Question

Difficulty: MediumCPU Architecture Cooling and Sockets

An IT technician is reviewing system performance specifications and hardware features for a workstation deployment. Match each CPU architecture or cooling feature on the left with its primary operational function or technical characteristic on the right.

  • Zero Insertion Force (ZIF) SocketUses a mechanical lever arm to secure a processor in place without requiring physical downward pressure during insertion.
  • Hyper-Threading (SMT)Allows a single physical CPU core to schedule and execute two concurrent processing threads to improve pipeline efficiency.
  • Thermal ThrottlingAutomatically decreases operating voltage and clock frequency when chip temperatures reach critical safety limits.
  • PWM CPU Fan ControlDynamically adjusts cooling fan rotational speeds based on temperature feedback via a 4-pin motherboard header.

Answer

Zero Insertion Force (ZIF) Socket pairs with mechanical lever arm securing PGA processors without insertion pressure; Hyper-Threading (SMT) pairs with executing two concurrent processing threads per physical core; Thermal Throttling pairs with automatically decreasing operating voltage and clock frequency during critical heat; PWM CPU Fan Control pairs with dynamically adjusting fan speed via a 4-pin header.
Zero Insertion Force (ZIF) uses a lever arm to lock PGA pins without insertion force. Hyper-Threading (SMT) duplicates architectural state per core to run two logical threads. Thermal Throttling dynamically drops core frequency and voltage when temperatures cross critical thresholds. PWM CPU Fan Control relies on a 4-pin header signal to regulate fan speed based on thermal feedback.

Step-by-Step Solution

1
Identify the socket locking mechanism feature.
Zero Insertion Force (ZIF) sockets correspond to the lever arm mechanism that secures Pin Grid Array (PGA) processors without pushing down on the chip pins during installation.
ZIF eliminates the risk of bending processor pins during socket insertion.
2
Analyze the core architectural multithreading feature.
Hyper-Threading / SMT corresponds to presenting two logical execution threads for every single physical core to improve CPU execution pipeline efficiency.
This allows the operating system to schedule tasks concurrently on duplicated architectural registers per core.
3
Identify the thermal protection mechanism.
Thermal Throttling matches the automatic reduction of clock speed and core voltage when internal temperature sensors detect unsafe operational heat.
Throttling prevents silicon breakdown and unplanned thermal shutdowns by lowering dynamic power draw.
4
Determine the cooling fan regulation technology.
PWM Fan Control matches the dynamic adjustment of fan RPM using the fourth line of a 4-pin motherboard fan connector.
Standard 3-pin headers regulate voltage, while 4-pin PWM headers use continuous high-frequency pulse modulation signals.

Key Concept

CPU Sockets, Core Multithreading, and Thermal Management Technologies
Estimated Time:1m 15s
Rate this question