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WorksheetsDFC10033 PRACTICE SET
Total questions: 60
Worksheet time: 3600secs
State a function of an operating system.
Read the optical discs
Booting up the computer
Perform basic task
Stores temporary files for processing
Choose the CORRECT open source operating system.
Microsoft’s Windows 10
Apple’s MAC OS X 10.0
Google’s Android 6.0
Microsoft’s Windows 7 Professional
Identify the THREE (3) main concepts in relation to operating system.
Multitasking, multithreading and spooling.
Multiprogramming, caching and multithreading.
Caching,multitasking and buffering.
Multitasking, file sharing and buffering.
Identify the definition of a single processor system.
The only one process can run many time and uniprocessor systems have only a single processor.
The only one process can run at a time and any others process must wait until the CPU is free and can be rescheduled.
The only one process can run many time and it will never be more than one running process.
The only one process can run at a time and allow processes and resources to be shared dynamically.
_________ computing refers to applications and services that run on a distributed network using virtualized resources.
Distributed
Cloud
Soft
Parallel
_________ model consists of the particular types of services that you can access on a cloud computing platform.
Service
Deployment
Application
None of the mentioned
Which of the following is best known service
model ?
SaaS
IaaS
PaaS
All of the mentioned
The ________ cloud infrastructure is operated for
the exclusive use of an organization.
Public
Private
Community
All of the mentioned
Determine the CORRECT definition of green computing.
Environmentally sustainable computing or IT
It is preventive maintenance technique
Computing standard for electronic components
It is an approach for standard troubleshooting
procedure
State the
goal of green computing
i.
Reduce the use of hazardous materials
ii.
Maximize the functionality of computer devices
iii.
Maximize energy efficiency during the product
lifetime
iv.
Promote the recyclability or biodegradability of
defunct product and factory waste
i, ii and iii
i, ii and iv
i, iii and iv
ii, iii and iv
The following are an aspect to be Green Environment
EXCEPT.
Minimizing the electricity consumption of computers and other devices
Remarking or recycling unwanted electronic equipments
Designing energy efficient computers, servers,
printers and other digital devices
Maximizing waste during the manufacturing of
computers
Computer device and peripherals that are rated with the logo above are______ energy efficient
80%
70%
90%
60%
There are 4 aspect to be ‘Green’. Determine the definition of ‘Green Manufacfacturing’.
Minimizing the electricity consumption of computers and other devices
Re-marking or recycling unwanted electronic equipments
Minimizing waste during the building process of
computers and other subsystems
Designing energy efficient computers
Select the suitable definition for output device. (CLO1, C1)
Convert sound into electrical signals.
Any device that works alongside a computer.
A device that is placed into a computer.
Convert computer language into a language that the user can understand.
Define the function of address lines. (CLO1, C1)
Move data between system modules.
Designate sources or destinations of data on the data bus.
Control access to use of the data lines and address lines
Connects all the internal components of a computer to the motherboard
The “N” are the temporary memory locations within the processor that are connected by signal paths to the CPU.
Name the suitable item for “N”. (CLO1, C2)
Cache memory.
Register
Input/output device
Control unit
Cache memory sits between the CPU and the main memory. Cache is also
known as “X”. Identified “X”. (CLO1, C1
Dynamic Random Access Memory (DRAM)
Static Random Access Memory (SRAM)
Synchronous Dynamic Random Access Memory (SDRAM)
Double Data Rate SDRAM
Identify the reason to implement cache memory. (CLO1, C2)
Increase the internal memory of the system output devices
Reduce memory access and cycle time
Make difference in speed of duration of the processor and memory
Control access of data into internal memory
Identify the function of I/O module. (CLO1, C2)
Control access of the data into I/O devices
Performs the computer data processing function
Controls the operation of CPU and computer
Provides a method for transferring information between internal and external I/O devices
Identify the term that refers to the technique of increasing the speed of a processor from the specified value of its manufacturer
Multitasking
Throttling
Hyperthreading
Overclocking
Indicate which unit is used to measure the amount of resistance to the flow of current in a circuit?
Ohms
Amps
Volts
Watts
Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines?
