CompTIA A+ Certification Core 1 (220-1101) - Introduction to Mass Storage

The video tutorial covers the basics of storage devices, including optical media, hard drives, and SSDs. It explains the concept of Logical Block Addressing (LBA) and its importance in interfacing between operating systems and storage devices. The tutorial also delves into the differences between decimal and binary counting systems, highlighting the confusion that can arise from these two methods. Finally, it discusses the physical sizes of various storage devices, such as 5.25-inch, 3.5-inch, and 2.5-inch formats, as well as the m.2 format for solid-state drives.

Which of the following is NOT a type of storage device mentioned in the video?

• Hard drive

• Optical media

• Solid-state drive

• Magnetic tape

What is the primary function of Logical Block Addressing (LBA)?

• To serve as an interface between the operating system and storage devices

• To increase the speed of data transfer

• To compress data for storage

• To encrypt data on the storage device

How does LBA allocate storage for a large file?

• By encrypting the file

• By allocating the necessary number of blocks

• By dividing the file into sectors

• By compressing the file

What is the main difference between decimal and binary counting systems in terms of storage?

• Decimal is used for text files, binary for video files

• Decimal counts in base 10, binary in base 2

• Decimal is faster than binary

• Binary is more accurate than decimal

In binary counting, what does 2 to the 10th power represent?

• A kilo

• A Kibibyte

• A Mebibyte

• A Gigabyte

Why might a 4 terabyte hard drive show a different capacity on a computer?

• The computer has a virus

• The drive is not fully formatted

• The computer uses a different counting system

• The drive is faulty

Which of the following is a correct match between decimal and binary terms?

• Tera and Mebibyte

• Mega and Kibibyte

• Giga and Gibibyte

• Kilo and Mebi

What is the width of a 5 1/4 inch storage device?

• 5 inches

• 5.25 inches

• 5.5 inches

• 6 inches

Which storage format is most commonly used for solid-state devices today?

• 3 1/2 inch

• 5 1/4 inch

• m.2

• 2 1/2 inch

What was the original purpose of the 2 1/2 inch storage format?

• For server systems

• For laptops and mobile devices

• For desktop computers

• For gaming consoles