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Computers
This category includes questions and answers about computers and everything related to computers.
48,002 Questions
Publisher dtp Advantages and disadvantages?
Advantages are:
- very cost efficient
-easy to use (user friendly)
- loads of design
- it is possible to place elements on the page and then move them around as you wish to create the desired product unlike word processing where the users have to works in a linear fashion
-it is frame based that means the text and picture frames can be laid out on the page, and moved and resized
as necessary.
Disadvantages are:
-it takes a long time to install
- it might not give all the tool as Photoshop
or Coco
- to install additional software or hardware might be required
-the staff will need some training if they are new to the program which might take up some time
What are the positive and negative effects of computers?
NEGATIVE:
they eat time (goofing off)
they make it really easy for bad people to find the ones they want to hurt
they scar small children
they leads to cyber crimes through Internet
POSITIVE:
the learning is endless
talking to more people
seeing more thoughts on the world
SPELL CHECK!
it makes tasks very easy
What are the uses of enzymes in daily life?
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This list contains some of products of enzyme biotechnology you might use everyday in your own home. In many cases, the commercial processes first exploited naturally occurring enzymes. However, this does not mean the enzyme(s) being used were as efficient as they could be. With time, research, and improved protein engineering methods, many enzymes have been genetically modified to be more effective at the desired temperatures, pH, or under other manufacturing conditions typically inhibitory to enzyme activity (eg. harsh chemicals), making them more suitable and efficient for industrial or home applications. * Stickies Removal
Enzymes are used by the pulp and paper industry for the removal of "stickies", the glues, adhesives and coatings that are introduced to pulp during recycling of paper. Stickies are tacky, hydrophobic, pliable organic materials that not only reduce the quality of the final paper product, but can clog the paper mill machinery and cost hours of downtime. Chemcial methods for removal of stickies have, historically, not been 100% satisfactory.
Stickies are held together by ester bonds, and the use of esterase enzymes in pulp has vastly improved their removal. Esterases cut the stickies into smaller, more water soluble compounds, facilitating their removal from the pulp. Since the early half of this decade, esterases have become a common approach to stickies control. Their limitations are, being enzymes, they are typically only effective at moderate temperature and pH. Also, certain esterases might only be effective against certain types of esters and the presence of other chemicals in the pulp can inhibit their activity. The search is on for new enzymes, and genetic modifications of existing enzymes, to broaden their effective temperature and pH ranges, and substrate capabilities.
* Detergents
Enzymes have been used in many kinds of detergents for over 30 years, since they were first introduced by Novozymes. Traditional use of enzymes in laundry detergents involved those that degrade proteins causing stains, such as those found in grass stains, red wine and soil. Lipases are another useful class of enzymes that can be used to dissolve fat stains and clean grease traps or other fat-based cleaning applications.
Currently, a popular area of research is the investigation of enzymes that can tolerate, or even have higher activities, in hot and cold temperatures. The search for thermotolerant and cryotolerant enzymes has spanned the globe. These enzymes are especially desirable for improving laundry processes in hot water cycles and/or at low temperatures for washing colors and darks. They are also useful for industrial processes where high temperatures are required, or for bioremediation under harsh conditions (eg. in the arctic). Recombinant enzymes (engineered proteins) are being sought using different DNA technologies such as site-directed mutagenesis and DNA shuffling.
* Textiles
Enzymes are now widely used to prepare the fabrics that your clothing, furniture and other household items are made of. Increasing demands to reduce pollution caused by the textile industry has fueled biotechnological advances that have replaced harsh chemicals with enzymes in nearly all textile manufacturing processes. Enzymes are used to enhance the preparation of cotton for weaving, reduce impurities, minimize "pulls" in fabric, or as pre-treatment before dying to reduce rinsing time and improve colour quality. All of these steps not only make the process less toxic and eco-friendly, they reduce costs associated with the production process, and consumption of natural resources (water, electricity, fuels), while also improving the quality of the final textile product.
* Foods and Beverages
This is the domestic application for enzyme technology that most people are already familiar with. Historically, humans have been using enzymes for centuries, in early biotechnological practices, to produce foods, without really knowing it. It was possible to make wine, beer, vinegar and cheeses, for example, because of the enzymes in the yeasts and bacteria that were utilized.
Biotechnology has made it possible to isolate and characterize the specific enzymes responsible for these processes. It has allowed the development of specialized strains for specific uses that improve the flavour and quality of each product. Enzymes can also be used to make the process cheaper and more predictable, so a quality product is ensured with every batch brewed. Other enzymes reduce the length of time required for aging, help clarify or stabilize the product, or help control alcohol and sugar contents.
For years, enzymes have also been used to turn starch into sugar. Corn and wheat syrups are used throughout the food industry as sweeteners. Using enzyme technology, the production of these sweeteners can be less expensive than using sugarcane sugar. Enzymes have been developed and enhanced using biotechnological methods, for every step of the process.
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82 decimeters equal how many centimeters?
82 decimeters equals to 820 centimeters.
1 decimeter=10 centimeters
82*10=820
Some harmful gases include carbon monoxide, sulfur dioxide, nitrogen oxides, and volatile organic compounds. These gases can cause respiratory issues, environmental damage, and contribute to climate change.
