Computer Fundamental Miscellaneous - Study Mode

[#1111] A magnetic storage device on which data is stored on a cylindrical drum, subdivided into tracks is known as
Correct Answer

(D) Drum

Explanation

Solution: A magnetic drum is a magnetic storage device used in many early computers as the main working memory, similar to how modern computers use random access memory (RAM) cards. In some cases, magnetic drum memory was also used for secondary storage.

[#1112] The number of bits that are typically stored on each track of a magnetic disk is usually
Correct Answer

(A) the same

Explanation

Solution: The number of bits that are typically stored on each track of a magnetic disk is usually the same. There is two types of storage devices used with computers: a primary storage device, such as RAM, and a secondary storage device, such as a hard drive. Secondary storage can be removable, internal or external.

[#1113] The silicon chips used for data processing are called
Correct Answer

(C) Micro processor

Explanation

Solution: The silicon chips used for data processing are called Micro processor. A silicon chip is an integrated circuit made primarily of silicon. Silicon is one of the most common substances used to develop computer chips.

[#1114] The code that should be adequate for present and anticipated data processing both for machine and human use is
Correct Answer

(C) Operability

Explanation

Solution: The code that should be adequate for present and anticipated data processing both for machine and human use is Operability. Operability is the ability to keep a piece of equipment, a system or a whole industrial installation in a safe and reliable functioning condition, according to pre-defined operational requirements.

[#1115] What is the number of bit patterns provided by a 7-bit code?
Correct Answer

(B) 128

Explanation

Solution: Number of bit patterns provided by a 7 bit code 2 7 = 128. It is based on Binary Number System (0 or 1).