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Damm [24]
3 years ago
11

A user complains that his new mouse doesn't work right. He has an old system at home and when he has had this problem, he cleane

d the ball on the underside of the mouse to fix it, but this mouse doesn't have a ball on the underside. What can you tell him about his mouse
Computers and Technology
2 answers:
IrinaK [193]3 years ago
6 0

Answer:

He is using an optical mouse

Explanation:

The computer mouse is a pointing device that identifies and translates two-dimensional motion to a pointer on a display. The use of the mouse cannot be overemphasized, because it ensures the smooth usage of the Graphics User Interface of Operating Systems (OS) and application environments.

There are different types of mice, such as the mechanical (ball controlling mouse), optical and laser, 3D, gaming, ergonomic mouse and so on.

An optical mouse uses Light-emitting Diode (LED), optical sensor and digital signal processing (DSP).

To properly use the optical mouse he just got, he should place the mouse on a mouse pad and avoid using it on glossy surfaces.

Talja [164]3 years ago
5 0

Answer:

The mouse is an optical mouse.

Explanation:

The computer input devices are used to give command or input data to the system for computing. There are different types of input devices, examples of input devices are keyboard, mouse, trackpad, joystick etc.

The mouse is an input device used to control a pointer on the computer screen. Its control is two dimensional and it used for clicking on icons to execute a task. There are several types of mouse, they are optical mouse, mechanical mouse.

The optical mouse has no ball under it, because it is replaced with light emitting diodes which should be used on a dull-sufaced mouse pad to work efficiently. The mechanical mouse uses a ball to track and control the pointer on the screen.

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Answer:

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Explanation:

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8 0
3 years ago
CS160 Computer Science I In class Lab 10
lianna [129]

Answer:

The program in Python is as follows:

fname = input("Enter the translation file name: ")

with open(fname) as file_in:

   lines = []

   for line in file_in:

       lines.append(line.rstrip('\n'))

myDict = {}

for i in range(len(lines)):

x = lines[i].split(":")

myDict[x[0].lower()] = x[1].lower()

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word = input("Enter an English word: ")

while(True):

if not word:

 break

if word.lower() in myDict:

 print("The Spanish word is ",myDict[word.lower()])

else:  

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word = input("Enter an English word: ")

Explanation:

This prompts the user for file name

fname = input("Enter the translation file name: ")

This opens the file for read operation

with open(fname) as file_in:

This creates an empty list

   lines = []

This reads through the lines of the file

   for line in file_in:

This appends each line as an element of the list

       lines.append(line.rstrip('\n'))

This creates an empty dictionaty

myDict = {}

This iterates through the list

for i in range(len(lines)):

This splits each list element by :

x = lines[i].split(":")

This populates the dictionary with the list elements

myDict[x[0].lower()] = x[1].lower()

This prints an instruction on how to use the program

print("Enter an English word to receive the Spanish translation.\nPress ENTER to quit.")

This prompts the user for an English word

word = input("Enter an English word: ")

This loop is repeated until the user presses the ENTER key

while(True):

If user presses the ENTER key

if not word:

The loop is exited

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If otherwise, this checks if the word exists in the dictionary

if word.lower() in myDict:

If yes, this prints the Spanish translation

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If otherwise,

else:

Print word does not exist

 print("I don’t have that word in my list.")

Prompt the user for another word

word = input("Enter an English word: ")

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