Google IT Support Certificate
Google-endorsed IT support fundamentals
6
Modules
150
Practice Questions
5
Field Missions
Google IT
$39one-time purchase
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Exam Details
Free Preview — Module 1
Module 1 — Technical Support Fundamentals
The IT support role is about empowering people. Master hardware architecture, binary, the OS boot process, and the service mindset that separates great technicians from average ones.
The Modern IT Support Specialist: Service and AI
Empathy first, then technical action — the five-step troubleshooting framework, documentation, and AI-augmented validation in 2026.
Hardware Architecture and the Physical Machine
CPU fetch-decode-execute cycle, RAM vs. SSD, HDD clicking = mechanical failure, thermal throttling, and the data pipeline from storage to processor.
The Binary System and Digital Representation
Bits, bytes, ASCII, Unicode, RGB color math, and why a '64GB' drive shows as '59 GiB' — the base-2 vs. base-10 reality.
Operating Systems and the Boot Process
The Kernel as resource manager, POST, UEFI/BIOS, bootloader, GUI vs. CLI, and what 'No Bootable Device Found' actually means.
Sample Practice Questions
Question 1
A user in the office calls the help desk because their computer is making a loud, rhythmic clicking sound, and the system is very slow when opening files. Which component is the most likely cause?
Rhythmic clicking sounds are the classic physical symptom of HDD head crash or mechanical failure. Thermal paste failure causes throttling but no clicking. RAM saturation causes slowness but is silent. BIOS issues prevent booting entirely.
Question 2
You are explaining 'volatile memory' to a junior technician. Which scenario best describes a characteristic of volatile memory like RAM?
Volatile memory (RAM) loses all data the moment power is removed. Option A describes ROM; option B describes non-volatile storage like an SSD; option D describes optical media like a DVD.
Question 3
A computer successfully passes the POST but then displays 'No Bootable Device Found.' Which part of the boot process is failing?
A successful POST means hardware is fine. 'No Bootable Device' means the firmware cannot find the bootloader software on the drive. CPU/RAM failures would cause a failed POST (beep codes). A Kernel panic occurs after the bootloader starts.
Full course includes 6 modules, 150 practice questions, and 5 field missions.
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