Computer Fundamental Miscellaneous - Study Mode

[#716] Floppy disks which are made from flexible plastic material are also called?
Correct Answer

(C) diskettes

Explanation

Solution: A diskette, also known as a floppy disk, is a random access, removable data storage medium that can be used with personal computers. The term usually refers to the magnetic medium housed in a rigid plastic cartridge measuring 3.5 inches square and about 2 millimeters thick.

[#717] Which of the following tasks is not suited for sequential processing by a computer?
Correct Answer

(D) Inventory control

[#718] Which of the following is responsible for coordinating various operations using timing signals?
Correct Answer

(B) Control unit

Explanation

Solution: The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. It tells the computer's memory, arithmetic/logic unit and input and output devices how to respond to the instructions that have been sent to the processor.

[#719] All calculations are performed and all comparisons are made in _____ unit.
Correct Answer

(B) arithmetic-logic unit

Explanation

Solution: All calculations are performed and all comparisons are made in Arithmetic-logic unit. An arithmetic logic unit (ALU) is a combinational digital electronic circuit that performs arithmetic and bitwise operations on integer binary numbers.

[#720] The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called
Correct Answer

(A) ASCII

Explanation

Solution: ASCII is the traditional name for the encoding system, the Internet Assigned Numbers Authority (IANA) prefers the updated name US-ASCII, which clarifies that this system was developed in the US and based on the typographical symbols predominantly in use there.