010-160 Hardware and Operating Systems 3

Question 1

What type of storage device uses NAND flash memory and has no moving parts?

Accepted Answer

SSD (Solid State Drive)

Answer

SSDs use NAND flash memory chips with no mechanical parts, making them faster and more durable than traditional hard drives.

Question 2

Which directory in a Linux system typically contains device files for hardware devices?

Accepted Answer

/dev

Answer

/dev contains device files (special files) that represent hardware devices such as disks, terminals, and printers.

Question 3

What does the command 'free -h' display?

Accepted Answer

RAM and swap memory usage in human-readable format

Answer

free -h displays RAM and swap memory statistics in human-readable format using units like MB and GB.

Question 4

What is the role of a device driver in Linux?

Accepted Answer

A kernel module that allows the OS to communicate with hardware

Answer

A device driver is a kernel module that provides an interface between the operating system and a specific hardware device.

Question 5

Which command shows USB devices currently connected to the system?

Accepted Answer

lsusb

Answer

lsusb lists USB buses and the devices connected to them, displaying vendor/product IDs and descriptions.

(010-160) LPI Linux Essentials Practice Test