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NBRC TMC RRT exam 1 review test bank with
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As part of tech security, a technician loans a laptop to employees when they conduct business travel, and upon
return of the device, the technician reformats the drive and reloads the operating system and all relevant
software. After several years of following this process, the laptop becomes sluggish or freezes up. What
component is likely causing this type of computer behavior?
A. Motherboard
B. SSD
C. RAM
D. CDs - Correct Answer :SSD
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Solid-state drives (SSDs) use flash chips that are susceptible to a type of degradation over the course of many
write operations which would cause the laptop to be sluggish and freeze.
A student is learning about computer hardware and the instructor selects them to identify the component that
executes program instruction code. How should the student respond?
A. CPU
B. RAM
C. Cache
D. HDD - Correct Answer :CPU
The student should respond with CPU, or central processing unit. The CPU in a computing device executes the
program instruction code.
A hardware technician installed a new power supply unit (PSU) in a workstation and removed any unnecessary
power connector cables. What type of PSU did the technician install?
A. Modular
B. Redundant
C. ATX
D. ATX12V - Correct Answer :Modular
The hardware technician is installing a modular PSU which has detachable power connector cables that allow
the technician to reduce the number of cables to the minimum required.
A hardware technician is inspecting the notches on a dual inline memory module (DIMM) edge. What will the
notches on the edge connector help the hardware technician determine? (Select all that apply.)
A. The DDR generation
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B. If it is compatible with the slot
C. How to insert it properly
D. If it has a heat sink - Correct Answer :The DDR generation
The notches on a DIMM's edge connector help the hardware technician identify the double data rate (DDR)
generation (DDR3/DDR4/DDR5).
If it is compatible with the slot.
The notches on a DIMM's edge connector help prevent the hardware technician from inserting the DIMM into
an incompatible slot.
How to insert it properly.
The notches on a DIMM's edge connector help prevent the hardware technician from inserting the DIMM into a
slot the wrong way around.
Which of the following central processing unit (CPU) architectures implements a system-on-chip (SoC) where all
the controllers, including video, sound, networking, and storage, are part of the CPU?
A. IA-32
B. x86
C. x64
D. ARM - Correct Answer :ARM
Advanced RISC Machine (ARM) designs implement an SoC which means that all the controllers, including video,
sound, networking, and storage, are part of the CPU.
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A hardware technician is purchasing more servers for an organization and needs to ensure the power supply
units in the data center have the correct output to support them. What is a power supply unit's output capability
measured as?
A. Power
B. Voltage
C. Energy star
D. Wattage rating - Correct Answer :Wattage rating
The wattage rating is the measurement of the power supply unit's output capability. Servers have units rated
over 300 W to meet the demands of multiple CPUs, additional memory modules, etc.
A software developer is creating an application that will run multiple parallel threads through the central
processing unit (CPU) at the same time to reduce the amount of "idle time" the CPU spends waiting for new
instructions to process. What type of process is the developer taking advantage of?
A. Multi-socket
B. Multithreading
C. Multicore
D. Processor extensions - Correct Answer :Multithreading
The developer is taking advantage of multithreading which is when software runs multiple parallel threads
through the CPU at the same time to reduce "idle time."
To mitigate the heat a high-end gaming system will generate, an engineer is using a liquid-based cooling system
in the design. Which of the following components are NOT a part of an open-loop, liquid-based cooling system?
A. Fans
B. Traditional heat sinks
C. Water blocks
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