010-160 Hardware and Operating Systems 2

Question 1

Which command displays detailed information about the CPU, including its architecture and number of cores?

Accepted Answer

lscpu

Answer

lscpu reads CPU architecture information from sysfs and /proc/cpuinfo and displays it in a readable format.

Question 2

What does the acronym BIOS stand for?

Accepted Answer

Basic Input/Output System

Answer

BIOS stands for Basic Input/Output System, the firmware that initializes hardware during the boot process.

Question 3

Which file in the /proc filesystem contains information about the system's memory usage?

Accepted Answer

/proc/meminfo

Answer

/proc/meminfo provides real-time information about the system's memory usage including total, free, and cached memory.

Question 4

What is the primary function of the kernel in an operating system?

Accepted Answer

Manage hardware resources and provide services to applications

Answer

The kernel manages hardware resources such as CPU, memory, and devices, and provides a layer of abstraction for applications.

Question 5

Which bus type is commonly used to connect expansion cards such as GPUs to a modern motherboard?

Accepted Answer

PCI Express (PCIe)

Answer

PCI Express (PCIe) is the modern standard for connecting expansion cards including GPUs, SSDs, and network cards to a motherboard.

(010-160) LPI Linux Essentials Practice Test