In a database, data is stored in spreadsheets which have rows and columns.

A.

True

B.

False

Safety glasses should be worn in which of the following situations? Question 1 options: When any substance is being heated. When you are mixing or pouring chemicals. When the person next to you is mixing or pouring chemicals. All of the above.

A PHP variable name a. can be a PHP reserved word b. can start with a letter, a digit, or two underscores c. can contain special characters d. is case-sensitive

Neville wants to show the relationship that exists between trucks that have their tires changed after 10,000 miles and those that do not change their tires with the incidence of truck accidents on a highway.

50.40 It is important to keep the lines of communication open because it will a. Make sure people choose your side in a conflict b. Prevent negative emotions from building C Cause people to do what you want d. Lead to an increase in your salary

Try making a character (string) variable and a logical variable. Try creating a variable with a "missing" value NA. You can call these variables whatever you would like. Use class (variablename) to make sure they are the right type of variable.

Which of the following is true of Hadoop? Select one: a. It is designed to store and retrieve data in a manner that does not rigidly enforce the atomicity, consistency, isolation, and durability (ACID) conditions associated with the relational

The decimal number 3 is ___ in binary the 2s column plus the 1s column. a. 11 b. 12 c. 20 d. 21

What is a network that spans a large physical distance called?

Frequent menu users can become annoyed if they must make several menu selections to complete a simple task. Suggest two ways you can refine the menu approach to accommodate expert or frequent users. (at least 2-3 sentences describing each way)

Which statements describe global information systems (gis) ? measures sound underwater tracks the speed of airplanes collects data from the internal revenue service can be used to create emergency plans in the event of natural disasters can be used