Computer Fundamental Miscellaneous - Study Mode

[#451] The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as
Correct Answer

(A) CPU

Explanation

Solution: CPU : A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions. The computer industry has used the term "central processing unit" at least since the early 1960s. Traditionally, the term "CPU" refers to a processor, more specifically to its processing unit and control unit (CU), distinguishing these core elements of a computer from external components such as main memory and I/O circuitry. Source : wikipedia.org

[#452] Human beings are referred to as Homosapiens. Which device is called Silico sapiens?
Correct Answer

(D) Computer

Explanation

Solution: Human beings are referred to as Homo sapiens. Computer is called Silicon sapiens. Computer's ICs are made of Silica so that can be one of the reasons for calling computer Silico sapiens.

[#453] Which access method is used for obtaining a record from a cassette tape
Correct Answer

(B) sequential

Explanation

Solution: Sequential is access method is used to access cassette tape. In computer science, sequential access means that a group of elements is accessed in a predetermined, ordered sequence.

[#454] The most important advantage of a video disk is
Correct Answer

(B) Potential capacity

Explanation

Solution: The most important advantage of a video disk is potential capacity. Potential capacity is the big picture. This metric captures the maximum capacity of a submarine cable with every fiber pair lit with the maximum number of wavelengths at the highest bit rate.

[#455] The process of entering data into a storage location
Correct Answer

(D) is destructive of previous contents

Explanation

Solution: The process of entering data into a storage location is destructive of previous contents.