Answer:Pen computing refers to any computer user-interface using a pen or stylus and tablet, over input devices such as a keyboard or a mouse.
The first one
“hello” + “goodbye”
Answer:
Ex post facto hypothesizing
Explanation:
ex post facto hypothesizing Is invalid in science. It involves making hypothesis after noticing some form of relationship which has been noticed.
The director concluded that the program was undoubtedly effective, and noticed that there really could not possibly have been an increase in actual abuse due to her program. He noticed it was due to an increase in reportage of abuse due to closer monitoring in the daily home visits. This hypothesis validates ex post facto hypothesizing.
The answer is true. Data redundancies should be avoided,
because redundancy of information or encoded data, may cause inconsistencies
within the database itself and the system and also redundant information can
consume a lot of storage space and will just waste it, which is why it is
important to avoid data redundancy.