Computer Fundamental Miscellaneous - Study Mode

[#21] Graphical pictures that represent an object like file, folder etc are:
Correct Answer

(C) Icons

Explanation

Solution: Graphical pictures that represent an object like file, folder etc are known as Icons . Icons are small graphical representations of programs, files, folders, and other objects on your computer. Task bar is a bar displayed on the screen that contains buttons for running programs and other controls. Windows are the rectangular areas of the screen where programs and content are displayed. Desktop is the main screen area that you see after you turn on your computer and log on to Windows. Therefore, the correct answer is Option C: Icons.

[#22] Which of the following is not an advantage of magnetic disk storage?
Correct Answer

(B) Disk storage is less expensive than tape storage

Explanation

Solution: Option B is not an advantage of magnetic disk storage because: Magnetic disk storage tends to be more expensive than magnetic tape storage, especially when comparing cost per unit of data storage. Magnetic tapes are generally used for cost-effective long-term storage and archival purposes, whereas magnetic disks offer faster access times and are used for active storage. Therefore, stating that disk storage is less expensive is incorrect, making Option B the right choice as it is not an advantage of magnetic disk storage.

[#23] The 0 and 1 in the binary numbering system are called Binary Digits or
Correct Answer

(D) Bits

Explanation

Solution: In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one). The base-2 numeral system is a positional notation with a radix of 2. Each digit is referred to as a bit.

[#24] The size of commonly used floppy disk is
Correct Answer

(B) 3.5"

Explanation

Solution: The most commonly used floppy disks are 3.5 inches and have the capacity of 800 KB to 2.8 MB (with a standard of 1.44 MB). The high-density floppy disk drive was first introduced in 1995.

[#25] The 'IC' chip, used in computers, is made of
Correct Answer

(D) Silicon

Explanation

Solution: An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon .