EXAM REVIEW HARDWARE FUNDAMENTALS
enabled
2 and 1 together
Throttling
A 2GHz laptop is running at 1.2GHz. This is an example of
Straight down into the socket
A DIMM is installed .
Swapping parts
A PC technician would most frequently rely upon which procedure to repair a PC?
security policy
A ________ is a document that provides rules and guidelines for security.
L3 cache
A computer with cache built in to the microprocessor plus memory built in to the processor packaging may have additional cache memory on the motherboard called:
2,2
A hard drive platter typically has _______ surfaces and _______ read/write heads.
SATA
A laptop normally has a _______ type of hard drive installed.
0 ohms
A meter reading for a good cable wire shows
thermal compound
A new CPU is being installed. What is applied directly to the CPU to attach a heat sink?
EMI
A noise produced by electrical device is
IRQ
A number assigned to expansion adapters or ports so that the CPU can prioritize between two (or more) devices that need attention is a(n)
POST
A physical problem with a memory chip will often cause a(n) ________ error.
USB
A printer that physically attaches to a PC normally connects to a ________ port
patch
A service release is also called a
DSL
A technology that can transmit data over a traditional voice line is
Motherboards
ATX, NLX, FlexATX, and BTX are terms associated with
In the CMOS chip
After the system Setup configuration is set, where is the information saved?
Establish a theory of probable cause
After you determine that there is indeed a computer problem, what is the next step?
30
An electronic component can be damaged with as little as_________volts of static electricity.
increase
As the size of the bus increases, the performance of the computer should
Have an impact on computer speed
Buses, pipelines, cache, and word size
Amps
Current is measured in
Mice and Keyboards
DIN connectors are typically found on
Memory
DIP, DIMM, SIMM, and RIMM are terms associated with types of
External data bus; internal data bus
Data moves toward and away from the CPU on the ________, whereas data travels inside the CPU on the ________.
Flash media cards
Digital cameras and voice or sound devices are supported by
Requires matched modules
Dual-channeling
ElectroMagnetic Interference
EMI stands for
ElectroStatic Discharge
ESD stands for
True
Every device must have a unique I/O address
AGP, PCI, and PCI -E
Expansion slots commonly found today include
computer technician
Experience, knowledge of the basic hardware components, and a logical mind are characteristics associated with a
POST
Hardware is checked out sequentially by the
POST obtains the list of hardware that is supposed to be in the computer from the settings stored in CMOS.
How does POST know which hardware components to test?
7
How many pins are on a SATA IDE motherboard connector?
Cylinder; tracks
In a hard drive, a _____ contains multiple _____.
All these are reasons to re-create a computer problem.
It is important to re-create a problem because
Intel, Motorola, AMD
Major microprocessor manufacturers are
operating systems
Mandrake, iOS, Windows XP, and OS X are all examples of
1.) G 2.) E 3.) H 4.) I 5.) A 6.) C 7.) F 8.) B 9.) D
Match the part to the description. Hard drive ________ Power supply ________ Mouse ________ Adapter ________ RAM ________ Motherboard ________ Docking station ________ LCD ________ BIOS ________ A. Memory B. Laptop screen C. Holds processor and memory D. Contains firmware E. Outputs DC F. Tower computer expansion G. Large storage device H. Input device I. Laptop expansion
1.) F 2.) D 3.) C 4.) B 5.) A 6.) E 7.) G 8.) H
Match the port to the description. Ethernet ________ CRT monitor ________ Flat screen ________ USB ________ Serial ________ Parallel ________ Modem__________ PS/2 mouse ________ A. 9-pin male B. Type A C. DVI D. 15-pin female E. 25-pin female F. RJ-45 G. RJ-11 H. DIN
software
Microsoft Server, Windows 7, Acrobat Reader, Flash Player, Microsoft Word, WordPerfect, and Lotus 1-2-3 are all examples of
DIMMS
Most motherboards use ________ for RAM.
heat sink
Number 1 is a
Open System Interconnect
OSI is an acronym for
Refreshing
Over time, DRAM chips lose their charge. The process of rewriting the information is called
BIOS chip
POST is executed by the
Radio Frequency Interference
RFI stands for
Ohms
Resistance is measured in
Partitioning
Subdividing a hard drive into two or more subunits is called
I/O address
The ________ enables a device and the processor to exchange data.
