Computer Fundamental Miscellaneous - Study Mode
[#491] The arranging of data in a logical sequence is called:
Correct Answer
(A) sorting
Explanation
Solution: The arranging of data in a logical sequence is called Sorting. Sorting is the process of rearranging a sequence of objects so as to put them in some logical order.
[#492] Who is the creator of the PASCAL language?
Correct Answer
(A) Niklaus Wirth
Explanation
Solution: Pascal is an imperative and procedural programming language, which Niklaus Wirth designed in 1968–69 and published in 1970, as a small, efficient language intended to encourage good programming practices using structured programming and data structuring. It is named in honor of the French mathematician, philosopher and physicist Blaise Pascal. Pascal runs on a variety of platforms, such as Windows, Mac OS, and various versions of UNIX/Linux.
[#493] When was punched-card equipment used for the first time to process the British census?
Correct Answer
(C) 1911
Explanation
Solution: In 1911 punched-card equipment used for the first time to process the British census.
[#494] A hashing scheme is used with
Correct Answer
(B) direct file organization
Explanation
Solution: Hashing is the transformation of a string of characters into a usually shorter fixed-length value or key that represents the original string. Hashing is used to index and retrieve items in a database because it is faster to find the item using the shorter hashed key than to find it using the original value.
[#495] The time taken for the read/write head to move to the correct track on the magnetic disk is called
Correct Answer
(C) seek time
Explanation
Solution: Seek time is the time taken for a hard disk controller to locate a specific piece of stored data. Other delays include transfer time (data rate) and rotational delay (latency). When anything is read or written to a disc drive, the read/write head of the disc needs to move to the right position. The actual physical positioning of the read/write head of the disc is called seeking.