Showing posts with label Database. Show all posts
Showing posts with label Database. Show all posts

Monday, June 28, 2010

Computer Awareness Quiz 2010 - V

1.      A group of attribute/field in a database is known as a______.
a) Record   b) File   c) Database   d) Entry   e) None
2.      A ______ describe a category of information in a table of database.
a) Record   b) File   c) Entry   d) Field   e) None
3.      A goal of data mining includes which of the following?
a) To confirm that data exists
b) To create a new data warehouse
c) To analyze data for expected relationships
d) To explain some observed event or condition
e) None of the above
4.      The correct hierarchical order, smallest to largest, for the following database terms is:
a) File, Field, Record, Database
b) File, Record, Field, Database
c) Record, Field, File, Database
d) Field, Record, File, Database
e) None of the above
5.      In RDBMS , DBA is responsible for:
a) Physical database design
b) Defining conceptual models and schema
c) Defining security and integrity rules
d) Defining backup and recovery mechanisms
e) All the above
6.      When data changes in multiple lists and all lists are not updated, this causes _______.
a) Duplicate data
b) Data redundancy
c) Data inconsistency
d) Information overload
e) None
7.      Which of the following programming method is used to minimize data errors when data
is transferred over a network?
a) Checksum  b) Checkbit  c) Cryptography d) Encryption  e) None
8.      Which device act as a traffic cop over a network?
a) Modem   b) Hub   c) Switch   d) Router   e) None
9.      How many layers are present in Open System Interconnection (OSI) model of network
architecture?
a) Five   b) Six   c) Seven   d) Eight  e) None of these
10. Which layer of OSI model, firstly make use of unit of data called “Packet”?
a) Datalink Layer
b) Transport Layer
c) Network Layer
d) Presentation Layer
e) None
11. Communication between computers is established, maintained and terminated by _____ .
a) Network Layer
b) Session Layer
c) Application Layer
d) Presentation Layer
e) None
12. Which term identifies a specific computer on the web and the main page of the entire
site?
a) URL   b) Hyperlink   c) Web site address   d) Domain name   e) None of these
13. The place where data or information is stored for a short time is
a) Memory   b) Control Unit   c) Buffer   d) ALU   e) None
14. The section of CPU which selects, interprets and sees to the execution of program
instructions?
a) ALU   b) Control Unit   c) Register Unit   d) Processing Unit   e) None
15. Which program is used to convert assembly language to machine language?
a) Compiler   b) Interpreter   c) Linker   d) Assembler   e) None
16. The process of finding errors in software’s source code
a) Debugging   b) Compiling   c) Testing   d) Running   e) None
17. A computer programmer
a) can draw only flowchart
b) can enter data quickly
c) does all the thinking for a computer
d) can operate all type of computer equipment
e) None
18. Primary Memory of a personal computer consists of
a) RAM only
b) ROM only
c) Hard Disk only
d) Both (a) and (b)
e) All (a), (b), and (c)
19. A Trojan horse is
a) An ad ware program
b) A virus disguised as a useful program.
c) A program that blows up every time you use it
d) A spy ware which steal information over internet
e) None
20. Which one of the following is not true?
a) HTTP Protocol is used to view a web page in a browser
b) Android is Google's operating system for mobile devices
c) GHz is the measurement used to determine the speed of processor
d) WAN requires the same technology as LAN
e) All are true
Note: Submitted by Narendra.

Saturday, June 19, 2010

Computer Aptitude Quiz 2010 - IV

1. A set of related records in a database is known as a______?
a) File   b) Tuples   c) Field   d) Record-group   e) None
2. One piece or item of information in a database is known as a/an ____?
a) Record   b) Entry   c) File   d) Field   e) None
3. Locking was introduced into databases so that _____?
a) Consistency can be enforced
b) Keys can be provided to maintain security
c) All simultaneous transactions are prevented
d) Passwords can be provided to maintain security
e) None
4. The four parts of a database listed in ascending order are?
a) File, record, field, entry
b) Entry, field, record, file
c) Field, entry, record, file
d) Record, field, entry, file
e) None
5. Which input device is used to read characters directly from an ordinary piece of paper?
a) OMR   b) OCR   c) TSR   d) PCR   e) None
6. Which of the following operating system is launched by IBM for personal computers?
a) IBM-DOS   b) MS-DOS   c) OS/2   d) PC-DOS   e) None
7. Which generation of computer use Artificial Intelligence?
a) Third   b) Fourth   c) Fifth   d) Sixth   e) None
8. Which of the following is not a name of network topology?
a) Bus   b) NetWare   c) Tree   d) Ring   e) Mesh
9. A _______ server store and manages files for network user?
a) Main   b) Web   c) File    d) Authentication   e) None
10. A medium for transferring data between two locations is called ____?
a) Network   b) Modem   c) Sharing   d) Communication Channel   e) Data Bus
11. Personal logs or journal entries posted on the Web are known as_______?
a) Twitter   b) Blogs   c) Web casts   d) User-Forum   e) None
12. Before a hard disk can be used to store data, it must be _________ firstly?
a) Partitioned   b) Labeled   c) Formatted   d) Addressed   e) None
13. What is Rover in Windows XP?
a) An animated character
b) A mouse hover event
c) Busy hourglass mouse cursor
d) A routing and remote access service
e) None
14. A computer-hoax is?
a) A Trojan threat
b) A computer hacker
c) A program that blows up every time you use it
d) A program intended to scare users into thinking they have a virus
e) None
15. Which of the following is not a Microsoft operating system?
a) Windows XP
b) Windows ME
c) Windows CE
d) Windows MX
e) All the above
16. What does SATA stands for?
a) Super Advanced Technology Attachment
b) Serial Advanced Technology Attachment
c) Serial Access Technology Attachment
d) Small Access Technology Attachment
e) None
17. Which one of the following is not true?
a) Front panel of computer case is also called Bezel
b) Python is a computer programming language
c) XP stands for eXPerience in Windows XP
d) DPI (dots per inch) is a measurement of printer resolution
e) All are true
18. The type of line spacing that leaves a blank line between each line keyed is known as?
a) Single spacing
b) Double spacing
c) Triple spacing
d) Quadruple spacing
e) None
19. The page margins of a document refer to the?
a) Header on each page
b) Page orientation
c) White space left for binding
d) White space surrounding the page
e) None
20. In order to delete the word “RAM” using the backspace key, the cursor must be
Positioned?
a) Before the letter M.
b) After the letter A
c) Before the letter R
d) After the letter M
e) Can not delete
Note: Submitted by Narendra.