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Arlecino [84]
2 years ago
6

Out-of-order instruction execution can cause problems because a later instruction may depend on the results from an earlier inst

ruction. This situation is known as a ______ or a________
a. risk, reliance
b. hazard, reliance
c. risk, dependency
d. hazard, dependency
Computers and Technology
1 answer:
scoundrel [369]2 years ago
6 0

Answer:

C

Explanation:

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Which of the following shows the correct order of inventions that helped the first computers make calculations?
castortr0y [4]

Answer:

1st - Mechanical Relays, 2nd - Vacuum tubes, 3rd - Transistors

Explanation:

<em>From Tubes...</em>

<em />

The three main components of a basic triode vacuum tube.

The type of tube used in early computers was called a triode and was invented by Lee De Forest in 1906. It consists of a cathode and a plate, separated by a control grid, suspended in a glass vacuum tube. The cathode is heated by a red-hot electric filament, which causes it to emit electrons that are attracted to the plate. The control grid in the middle can control this flow of electrons. By making it negative, you cause the electrons to be repelled back to the cathode; by making it positive, you cause them to be attracted toward the plate. Thus, by controlling the grid current, you can control the on/off output of the plate.

Unfortunately, the tube was inefficient as a switch. It consumed a great deal of electrical power and gave off enormous heat—a significant problem in the earlier systems. Primarily because of the heat they generated, tubes were notoriously unreliable—in larger systems, one failed every couple of hours or so.

<em>...To Transistors</em>

<em />

The invention of the transistor was one of the most important developments leading to the personal computer revolution.The transistor was invented in 1947 and announced in 1948 by Bell Laboratory engineers John Bardeen and Walter Brattain. Bell associate William Shockley invented the junction transistor a few months later, and all three jointly shared the Nobel Prize in Physics in 1956 for inventing the transistor. The transistor, which essentially functions as a solid-state electronic switch, replaced the less-suitable vacuum tube. Because the transistor was so much smaller and consumed significantly less power, a computer system built with transistors was also much smaller, faster, and more efficient than a computer system built with vacuum tubes.

The conversion from tubes to transistors began the trend toward miniaturization that continues to this day. Today’s small laptop PC (or netbook, if you prefer) and even Tablet PC systems, which run on batteries, have more computing power than many earlier systems that filled rooms and consumed huge amounts of electrical power.

8 0
2 years ago
A technician has been asked to upgrade a processor and needs to do some research. The computer is just a couple of years old. Wh
DanielleElmas [232]

Answer:

The two best options can be processors like inlet i7 4.0 GHZ 8th generation processor, and two popular models are core and Pentium for inlet. Similarly for AMD we have 4 GHZ 8 core AMD processors. And two very popular examples are Athlon and Phenom.

You need to check the Graphics, clock speed etc. as well to end up with the best processor. Also make sure that it is motherboard compatible, and to the motherboard that you are having, If number of core is more and frequency is high, it means Processor is better, and same thing applies for generations as well.

Explanation:

The answer is self explanatory.

6 0
3 years ago
The _____ describes how data actually moves from an application on one computer to an application on another networked computer.
zheka24 [161]

The <u>OSI model</u> describes how data actually moves from an application on one computer to an application on another networked computer.

<h3>What is the OSI model?</h3>

OSI model is an acronym for open systems interconnection and it comprises seven (7) main layers, which typically starts from the hardware layers (layers in hardware systems) to the software layers (layers in software systems)

<h3>The layers of the OSI model.</h3>

Basically, there are seven (7) layers in the open systems interconnection (OSI) model and these include the following in sequential order;

  • Physical Layer
  • Data link Layer
  • Network Layer
  • Transport Layer
  • Session Layer
  • Presentation Layer
  • Application Layer

In this context, we can infer and logically deduce that the <u>OSI model</u> is typically used to describe and illustrate how data moves from a software application on one computer to a software application located on another networked computer.

Read more on OSI model here: brainly.com/question/26177113

#SPJ1

5 0
2 years ago
When using presentation aids A. make the aid available for the audience to look at throughout the speech. B. prepare to give you
DanielleElmas [232]

Answer: options A and B.

Option A, make the aid available for the audience to look at throughout the speech.

Option B, prepare to give your presentation without the aids, incase problem arises.

Explanation:

Presentation aids, sometimes also called sensory aids, are the resources beyond the speech itself that a speaker uses to enhance the message conveyed to the audience.

The type of presentation aids that speakers mostly make use of are visual aids; pictures, diagrams, charts and graphs, maps... Audible aids (musical excerpt, sound effects) and olfactory aids (fragrance samples or food samples) are also used.

* Presentation aids can be used throughout the speech but it should be used for essential points so as to to tire or bore the audience.

* Ensure presentation still works without the presentation aids in case of technical problems or if any problem arises at all.

* While explaining the aids, focus should be on the audience and not the presentation aids itself.

* Practice should be done with the presentation aids in advance so as to avoid any error while presenting.

Therefore, options A, B should be done when using presentation aids.

6 0
3 years ago
You want to use the randrange() method. Which line will allow you to enter the following code in IDLE?
AleksandrR [38]

Answer:

It depends on the situation

import "from random import randrange"

for printing random numbers between integers "random.randrange(num1, num2"

Syntax:

"random.randrange(start, stop, step)"

Parameter Values:

start - optional - an integer defining which position to start - default = 0

stop - required - an integer defining which position to end.

step - optional - an integer define the incrementation - default = 1

Explanation:

The syntax is a bit weird but I hope I was a help

5 0
3 years ago
Read 2 more answers
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