Who made the greatest contribution to computer to computers and why?
John von Neumann is probably the most influential person in computer development. He designed the basic structure of what we would now recognize as a computer, including processor capabilities, long term storage and the concept of RAM.
Blue in this term stands for Bluetooth, which enables reliable wireless communication and the
Eyes because the eye movement enables us to obtain a lot of interesting and important information.
The basic idea behind this technology is to give
computer human power.
Which elements are used to make computer chips?
The heart and soul of computer (or most other semiconductor) chips is silicon. Very, very pure silicon. It is on a silicon substrate that the tiny amounts of other stuff is deposited to create the circuits of something like a microprocessor or a very large scale solid state memory integrated circuit. Got links if you want to check them out. The pictures alone are worth the trouble to surf on over.
What are alleles and how are they inherited from parent cells?
Alleles are alternative forms of a gene that can occupy the same position on a chromosome. When an organism inherits alleles from its parents, one allele is typically inherited from each parent. This process occurs during sexual reproduction, where each parent contributes one allele to the offspring.
The metric system is based on what substance?
The metric, or SI, system has seven base units, from these seven all other units are derived.
Length- metre (m).
Time- second (s).
Mass- kilogram (kg).
Temperature- kelvin (K).
Electric current- ampere (A).
Luminous intensity- candela (cd).
Amount of substance- mole (mol).
Thomas Knoll is one of the co-founders of Adobe Photoshop. He developed the software with his brother John Knoll and it was first released in 1988. Thomas Knoll's programming skills were instrumental in creating the iconic image editing software that revolutionized the industry.
Besides natural disaster and mechanical failure what are four other common causes of data loss?
Four other common causes of data loss include human error (such as accidental deletion or formatting), software corruption (e.g. viruses or malware), power outages or electrical issues, and theft or intentional data breaches.
= What is low air density? = well, high or low are relative concepts. Normally the standard air density of the air is defined as the density of the air at 15ºC and at sea level pressure (standard conditions), what give a value of 1,225kg/m3. This way, we can talk about high or low air density related to the standard value. Air density depends on temperature and pressure. The colder the temperature the higher the density is, and the higher the height in the atmosphere the lower the density becomes. In the Everest peak, e.g., air density can be lower than 0,5. Meanwhile in the Antarctica (at sea level) the density could reach values higher than 1,5.
The latest model of computer can vary depending on the brand and type of computer. As of now, some of the latest models include the Apple MacBook Pro with M1 chip, the Dell XPS 13, and the Microsoft Surface Laptop 4. These models are known for their powerful performance, sleek design, and advanced features.
What elements make up transistors?
Transistors are typically composed of three layers of either silicon or germanium semiconductor material: the emitter, the base, and the collector. The junctions between these layers determine the transistor's behavior as an amplifier or a switch. By controlling the flow of electric current between these layers, transistors can amplify or switch electronic signals.
A bank repo rate is the rate at which a central bank lends money to commercial banks in the event of a shortfall of funds. It is a tool used by central banks to control money supply in the economy. The repo rate influences interest rates for loans and deposits in the banking system.
Directed Graph is that graph which is directed i.e.which is having diretions. in other words it can be said that a graph whose directions are marked with an arrow is known as direct graph or directed graph.
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Define vapor pressure thermometer?
A vapor pressure thermometer is a device that measures temperature by detecting the pressure of a vapor in a closed chamber. As temperature increases, the pressure of the vapor also rises, allowing for temperature measurement. These thermometers are often used in scientific and industrial applications where precise temperature control is necessary.
What are examples of a neutralisation reaction?
A typical example such a reaction is what occurs when you equal amounts of a strong acid to a strong base. Hydrochloric acid, HCl, is a strong acid and sodium hydroxide, NaOH, is a strong base. When you mix the two in equal amounts, pure water (with a pH of 7) and table salt, NaCl are made. The reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) The net ionic reaction occurring here, and in most neutralization reactions is: H+ + OH- → H2O Note that this neutralization reaction can produce a tremendous amount of heat, and so can be quite dangerous!
What is the first step when taking a computer apart?
The first step when taking a computer apart is to power it off completely and unplug it from the power source to ensure safety.
Why are there two dots over the letter E in Noel?
The two dots over the letter E in Noel indicate that it should be pronounced as two separate syllables. This diacritic mark is called a diaeresis and is used to show that the vowels are to be pronounced individually rather than as a digraph.
What is the daily uses of magnetometer?
A magnetometer is commonly used in navigation systems to determine direction and orientation. It is also used in geological surveys to map magnetic fields of the Earth's crust. In addition, magnetometers are used in archaeological studies to detect buried metal objects.
What does CA mean on an electronic calculator?
CA on an electronic calculator usually stands for "Clear All" or "Clear All Entries." Pressing the CA button will clear all calculations or data stored in the calculator's memory. It essentially resets the calculator to its starting state.
Under normal circumstances you cant erase or add any information?
Under normal circumstances, data on a write-once read-many (WORM) storage device cannot be erased or altered once written. This feature ensures data integrity and security, making it suitable for storing important and sensitive information that shouldn't be modified. However, backup copies must still be maintained due to the permanence of the data.
