Thursday 27 February 2014

CURRENT COMPUTER TRENDS AND TECHNOLOGY

1) The mechanism that allows several users to share a medium without interference is called as
Multiplexing.

2) The cost of parallel processing is generally determined by
Time complexity

3) A data warehouse is generally
Subject oriented

4) The process speeds of pipeline segments are
Equal

5) Key features of ATM (Asynchronous Transfer Mode)
ATM provides both real time and non real time service.
ATM provides faster packet switching than X.25
ATM was developed as part of work on broadband IDSN

6) What is ANSI-41
ANSI-41 is an interim standard that describes inter switching networking.

7) IEEE 802.11a is also called as
Wi-Fi 5

8) How many types of messages are used by MMS to perform message transactions.
Eight(8)

9) What is downflow.
Downflow is the process associated with archiving and backup of data.

10) The use of smart card is a type of
Authorization.

11) Wireless interconnections to PSTN is also called as
IXCs

12) E-commerce involves
EDI (Electronic Data Interchange)

13) U-NII(Unlicensed National Information Infrastructure) band operates at
5GHz frequency

14) What is the use of application software.
It is used to perform specific task for computer users.

15) PVM (Parallel Virtual Machine) has
One send buffer and one receive buffer.

16) Uses of data warehouse.
It provides storage,functionality,responsiveness to queries.

17) What are base stations.
They are just radio relays.

18) Traditional databases support 
OLTP (Online Transaction Processing)
Supports information query requirements.

19) Services provided by cloud computing
Infrastructure as a service (IaaS)
Platform as a service (PaaS)
Software as a service(SaaS)

20) What are data marts.
Data marts are tightly focused subsets of an organisation such as a department.

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