Name: 
 

IT Essentials obj. 1.1



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

During the startup of the system, the PnP process collects information about all the intelligent devices in the system. Where is this information stored?
a.
In the Extended System Configuration Data (ESCD) area of the CMOS RAM
c.
In the Flash portion of the BIOS extension (BIOSE)
b.
In the Flash portion of the system BIOS
d.
In the Registry of the operating system
 

 2. 

What factors must be taken into account when ordering a new power supply for a desktop PC?
a.
Form factor and wattage
c.
Voltage and form factor
b.
Total BTUs and amperage
d.
Noise and total BTUs
 

 3. 

What is the purpose of parity?
a.
To detect operating system problems     
c.
To delete corrupt files
b.
To remove bad sectors
d.
To detect memory errors
 

 4. 

What does ECC RAM do that other RAM types do not?
a.
ECC RAM stores system configuration settings
c.
ECC RAM stores cached data on the module
b.
ECC RAM detects memory errors and corrects them
d.
ECC RAM runs at twice the bus speed of other RAM types
 

 5. 

What is the capacity is specified in when you are discussing the memory capacity of a memory module?
a.
Qwords
c.
Bytes
b.
Megabits
d.
Dibits
 

 6. 

How many devices can a single USB hub support?
a.
7
c.
127
b.
15
d.
128
 

 7. 

You are helping a nontechnical user over the telephone, and you need to have the user plug in his SVGA monitor. How would you describe the connector and number of pins in the SVGA connector?
a.
15-pin, 3-row D-shell
c.
50-pin 2-row D-shell
b.
9-pin, 3-row D-shell
d.
6-pin, round mini-DIN
 

 8. 

Which one of the following types of memory can be used to permanently store data and instructions that do not change?
a.
SRAM devices
c.
Magnetic memory
b.
ROM devices
d.
SDRAM devices
 

 9. 

What is the stated clock speed for a DDR 3200 double-pumped DIMM?
a.
133 MHz
c.
233 MHz
b.
200 MHz
d.
400 MHz
 

 10. 

You have upgraded a user’s PC significantly and need to install an upgrade power supply to handle all the new equipment you’ve installed. You use the Internet to check pricing and features and find thousands of power supply listings. What specification is key in choosing a new power supply for the system?
a.
Amperage
c.
Voltage
b.
Amp hours
d.
Wattage
 

 11. 

What system board structure makes it easy to install upgrade processors in a system?
a.
A removable ROM BIOS
c.
A PGA socket
b.
A ZIF socket
d.
A PnP BIOS
 

 12. 

How many wires are there in a standard IDE signal cable?
a.
50
c.
25
b.
40
d.
8
 

 13. 

What is the mechanism in a CD-ROM/DVD drive that is responsible for positioning the drive’s Read mechanism in the correct position?
a.
collimator
c.
stepper motor
b.
spindle
d.
head actuator
 

 14. 

Which of the following devices is based on Flash memory technology
a.
SD cards
c.
Floppy disks
b.
CD-ROMs
d.
DVDs
 

 15. 

Which of the following would a high-level game player most likely choose for a video card?
a.
A 16MB PCI-X card
c.
A 256MB AGP card
b.
A 256MB PCIe card
d.
A 128MB AGP card
 

 16. 

What part of a hard disk drive (HDD) reads the information stored on a disk?
a.
The spindle
c.
The platter
b.
The R/W head mechanism
d.
The drive controller
 

 17. 

A computer system with a 1GHz CPU installed is operating at only 700MHz. What is most likely the problem?
a.
The processor is employing CPU throttling to operate more efficiently
c.
Operation of 1GHz can be obtained only if the processor is overclocked
b.
The wrong speed processor is installed on the mother board
d.
The CPU’s core speed multiplier has not been configured correctly
 

 18. 

What is a 3-1/2” floppy disk best used for?
a.
Installing OEM printer drivers
c.
Loading third-party device drivers into a Windows system
b.
Booting a failing system into Safe Mode
d.
Booting a failing system to a command prompt environment
 

 19. 

How many pins are in an SVGA connector?
a.
9
c.
25
b.
15
d.
50
 

 20. 

Which portion of the PC system is responsible for controlling the operating temperature of the microprocessor?
a.
The Processor Management portion of the PCI chipset
c.
The Processor Management portion of the operating system
b.
The Temp Management portion of the microprocessor
d.
The Health Management portion of the BIOS
 

 21. 

Which describes most accurately the use of Cache memory?
a.
increase the speed of memory access
c.
store data in nonvolatile memory
b.
increase the size of memory available to programs
d.
augment the memory used for the operating system kernel
 

 22. 

What type of device would you expect to find in an AGP slot?
a.
A sound card
c.
A network interface card
b.
An internal modem card
d.
A video adapter card
 

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 23. 

How is information stored in the system’s BIOS updated?  Select all that apply.
 a.
By physically removing and replacing the BIOS device on the system board
 c.
By electronically flashing the BIOS with new information
 b.
By replacing the RTC module so that the variable information stored in CMOS will update the BIOS on startup
 d.
By electronically removing the information from the BIOS, using new downloaded BIOS software to rewrite the BIOS, and then restoring it to the BIOS chip
 

 24. 

You have been called to upgrade a PC at a customer’s business, and no one can remember the Supervisor password to get into the machine. How can you reset this password so that you can access the system and perform the upgrade?
 a.
Remove the BIOS chip from the system.
 d.
Remove the processor from the system for several minutes
 b.
Remove the CMOS chip from the system
 e.
Short the CMOS jumper
 c.
Remove the CMOS backup battery and unplug the system from the power source for several minutes
 

Matching
 
 
grp001-1.jpg
a.
A
h.
H
b.
B
i.
I
c.
C
j.
J
d.
D
k.
K
e.
E
l.
L
f.
F
m.
M
g.
G
n.
N
 

 25. 

From the figure depicting an ATX motherboard, identify the PCIe X1 expansion slots
 

 26. 

From the figure depicting an ATX motherboard, identify the DIMM slots
 

 27. 

From the figure depicting an ATX motherboard, identify the PATA connectors
 

 28. 

From the figure depicting an ATX motherboard, identify the P1 power connector
 

 29. 

From the figure depicting an ATX motherboard, identify the chip set
 

 30. 

From the figure depicting an ATX motherboard, identify the CPU
 

 31. 

From the figure depicting an ATX motherboard, identify the PCI expansion slots
 

 32. 

From the figure depicting an ATX motherboard, identify the CMOS battery
 



 
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