What was the first e-commerce service

A type of Knowledge Management System is called

What short (two letters!) but powerful boolean operator can check whether or not one string can be found in another string?

All of the fossils that have been discovered make up the A. evolution B. history of the Earth C. a time period D. fossil record

3-way-Merge Sort : Suppose that instead of dividing in half at each step of Merge Sort, you divide into thirds, sort each third, and finally combine all of them using a three-way merge subroutine.

What are the major differences between the implementations of the discretionary access control models on Unix and Linux systems and those on Windows systems?

Xml is used to format the structure and style of a web page. true or false

Read the following scenario, and then answer the question below. Paula is a computer programmer and is very good at her job. The company Paula works for announces that they will be using brand new software tools.

Most of the keyboards provided with desktops are?

Assume a 8x1 multiplexer's data inputs have the following present values: i0=0, i1=0, i2=0, i3=0, i4=0, i5=1, i6=0, i7=0. What should be value of the select inputs s2, s1 and s0 for the value on the multiplexer's output d to be 1? s2= s1= s0

1. Discuss attribute semantics as an informal measure of goodness for a rela - tion schema. 2. Discuss insertion, deletion, and modification anomalies. Why are they considered bad? Illustrate with examples.