EEPROM
Electrically Extractable Programmable Read Only Memory
Electrically Erasable Programmable Read Only Memory
Electronically Erasable Programmable Read Only Memory
Electrically Erasable Programmable Read Only Memory
Correct Answer :
D. Electrically Erasable Programmable Read Only Memory
Related Questions
In two-phase locking
the data items are locked in growing phase.
the data items are released in shrinking phase.
Both A and B are true
Both A and B are false
Technique(s) used for data recovery after any failure
Logging
Recovery manager
Both A and B are true
Both A and B are false
File organization that provides fast access to any arbitrary record
Hashed file
B-tree
Ordered file
Unordered file
Authorization command in SQL
Allow
Access
Grant
none of the above
Which of the following produces the relation that has attributes of R1 and R2
Cartesian product
Difference
Intersection
Product
Unwanted energy from source other than the transmitter.
Attenuation
Distortion
Delay
Noise
Tape storage is referred to as
sequential access storage
direct access storage
random access storage
none of the above
Specialization is a
top-down approach.
bottom-up approach.
left-right approach.
none of the above
The output of the Data Definition Language is stored in the
view table
schema
metadata
all of the above.
In mesh topology, if the number of devices is n , then the number of ports present in each device is
n
n+1
n-1
n/2
What is ACID properties of Transactions?
Atomicity, Consistency, Isolation, Database
Atomicity, Consistency, Isolation, Durability
Atomicity, Consistency, Inconsistent, Durability
Automatically, Concurrency, Isolation, Durability
What is the result of the following SQL statement ?
SELECT A.emp_Name, B.ph_num
FROM emp A LEFT OUTER JOIN phone B
ON A. emp_ID = B.emp_ID
A list of employees phone number
A list of all employees that have spouses, with phone number included in the list
A list of all employees names, including the phone number if they have one
Two lists : One list of employees, the other of phone numbers
Transaction access data using two operations
read(), print()
read(), write()
scan(), write()
none of the above
Full form of CIDR
Classful Inter Domain Routing
Classless International Domain Routing
Classless Inter Domain Routing
none of these
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples,
then the maximum size of join is:
mn
m+n
m+n)/2
2 m+n)
The race condition occurs when
Two concurrent processes attempt to interact with each other.
Two concurrent processes interact with different data files.
Two concurrent processes attempt to hold a data item .
none of the above.
Which of the following is not proper state of transaction ?
Partially aborted
Partially committed
Aborted
Committed
The access protocol used by traditional Ethernet
CSMA/CA
CSMA/CD
CSMA
Token ring
.................. occurs due to velocity of propagation the frequency varies. Thus various frequency components of a signal arrive at the receiver at different times.
Noise
Delay distortion
Attenuation distortion
Dispersion
The minimal set of super key is called
Primary key
Secondary key
Candidate key
Foreign key
Noisy channel has ……… .. types of protocols
two
three
four
none
.................. is the loss of energy as the signal propagates outward, where the amount of energy depends on the frequency.
Noise
Delay distortion
Attenuation distortion
Dispersion
A data manipulation command the combines the records from one or more tables is called
SELECT
PROJECT
JOIN
PRODUCT
View never contains derived columns.
True
False
Cant say
none
In which of the random-access method, stations do not sense the medium?
ALOHA
ETHERNET
CSMA/CA
CSMA/CD
The raw facts and figures are:
Data
Data field
DBMS
DBASE
Data integrity refers to
the uniqueness of the data in a database
the correctness and completeness of the data in a database
the un redundancies of the data in a database
Data independence of the database
The method of access which uses key transformation is known as
direct.
hash.
random.
sequential.
Relational Algebra is
Data Definition Language.
Data Manipulation Language
Procedural query Language
None of the above
In an Entity-Relationship Diagram Ellipses represents
Attributes
Weak entity set
Relationship sets
Multi-valued attributes