Maintenance of Cars, Computers and Desktops: Technical Issues and Tips

This article covers technical issues and tips for maintenance of cars, computers and desktops. It includes information on circuit connections, car maintenance, computer maintenance, desktop maintenance, written communication, and the use of word processors. The article also includes an interview with a computer repair expert and discusses the advantages and disadvantages of written communication.

MECHANICAL ENGINEERING
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QUESTION ONE
The technical issues related to the circuit connections
 The circuit may suffer the short circuiting
 The lose connection problems
 For the wireless connections the problems could be as follows
 The very slow internet connections in some paces
 The wifi does not reach only some rooms
 The absence of the devices that can connect wireless
 A connection drop at the random times in the circuit
 The network of WI-fi that disappears entirely
 Te crashing of the router that can only be connected by restarting
QUESTION TWO
Car maintenance presentation
The importance of car maintenance
 It improves the much-needed safety
 It enhances the reliability and the performance of the car

 Car maintenance will save the operator the repair cost
 It will give the car a higher resale value
 Car maintenance helps in keeping the environment clean.
 The car maintenance helps in the minimisation of the roadside emergencies.
How to achieve the car maintenance
1. Inspect the vehicle regularly. The owner’s manual will give details on how to do this.
2. Learn the to interpret the meaning of the warning lights on the indicators.\Some of the
lights to give attention may include the engine light, the service engine light, the
electrical fault light, the brake warning light, the coolant warning light and the oil
warning light
3. Check the tyres for the wheels and the tire pressure. It is usually affecting the comfort
of handling the car
4. Check the tread depth for the car tire and ensure they are in proper conditions to avoid
sliding of the car.
Fig 1: Wheel maintenance
Try to do a rotation to the tires and have the alignment checked
Clean the brake dust properly on the wheels

7 Always check the drive belts when checking the engine
8 Confirm regularly the level of the oil in the tank.
Fig 2: Oil level checking
Confirm and check for the coolant level inside the engine
Remember to administer the fuel economy of your engine
Fig 3: Fuel economy
11Do a replacement to the engine air filters for the worn-out ones
12 Do a replacement to the sparkplugs regularly
13 Try and stick to the rating of the octane that is given by the manufacturer
14 Use the quality and superior supply of the body parts

15 Ensure that you have sufficient knowledge on the battery disconnection.
16 Clean the battery terminals regularly.
Fig 4: Battery maintenance
17 Do a replacement to the broken indicator bulbs
Question 4
An interview with the designated authority on how to maintain the computers
Computers are just consumable products that also fail due to the hardware or software
complications. Whenever the computers fail to function as expected, they are taken to the
shops for them to be repaired. I had the opportunity to interview OWILI, a company that
repairs the computers located in kiambiyo Nairobi. Some of the most common computer
repairs questions were sufficiently answered.
STUDENT: What are those common problems that are associated with the computer that you
solve in shop workshop?
OWILI: The problems are quite a number. For effective understanding, the problems can be
broken down in the following sub heading
1 the malware removal-It is the most common with the computers. It is almost unavoidable
problem that seem to be attached to nearly everything. The simple’s things that are taken to

get recognised institution can fail to execute command as given and give something else.
Keep the tool bar as minimum as possible. Only the ones that one cannot survive without
should be left. The more the number of the toolbars to be opens the slower the browser
Houser, M.L., Fleuriet, C. and Estrada, D., 2012. It will help to organise the security details
while at the same time making perfect decisions with the left clicking button. A void using
the free screen savers the flashy ads together with the free music downloads that are not
obtained from a very well recognised internet browser. Also avoid the programmes and
websites that usually fix automatically to the browser.
2 Bad Hard Drives on the Laptops: The major problem is because people normally close the
lids and put their laptops inside the bag and just start moving around with them. When the
hard drive is on, the computer should not be moved with a lot. It should be shut by following
all the procedure properly or it should be put in a hibernation mode and it be waited to go off
completely. Being that it is a laptop, one should always be cautious and avoid being too
rough.
3 Overheating the component-This can be controlled when one applies preventive
maintenance. The laptop should be checked at least after every 2 years for the condition of
the motherboards and even fans.
STUDENTS: What are the tools you always prefer using or the programs that you always use
to fix or diagnose the computer?
OWILI: It is not all about my preference, but it is about what is appropriate to solve the
problem at hand. One needs good tools to do a better job. To be able to properly diagnose a
computer, one must be able to know what is not working correctly within the system and
what is working. The hardware and the software are diagnosed together although the software
may always take one a few minutes to establish what the problem is. For the starters, one may

