Directions:
The exam is open book and notes are allowed
You will have 2 days to complete the exam
Select the best answer for each question
Place your answers on your answer sheet
The completed answer sheet should be posted in the Assignment Folder by the assigned date and time.
Part 1 - Multiple Choice (25 points total)
Identify the choice that best completes the statement or answers the question.
____ 1. Ultra-mobile PCs are also called ____.
a. mini computers c. range computers
b. handheld computers d. frame computers
____ 2. A ____ is a collection of hardware and other devices that are connected together so that users can share
hardware, software, and data, as well as electronically communicate with each other.
a. computer bank c. data bank
b. database d. computer network
____ 3. Similar to the way an IP address or domain name uniquely identifies a computer on the Internet, a ____
uniquely identifies a Web page.
a. universal resource identifier (URI) c. uniform resource locator (URL)
b. Web ID (WID) d. Web resource identifier (WRI)
____ 4. Each place value in a binary number represents ____ raised to the appropriate power.
a. 0 c. 2
b. 1 d. 10
____ 5. A ____ is an electronic path over which data can travel.
a. bus c. word
b. lane d. cache memory
____ 6. A USB ____ is a device that plugs into your PCs USB port to convert one port into several USB ports.
a. hub c. bus
b. module d. connector
____ 7. The elements shown in the accompanying figure are ____, which are used to organize related documents.
a. files c. folders
b. drives d. clipboards
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is investigating storage options because it is critical for him to ensure that his data is safe in the event of a
computer failure.
____ 8. A friend of Dan suggested to him that he can use an external hard drive for his data storage and backup
needs. To use an external hard drive, Dan should make sure that his computer has an available USB or
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b. Zip d. FireWire
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b. Utility programs d. Background programs
____ 10. A computers ____ is a collection of programs that manage and coordinate the activities taking place
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Place your answers on your answer sheet
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Part 1 - Multiple Choice (25 points total)
Identify the choice that best completes the statement or answers the question.
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Bangalore- 560003.
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(a) Update the number of stocks for specific items
(b) Modify a query optimizer
(c) Change the structure of the database to include more information on each item
(d) Implement a module for user login
Solution
(a) Update the number of stocks for specific items
implementters does the work of insert, update, delete and select from database as required by the application program and also it can modify the database contents as per need via program code or via database gui or via query
(b) Modify a query optimizer
this task is usually performed by end user as they can optimize query as per their need or according to the data and the format they want.
(c) Change the structure of the database to include more information on each item
this permission is only with the dba (Database Administrator)
(d) Implement a module for user login
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