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Define e-commerce?
The term 'electronic commerce' has develop from electronic shopping, to imply all aspects of business and market processes enabled by the Internet and World Wide Web technologies.
Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following
Voice Identifier - Biometric Computer Security Systems Besides fingerprint, another popular security technology is voice identifier. According to VSS organization (2007), voic
What is synchronous transmission? In synchronous transmission the two units share a common frequency and bits are transmitted continuously at the rate dictated by clock pulses
How many methods used to control traffic flowing into and out of the network by firewall? Firewalls utilize one or more of three ways to control traffic flowing into and out of
PS/2 connector (PS/2 keyboards): These were introduced with IBM's PS/2 computers and therefore are known as PS/2 connectors. They have 6-pins but actually their wiring is just
SCSI Bus: Defined by ANSI - X3.131 50, 68 or 80 pins Max. transfer rate - 160 MB/s, 320 MB/s. SCSI Bus Signals Small Computer System Interface
Define rotational latency and disk bandwidth. Rotational latency is the additional time waiting for the disk to rotate the desired sector to the disk head. The disk bandwidth i
SPC stands (A) Standard Protocol Control (B) Stored Program Control (C) Signaling and switching Centre (D) Signaling Process Center Ans: SPC repres
There are two types of assemblies:- 1. Private Assemblies 2. Shared Assemblies
What are the disadvantages of a Smart Card? Disadvantages of Smart Cards are as follows: a. The value of money can be depleted and recharged. b. Customers should keep
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