c# barcode scanner api Objective 503: Troubleshooting CPUs in Software

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Objective 503: Troubleshooting CPUs
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REVIEW QUESTIONS
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1 Which component inside the CPU holds data before and after processing A B C D ALU FPU Pipeline Registers
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2 Which component inside the CPU is the primary processing component A B C D ALU FPU Pipeline Registers
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3 What type of memory is an L1 cache A DRAM B ROM
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C SRAM D VRAM 4 Which component sets the clock speed of the motherboard A B C D A B C D Cache CPU System crystal ZIF crystal EGA SVGA PGA VGA
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5 What form factor do modern CPUs have
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6 What function enables motherboards to set up BIOS for CPUs automatically A B C D A B C D BIOS CPUID CPUNow! Processor ID Dual-core Hyper-threading Multicore Z-core
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7 What technology enables a single-core CPU to appear as two CPUs
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8 The Intel Core Duo is an example of what sort of processor (Select two) A B C D Dual-core Hyper-threaded Mobile SEC
9 Which of the following must you do to install a CPU successfully A Align the orientation marks on the CPU with the marks on the socket B Push hard to seat the CPU properly
CHAPTER 5 CPUs
C Lift the socket arm to lock the CPU into place D Plug in the power cable 10 Which tool would help attach or remove a heatsink and fan assembly A B C D Knife Phillips-head screwdriver Straight-slot screwdriver Torx wrench
11 Intentionally increasing the clock speed of a CPU beyond the manufacturer s recommendation is called ______________ A B C D CMOS clear Overclocking SpeedStep Underclocking
12 John installed a new CPU When he boots the system, it comes up for a few seconds and then shuts down What could be the problem A B C D John forgot to plug in the fan and the CPU is overheating John installed an AMD CPU in an Intel motherboard John installed an Intel CPU in an AMD motherboard John failed to raise the arm on the socket to lock down the CPU
REVIEW ANSWERS
1 2 3 4 5 6 7 8 9 The registers hold data before and after processing The arithmetic logic unit (ALU) handles the primary processing duties The L1 cache uses SRAM They system crystal sets the motherboard clock speed Modern CPUs use the pin grid array (PGA) form factor The motherboard scans the CPUID to set up BIOS automatically Hyper-threading makes a single CPU appear to be a dual-core CPU The Intel Core Duo is a dual-core mobile CPU To install a CPU, align the orientation marks on the CPU with the marks on the socket
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10 11 12
A straight-slot screwdriver is an essential tool for most heatsink and fan installation or removal Although you might need to use the CMOS clear jumper in case it fails, overclocking is the term for cranking up your CPU speed Starting and closing down at boot is a classic sign of overheating Plug in that fan!
ITINERARY
RAM Overview Handling and Installing RAM Troubleshooting RAM Errors
Objective 601 Objective 602 Objective 603
NEWBIE
15 hours
SOME EXPERIENCE
1 hour
EXPERT
45 minutes
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PC users are curious people, and before long one of them is going to ask you, the learned PC tech, Where do my programs actually run Without hesitation, you might answer, In your system RAM, of course! If you re like most techs, you might continue to talk about how RAM works until her eyes glaze over and she asks you to go away Many PC users are under the misapprehension that programs run directly off of the PC s hard drive This is, of course, impossible, because even the fastest hard drive simply can t keep up with even the slowest CPU Instead, programs must be copied to a super-fast medium that s capable of supplying the CPU with the data that it needs to run an application at a speed that it can use: this is the function of RAM Launching an application loads the necessary files from the hard disk into RAM, where the CPU can grab the specific data that it needs to run the program Not long ago, RAM was a precious commodity in the PC world, and even a small upgrade would set you back hundreds of dollars Things have changed dramatically for the better, so nowadays adding more RAM is often the best upgrade option for a sluggish PC This doesn t mean that you can just grab any type of RAM that you can get your hands on and stick it in your system You ve got to match the motherboard with the right type of RAM, running at the right speed In most cases, installing RAM is literally a snap, but don t take the installation procedure for granted RAM is perhaps the most sensitive component on the system when it comes to the dreaded electrostatic discharge (ESD) Safe handling is absolutely vital Once you ve successfully installed RAM, you may find that your work isn t done Memory errors come in many shapes and sizes, and when things go wrong with RAM, you can pretty much plan on canceling any appointments you had for the rest of the day if you don t know what to do In this chapter, you ll learn how to identify types of RAM, how to handle RAM safely, how to install RAM correctly, what to look for when you suspect a RAM error, and what steps you can take to correct RAM errors
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