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Harman [31]
3 years ago
7

Sara Beth and Taylor have developed a new software that they plan to distribute for free, allowing other software professionals

to study, change, and improved it. Their software is an example of _________.Select one:a. an appb. an operating systemc. ​a simulation systemd. open source software
Computers and Technology
1 answer:
frosja888 [35]3 years ago
5 0

Answer:

open source software

Explanation:

An open source software is any software that is released under an open source license, meaning that anybody can access its source code, see how it was made, and as the question says, "sutdy, change and improve it".

This is opposite to proprietary or closed source software where you can have a license to use the software but you can't see or change it's "building blocks" (i.e. code)

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3 years ago
Technician A says that the reserve rating of a battery is the amount of steady current that a fully charged battery can supply f
Andre45 [30]

Answer:

Neither A nor B

Explanation:

<em>Reserve capacity</em> is the number of minutes that a new, fully charged battery can discharge continuously and maintain a terminal voltage equal to or greater than 1.75 volts per cell.

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5 0
3 years ago
Given four inputs: a, b, c &amp; d, where (a, b) represents a 2-bit unsigned binary number X; and (c, d) represents a 2-bit unsi
Amiraneli [1.4K]

Answer:

z = a.c' + a.b.d' + b.c'.d'

Explanation:

The truth table for this question is provided in the attachment to this question.

N.B - a' = not a!

The rows with output of 1 come from the following relations: 01 > 00, 10 > 00, 10 > 01, 11 > 00, 11 > 01, 11 > 10

This means that the Boolean expression is a sum of all the rows with output of 1.

z = a'bc'd' + ab'c'd' + ab'c'd + abc'd' + abc'd + abcd'

On simplification,

z = bc'd' + ab'c' + ac'd' + ac'd + abc' + abd'

z = ac' + abd' + bc'd'

Hope this helps!

6 0
3 years ago
How do you recognize substances that have gone through physical or chemical changes?
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Normally  you can't.   You cannot tell if water has been frozen and then thawed.
7 0
3 years ago
Read 2 more answers
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