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natta225 [31]
3 years ago
14

Optimizing a PC’s performance often involves utilities that can defragment disks, clean a system’s Registry, scan for malware, r

epair disk and file errors and update Windows and Internet configuration settings.
a. True
b. False
Computers and Technology
1 answer:
KATRIN_1 [288]3 years ago
3 0

Answer:

a. True

Explanation:

PC's sometimes runs slowly and on the long run cost money. Optimizing performance involves running software utilities that could restore speed and efficiency.

Scanning for malware/ virus , cleaning system registry, uninstalling unused program,  deleting unnecessary files, disk defragment , updating of windows software and setting up the browser are ways to optimize your pc's performance.

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Phishing is a broad term that describes any program that is designed to cause harm or transmit information to others without the
katrin [286]
False phishing is the fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information, such as passwords and credit card numbers.
6 0
3 years ago
Assume you are a manager in the security department of a high-tech corporation. You are mentoring Mary, an entry-level network t
nadya68 [22]

Answer:

Seek a bachelor's degree.

Explanation:

Seems more compromised and education from people with experience already.

6 0
3 years ago
Match the organelles to their functions.
noname [10]

Answer:

I. Smooth endoplasmic reticulum.

II. Golgi apparatus.

III. Lysosomes.

IV. Nucleus.

Explanation:

A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.

A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.

Generally, cells have the ability to independently replicate themselves. In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles.

Some examples of cell organelles with their respective functions in all living organisms such as trees, birds, and bacteria include;

1. Nucleus : it controls all the activities taking place in the cell and the synthesis of proteins. Thus, it's the organelle that commands other organelles.

2. Mitochondria : it provides all the energy required in the cell by transforming energy forms.

3. Lysosomes : they are responsible for absorbing materials and breaking the materials taken in by the cells. Thus, it digests foreign material.

4. Chromosomes : they give sets of instructions for the synthesis of products.

5. Ribosomes : they are involved in the build up of proteins.

6. Smooth Endoplasmic Reticulum : this is where the ribosomes perform their tasks. Thus, it produces lipids and fats.

7. Cytoskeleton : they help to maintain and support the shape of the cells.

8. Vesicles : they ensure proteins are properly transported to the right and exact location.

9. Golgi apparatus : it prepares the protein for export by chemically tagging them. Also, this organelle produces lysosomes.

10. Cell membrane : is the wall of the cell and typically controls what leaves and enters the cell.

7 0
3 years ago
The capital letter Wis expressed as U+0057 in which system?
Paul [167]

The capital letter W is expressed as U+0057 in Unicode system

  • The Unicode system is known as a type of coding system which contains worldwide character encoding standard that gives a code to every character and symbol in every language spoken in the world today.

  • It is known as the encoding standard that is used in all languages, It makes sure that an individual can retrieve or combine data with the use of different languages altogether.

Conclusively, we can say that the The capital letter W is expressed as U+0057 in Unicode system

Learn more from:

brainly.com/question/24736173

6 0
2 years ago
Read 2 more answers
explain why the database system would not allow a tuple to be inserted into the database through this view
Andrej [43]
For the view of Exercise 4.18, explain why the database system would not allow a tuple to be inserted into the database through this view.
For reference
For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note that an employee may simply have no manager listed or may have a null manager. Write your query using an outer join and then write it again using no outer join at all.
OUTER JOIN
select e.ID from employee e left outer join manages m on e.ID = m.ID
where m.manager_id is null;
NO OUTER
select e.ID from employee e where e.ID not in (select m.ID from manages m) or e.ID in (select m.ID from manages m where m.manager_id is null);
6 0
2 years ago
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