PC Support Final Exam 3rd QTR

PC Support Final Exam 3rd QTR
Read each question and answer completely.

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The speed is represented in MHz and is also referred to as the processor. (1 point)

True
False

A service is a program that processes requests from other applications or users. Services can start automatically or they might be constantly running in the background, waiting for service requests. So when disabled, the service will run automatically. (1 point)

True
False

An uninterruptible power supply is an offline device that is constantly providing battery power to the computer and being recharged by the wall outlet (1 point)

True
False

Blu-ray uses a blue laser instead of the red laser used with CDs and DVDs. The blue laser light has a shorter wavelength, which allows data to be packed more tightly on the disc. (1 point)

True
False

The process size refers to the manufacturing process used to etch transistors onto the silicon wafer that will become the CPU. (1 point)

True
False

An ATX power supply provides soft power. This is a condition where the motherboard always has power, even when the computer is turned off. This feature enables the operating system to power off the system and enables other features such as power on for network or other events. (1 point)

True
False

Which is not a characteristic of DRAM? (1 point)

DRAM is used in the sub-system memory on a computer.
DRAM is relatively inexpensive.
DRAM is simple to implement.
DRAM can have a very high density (i.e. high storage capacity).

The BIOS chip is firmware (hardware hard-coded with software) attached to the motherboard and is essential in booting the computer. (1 point)

True
False

Good communication skills are essential when communicating with customers and colleagues. (1 point)

True
False

Power supplies are rated in amps. (1 point)

True
False

Power supplies must be matched to the motherboard and case form factor. (1 point)

True
False

The Microsoft Management Console (MMC) is a framework that provides a common user interface for performing system administration tasks. (1 point)

True
False

Which is not part of the description of multiple core processor has multiple processors within a single processor package. (1 point)

Dual-core, triple-core, and quad-core processors are typical in desktop systems.
As a general rule, a processor with more cache performs better than a processor with less cache (all other things being equal).
Some applications can be written to execute on multiple processors at the same time.
Older motherboards had two (or more) processor sockets to provide a multiple processor solution. Newer multi-core processors use a single motherboard socket to support multiple processors.

A 32-bit processor can process 32-bits of information at a time; a 64-bit processor can process 64-bits of information. (1 point)

True
False

Match the RAM Standard with the description. (1 point per match)

	SDRAM	A. Four consecutive 64-bit words per bus clock cycle.
	DDR	B. Data must pass from one memory module to the next in line.
	DDR2	C. Accepts one command and one data set per clock cycle.
	DDR3	D. Synchronized with the system clock and accept 64-bit words.
	RDRAM	E. Operates at 1.5 volts at bus frequencies between 400-1000 MHz.

Which is not a part of the Control Panel description? (1 point)

Use the Performance tab to view system-wide processor and memory statistics.
Use Fonts to view, remove, or add to all fonts that are currently installed on the computer.
Use Scanners and Cameras to view, configure, add, or remove scanners and cameras.
Use Accessibility to modify the behavior of input and display devices to accommodate users with special needs.

Match the Form Factor with one of it's proper characteristics. (1 point per match)

	ATX	A. Maximum size of 9.6" x 9.6"
	Mini-ATX	B. The processor is at the front and turned on an angle to increase air flow across the processor.
	Micro-ATX	C. Measures 12" x 9.6"
	Mini-ITX	D. Measures 11.2" x 8.2"
	NLX	E. Uses a riser card in the middle of the system board (expansion slots are located on the riser card rather than the system board).
	BTX	F. Maximum motherboard size of 6.7" x 6.7"

Which of the following is not considered an important aspect for a proper environment. (1 point)

Heating, ventilation, and air conditioning.
Computer furniture.
Interference.
Magnetic Field.