Motherboard
The ________ holds most of the electronics, expansion slots, and memory.
BIOS
The audio beeps heard during the boot process are caused by the
All these answers are functions performed by the operating system.
The operating system does which one of the following?
Accepts data and commands from the computer and translates commands into motion
The print engine is the subsystem that
TCP/IP
The protocol suite used for Internet connectivity is
A cluster
The smallest amount of space reserved for one file on a hard drive is called
network port
This is commonly called a
Vacuuming the computer, cleaning CD/DVD laser, and using urethane swabs to clean between the keys on a keyboard
Three common tasks performed during preventive maintenance include
Fiber optic, twisted-pair, coaxial
Three types of network media are
BIOS
Through what utility would a technician verify whether a motherboard eSATA port is disabled or enabled?
Encryption
To protect data so it cannot be easily read, what technology is used?
Hard drive
Virtual memory uses the _______ to enhance the memory capabilities of the computer.
Task Manager
What Windows utility is used to determine the amount of available RAM?
Windows Memory Diagnostic Tool
What Windows utility normally automatically starts but can be manually invoked when a memory error occurs?
The device is disabled.
What does an X or a little down arrow mean in Device Manager?
Times data is sent in one clock cycle
What does this represent?
PCIe
What expansion slot replaced AGP?
The loss of date and time on a computer
What is one indication a battery is beginning to fail?
Converts AC to DC
What is one of the main functions of a power supply?
It enables changing the BIOS by using an update file instead of having to install a new chip.
What is the advantage of using Flash BIOS?
The motherboard documentation
What is the best source for looking up a particular POST error code?
The Program Files folder
What is the default location for 64-bit application files in Windows 7?
The SATA 3 device transmits data faster.
What is the difference between a SATA 2 and a SATA 3 hard drive?
It deletes temp files, empties the Recycle Bin, and compresses files that are not used.
What is the purpose of the Disk Cleanup tool?
SPD
What memory feature enables the BIOS to determine exact details about the memory module?
The highest
What meter setting should be used initially when measuring an unknown voltage?
Domain
What network environment has centralized servers for authentication?
Ensure the rest of the computer is operational.
What step should be done after a hardware component has been replaced?
Virtualization
What technology enables one computer to operate as if it were two or three computers?
Start with the first error detected.
When multiple POST errors occur, the technician should
cabling
When powering on a computer, you notice that the hard drive does not spin. What will you check?
DIMM
Which memory packaging is most commonly used for today's workstation memory modules?
surge protcector
Which of the following devices does NOT protect in an undervoltage condition?
Disable virtual memory.
Which of the following does NOT help with memory management?
All these could help.
Which of the following helps determine whether a problem is hardware or software?
Logitech
Which of the following is NOT a major manufacturer of BIOS chips?
Provide current to the monitor.
Which of the following is NOT a purpose for the power supply?
Config.Sys
Which of the following is NOT an operating system?
Modem
Which of the following is a serial device used even today?
Virtual memory
Which of the following memory types has the slowest access?
Mini PCI
Which standard enables PCI laptop upgrades via a motherboard expansion slot?
Fat, exFat, NTSF
Which three of the following are files systems?
L1
Which type of cache memory is used first by the CPU if possible?
Server
Which type of computer would most likely use ECC memory?
SSD
Which type of storage device would be best to place in a device for a 4-year-old?
The dirt and grease from your fingers can collect on the contacts.
You should avoid touching the adapter contacts because
Faulty Power Supply
You turn your computer on and nothing happens. The computer light is off. You check the fan and it is running. Which of the following is a likely source of the problem?
Keyboard port
what is the purple one?