need to keep on the top service packs, virus definitions and the updates. Here one will purely
use observation for the success. The user therefore must bring the computer for check-up
regularly.
STUDENT: Which is the worst computer brand have ever worked with?
OWILI: I would not wish to single any of them out now. Considering the ease and quality of
the installation, the companies are competing favourably. Most of their desktops tend to be
propriety. The best computer to buy is one whose spare parts can be found in the local shops.
STUDENTS: Would you recommend Dell computers to any of your clients?
OWILI: I will not recommend the Dell computers to most of my clients. It is only you that I
would recommend the Dell for but in a condition that you will be using it specifically for the
multimedia purposes to do the video editing.
Do you recommend a specific backup method to your clients? The backup solutions may be
different both on the hardware and the software. The external drives and online services
should be used by those operating from home.
How much is the average labour cost for repairing the computers?
OWILI: It is difficult to tell on this because it varies from shop to shop. In some shops they
provide diagnostic services while I the others it is done at a fee.
STUDENT: Should laptops be repaired or just replaced in relation to the cost?
OWILI: This will depend on the age of the computer and the level of damage to be repaired.
If the level of damage is too high then it better be replaced.
STUDENT: What is your priority tip for the computer users?

OWILI: Never skip the computer maintenance. There is an automatic cost attached to owning
a computer.
A report on the interview
The interview was conducted on 23rd May at the Jumbo workshop for the computers. The
findings from the interview were very elaborative and the benefits of computer maintenance
were emphasised on
Computer replacement verses repair were compared against the cost and the informed
decisions made.
Fig 5: Computer repair session
QUESTION 5
DESKTOP MAINTENANCE
Always ensure that the keyboard,mouse and openings are clean.

Fig 6; Clean the monitor gently
Always keep the food and beverages away from the laptops and desktops
Ensure that you organise the cords properly
Never overcharge the batteries.
Fig 7: Charging the laptop
Keep the laptops away from the magnets
Always get a phone case and a screen protector
Uninstall the programs completely

Fig 8: Uninstalling
Reinstall the operating systems periodically
Fig 9: Replacements
Always have your firewalls running.
Try to get the anti-software malware
QUESTION 6
The parts of the computer to be assessed during the maintenance Houser, M.L., Fleuriet, C.
and Estrada, D., 2012.
The memory modules
Motherboard

Fig 10; Motherboard
The disk drives
Fig 11: General outplay
The display monitors
Keyboard
The mouse

Types of the written communication
Communications are of two types that is oral and written communications. The written
communications involve that communication in the form of written words. The most
common forms of this communication may include the following; memos, emails, reports and
the instant messages and this are commonly used internally by the business. Wieland, L.S., et
al
T he clients that are considered to be from the outside business are normally addressed
through the use of letters, emails, proposals internet websites, faxes, contracts, brochures,
news releases and telegrams.
The advantages of the written communications may include the following;
It saves on the expenses for example one can send an e mail instead of calling long distances
Whenever there is a dispute, this form of communication provides a written proof
It does not need the personal contact.
This form of communication has a number of disadvantages that include the delay in
communication, lack of secrecy and costly if the recipient and the sender are close to each
other that will still demand for the pen and book. A., LOGMEIN Inc, 2012.
The written information should be done in codes that are only known to the recipients and the
sender so as to enhance the security and secrecy.
QUESTION 7
The evidence that computer has been used in this whole work
The work that has been given here is in the typed form and this enough evidence

The pictures and the images shown above illustrating on the various ways of car and
computer maintenance is an evidence computer was used
The presentation has been made in the PowerPoint form that only computers can do.
The assignment was given through the email and the worked questions sent through the e
mails too.
The typing of the assignment was done using the word processor software.
QUESTION 8
THE WORD PROCESSOR
A word processor is that software which allows the person using it to create, do editing and
print the document. This was one of the software that was used to enhance the presentation
The software allows for the text writing, electronic storage of the text and even performing
further modifications. It has become the most commonly used software today. Craig, E. and
Wright, K.B., 2012
The first word processor was in the form of machines that were similar to the electronic
typewriters had an advantage of allowing one to make changes without retyping the whole
work
The sample layout of the word processor is as shown below.

The advantages of this software include the following
One can easily correct any mistakes which are made during the operation
It provides for the spelling and the grammar checking options
One can save numerous document and easily sort them out.
Several copies can be made and this saves on the printing cost.
The pages used can be formatted and one create any form of the desired beauty.
The mail merging from the database is possible so one can easily send out the letters to many
people at once.

REFERENCES
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for an aircraft with remote terminal. U.S. Patent 8,165,732.
Pankratov,
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computer communications. U.S. Patent 8,296,437.
Craig, E. and Wright, K.B., 2012. Computer-mediated relational development and
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