An operating system is a set of programs that acts as an interface between the applications that are running on a computer and the computer's hardware. (1 point)

True
False

Which is not a function/characteristic of expansion slots? (1 point)

Industry Standard Architecture
Enabling or disabling onboard components
Accelerated Graphics Port
Peripheral Component Interconnect

You should always discharge the power supply prior to disposal. (1 point)

True
False

Which is not a function/characteristic of a Jumper? (1 point)

Clearing the CMOS settings
Clearing the user password
Setting the CPU bus speed on the motherboard
Clearing the CMOS password

Static electricity is the accumulation of an electric charge on a grounded object. (1 point)

True
False

Often the hardest part of troubleshooting is to reproduce the problem. (1 point)

True
False

Which is not an Input Device? (1 point)

Barcode Reader
Keyboard
Touchscreen
Flashdrive

DVD (Digital Video Disc or Digital Versatile Disc) is an optical media standard that can be used to store large amounts of different types of data (computer data, video, audio). (1 point)

True
False

Which is not a characteristic of Virtualization? (1 point)

Is often used in mobile processors to change the operating frequency to minimize power consumption and heat output.
VMware is the most popular virtualization solution.
Is performed by adding a layer between the physical system and the operating system.
Specific hardware support in the CPU is required.

The CMOS battery supplies power to the CMOS to retain system settings used by the BIOS during system boot. (1 point)

True
False

Which is not a Memory Characteristic? (1 point)

Tracability
Frequency
Error Correction
Capacity

Match the power problem with the description. (5 points per match)

	Surge	A. Under voltage that lasts milliseconds
	Spike	B. Over voltage that lasts seconds
	Sag	C. Under voltage that seconds (lights dim)
	Brownout	D. Over voltage that last milliseconds
	Blackout	E. Complete power failure.

Match the storage device with part of it's description. (1 point per match)

	Floppy Disk	A. They have a small capacity
	Hard Disk	B. They have no moving parts so they last longer
	Optical Disc	C. A thick magnetic disk encased in a thicker protective shell.
	Solid State Drives	D. Uses lasers for both reading and writing information.
	Tape Drives	E. Data must be read from tape sequentially.

Which is not an input device. (1 point)

Flash Drive
keyboard
Touchscreen
Mouse

Which of the following is not one of the first impressions by a customer to make their experience a more positive one? (1 point)

Do not converse with the customer.
Be on time.
Give realistic expectation for completion of work.
Dress appropriately.

Which is not part of the description of the Task Manager? (1 point)

Use Regional and Language settings to configure various settings such as language preference, default currency symbols, and date and time notation.
Use the Applications tab to view the status of all current applications running on the computer. Use this tab to terminate unresponsive applications.
Use the Performance tab to view system-wide processor and memory statistics.
Use the Networking tab to view and monitor the status of the current network connections.

A standby power supply is an offline device that switches over to provide power when an under voltage occurs. If the switchover is not fast enough, the computer loses power. (1 point)

True
False

Which is not a part of the troubleshooting process? (1 point)

Identify possible causes and identify a theory of a probable cause.
After the problem is fixed, ensure the customer's satisfaction, no need to explain what you did to fix the problem, they won't understand anyway.
Identify the problem.
Before making changes to the system, back up user and system data

Personal safety should be your top priority when working with computer components. Which is not one of the priorities. (1 point)

Before handling a system component, make sure that it is powered off and that the main power cord is unplugged from the wall socket.
Anti-static wrist straps not only protect components, but can reduce the chance of accidental electrical shock. Properly ground yourself before working with components.
After turning off a computer, allow components to cool sufficiently before servicing to prevent burns.
You always use a grounding strap when working with monitors, power supplies, laptop LCD panels, or other high-voltage components.

Match the component with the description. (1 point per match)

	Partition	A. Made up of the directory path plus the file name.
	Volume	B. Logical division of a storage device associated with a hard disk drive.
	Directory	C. Logically sort and organize data to keep related files grouped together.
	File	D. A single accessible storage area within a file system.