Computer Fundamental Miscellaneous - Study Mode
[#796] A disk with usable recording surfaces on each side is known as
Correct Answer
(C) Double-sided disk
Explanation
Solution: In computer science, a double-sided disk is a disk of which both sides are used to store data. Early floppy disks only used one surface for recording. The term single-sided disk was not common until the introduction of the double-sided disk, which offered double the capacity in the same physical size.
[#797] What is a portion of memory that serves as a temporary repository for data as it waits for a given action?
Correct Answer
(B) Cache
Explanation
Solution: In computing, a cache is a hardware or software component that stores data so that future requests for that data can be served faster; the data stored in a cache might be the result of an earlier computation or a copy of data stored elsewhere.
[#798] In serial, asynchronous transmissions, the ____ bit is used to signal the end of the character within the data frame.
Correct Answer
(B) stop
Explanation
Solution: In serial, asynchronous transmissions, the stop bit is used to signal the end of the character within the data frame.
[#799] Which is the acronym for Algol extended for design.
Correct Answer
(C) AED
Explanation
Solution: An automated external defibrillator (AED) is a medical device designed to analyze the heart rhythm and deliver an electric shock to victims of ventricular fibrillation to restore the heart rhythm to normal. Ventricular fibrillation is the uncoordinated heart rhythm most often responsible for sudden cardiac arrest.
[#800] Which of the following are often used to ensure that data has been accurately input to the computer?
Correct Answer
(D) input controls
Explanation
Solution: Input controls are interactive elements of the Interfaces. It allows users to enter the information into the system's interface. Determine that appropriate input controls are used to ensure accuracy and completeness of data.