Technology has a lot of advantages and disadvantages. Few of notable advantages of technology are the fast and easy access to information with the help of internet, the improvised ways of communication like e-mails, and the gadgets or software applications to speed up work. For the disadvantages, the most noticeable effect is the technology related diseases such as the blurring vision caused from the radiation of mobile phones.
Answer:
b. data entry slows as every INSERT , UPDATE, or DELETE statement must also update every index.
Explanation:
This process help to improve the speed of get data , it takes each element in the indexed column and save the location to get faster the data. But if you index every attribute in a table it going to take a lot of time locating each column in the respective index in each query(update, delete and insert). For that reason is necesary be carefull with this process and only put index in the relevant columns
Why are you asking other people to answer a question about something that's affected <u>you?</u>
A folder can include everything from documents and music, to applications [like Word or Excel or your favorite browser]. But computer folders can also contain other folders, lots of them, and those sub-folders can contain folders of their own. This is the called folder tree. The trunk of the tree is the Desktop. Then there are several folders like Recycle Bin, Control Panel,..The most important branch is the
one called ‘Libraries’. Here are the Photos, Music, Videos,...
<span>Using a windows computer, to expand a branch of the folder tree you would right click </span>beside various folders and drives to expand the folder tree.
Answer:
False.
Explanation:
A stethoscope is a medical instrument which is used for listening to the work of the heart and lungs. It consists of a microphone that rests on the patient's chest, and rubber tubes that bring the sound to the earphones. An ordinary stethoscope does not have any moving or electrical parts, as it only mechanically conducts sound from the patient's chest to the doctor's ear. One of the simplest examinations that doctors perform today is listening to the lungs and heart with a stethoscope. With the help of this instrument, noises are heard during the work of the lungs and heart.
