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zaharov [31]
2 years ago
6

What were the primary purposes of the first digital

Computers and Technology
1 answer:
Vesnalui [34]2 years ago
3 0

Answer:

It was designed to serve the science and military departmemt

Explanation:

It surely could not be designed for the purpose of instagram

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Communication between a computer and a keyboard involves ______________ transmission.
4vir4ik [10]

Answer:

Simplex transmission

Explanation:

Communication between computer and keyboard involves which transmission? Answer: Simplex transmission requires communicating between a computer and a keyboard. The simple transmission & communication channel allows data from only one direction.

8 0
1 year ago
If an employee who needs eye protection wears prescription lenses he or she should
gogolik [260]
Wear Regular glasses not contacts.
5 0
3 years ago
Dallas is an analyst at an online retailer. He is great at creating representative diagrams showing the relationships between cu
dimulka [17.4K]

Answer:

The correct answer to the following question will be "Abstract Reasoning".

Explanation:

  • Abstract reasoning depends on the ability to interpret facts, to identify correlations and interactions and to resolve the problems at a deep, conceptual level.
  • To be able to construct hypotheses about both the existence of events and concepts require abstract reasoning capabilities.

This suggests, therefore, that Dallas has this ability.

4 0
3 years ago
Assume that word is a variable of type String that has been assigned a value. Assume furthermore that this value always contains
Valentin [98]

Answer:

   String word = "George slew the dragon";

   

   int pos = word.indexOf("dr");    

   String drWord = word.substring(pos, pos+4);

   

   System.out.println(drWord);

Explanation:

Assuming dr is always there, we don't have to check the validity of 'pos'. Normally, you would!

5 0
3 years ago
Read 2 more answers
Fifty-three percent of U.S households have a personal computer. In a random sample of 250 households, what is the probability th
aleksley [76]

Answer:

The correct Answer is 0.0571

Explanation:

53% of U.S. households have a PCs.

So, P(Having personal computer) = p = 0.53

Sample size(n) = 250

np(1-p) = 250 * 0.53 * (1 - 0.53) = 62.275 > 10

So, we can just estimate binomial distribution to normal distribution

Mean of proportion(p) = 0.53

Standard error of proportion(SE) =  \sqrt{\frac{p(1-p)}{n} } = \sqrt{\frac{0.53(1-0.53)}{250} } = 0.0316

For x = 120, sample proportion(p) = \frac{x}{n} = \frac{120}{250} = 0.48

So, likelihood that fewer than 120 have a PC

= P(x < 120)

= P(  p^​  < 0.48 )

= P(z < \frac{0.48-0.53}{0.0316}​)      (z=\frac{p^-p}{SE}​)  

= P(z < -1.58)

= 0.0571      ( From normal table )

6 0
3 years ago
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