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3 years ago

How many bits would be needed to count all of the students in class today? There are 40 students.

Computers and Technology

1 answer:

Semenov [28]3 years ago

3 0

Answer:

You would need 8 bits.

Explanation:

pls mark brainliest

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C) until the message has been communicated

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2 years ago

An elevator of mass 250kg is carrying two persons whose masses are 50kg and 100kg. if the force exerted by the motor is 3000N. C

Agata [3.3K]

$m_{elevator}=250kg \\m_{people}=50kg+100kg=150kg \\m_{motor}\approx3000N\div10\frac{m}{s^2}\approx300kg \\m_{total}\approx250kg+150kg+300kg\approx\boxed{700kg}$

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3 years ago

An expression that can’t be reduced any further is:

MakcuM [25]

Answer:

i think it’s b by process of elimination.

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3 years ago

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Write the logical Expression and Draw the Truth table for the <br> following questions

Alja [10]

The logical expressions are

(X NOR Y ) OR Z ⇒ $(\bar X \bar + \bar Y) + Z$
(A NAND B) AND NOT C ⇒ $(\bar A \bar \cdot\bar B) \cdot \bar C$

<h3>How to determine the logical expressions?</h3>

<u>Logical expression 1</u>

X and Y are linked by the NOR gate.

So, we have:

X NOR Y

The X NOR Y is linked to Z by the OR gate.

So, we have:

(X NOR Y) OR Z

Hence, the logical expression is (X NOR Y ) OR Z ⇒ $(\bar X \bar + \bar Y) + Z$

<u>Logical expression 2</u>

A and B are linked by the NAND gate.

So, we have:

A NAND B

The A NAND B is linked to C by the AND gate.

So, we have:

(A NAND B) AND C

Hence, the logical expression is (A NAND B) AND NOT C ⇒ $(\bar A \bar \cdot\bar B) \cdot \bar C$

See attachment for the truth tables