Number of LED indicators at the front of the case
Number of CPU cores and amount of RAM
Number of storage devices attached
Number of adapter cards attached
Select a tool that can be used to reduce the risk of Electrostatic Discharge (ESD)
Floor mat
Rubber boots
Compressed air
Anti-static wrist strap
A technician is giving a safety class to new employees. Find a device that is potentially dangerous voltages and should be handled with care even if the power has been recently disconnected.
Laser printer
Wireless router
Paper shredder
CRT monitor
For which of the following types of printers should a technician obtain a maintenance kit
containing a fuser, transfer roller, and pickup rollers?
Thermal
Impact
Inkjet
Laser
A technician is assign to assemble a new personal computer, recognize a component that is connected to the motherboard with a SATA cable?
The network interface card
The optical drive
The video card
The power supply
Identify location saved BIOS configuration data stored
Hard drive
Cache
RAM
CMOS
Describe the function of the BIOS
Enables computer to connect to a network
Performes a check on all internal components
Provides a temporary data storage for the CPU
Enable computer to connect to the power supply
Recognizes the interfaces used to simultaneously transfer video and audio at high rates
HDMI
DVI-D
S-Video
DVI-I
Relate the Power-On-Self-Test (POST) with the best explanation below.
It displays an error message if it detect problems with processor, memory, disk drive, keyboard or other input output devices
Sets the computer hardware to a condition where it's ready to perform useful work
Contain the instructions and settings that the processor uses to identify and control the peripheral devices
Find and start a program that prepares the system top load the operating system
What is the next step to ensure and verify the full functionality of a mobile phone after removing a virus from the device.
Check for the latest OS patches and updates
Make a call to several numbers and test voice quality
Talk with the helpdesk of the internet provider to determine the cause of the problem
Gather information from a number of sources to clearly identify the problem
After a new PCIe video card is added, the computer seems to boot successfully but it will not display any video. The computer was working properly before the new video card was installed. What is the most likely cause of the problem?
The monitor cable is faulty.
The new video card is not compatible with the CPU in the PC
The saved CMOS settings are set to use the built-in video adapter
The PC does not have enough RAM to support the new video card
What is part of creating a preventive maintenance plan?
documenting the details and frequency of each maintenance task
performing hardware upgrades
discarding all replaced parts
performing a forensic audit of security breaches
What is the preferred method to remove a disc from an optical drive that fails to eject the disc?
Remove the top of the drive enclosure.
Use a small screwdriver and pry the drive door open.
Insert a pin into the small hole on the front of the drive
Send the drive to an authorized repair depot.
During the troubleshooting of a PC that will not boot, it is suspected that the problem is with the RAM modules. The RAM modules are removed and put into another PC, which successfully powers on. The RAM modules are then put back into the original PC and it now successfully powers on as well. What was the most likely cause of the problem?
The RAM modules have bad blocks.
The RAM modules were not seated firmly.
The RAM modules did not match the PC specs.
The RAM modules were inserted backwards into the DIMM slots.
A user has connected an external monitor to a laptop VGA port. What is the next step the user should take?
Disable the current display being used by the laptop.
Access the BIOS and enable the VGA port on the laptop.
Reboot the system so that the currently connected external display can be recognized by the laptop.
Use a Fn key along with a multi-purpose key to send video to the external display.
A user reports that images on a computer display are distorted. The technician sends an intern to look at the problem. What could the technician tell the intern to check first that does not involve hardware replacement or disassembly?
LCD backlight adjustment
display settings
work desk stability
electrical interference
Which type of data should be backed up before troubleshooting a computer for a customer?
BIOS system file
Customer's documents
Driver files for hard disk
Operating System file
An employee reports that the antivirus software cannot obtain updates. The support technician notices that the license for the software has expired. The technician adds a new license to the software and completes the update service. What should the technician do next?
Record the new license number in the log.
Download advanced antivirus software from another vendor.
Run a full virus scan on the computer.
Review the Event Viewer for the date and time that the last software update was performed.
Which two Windows utilities can be used to help maintain hard disks on computers that have had long periods of normal use?
Disk cleanup and Disk Defragmentar
Disk format and Disk partition
Disk Defragmentar and Disk format
Disk cleanup and Disk partition
How much RAM can theoretically be addressed by a 64-bit operating system?
32 GB maximum
64 GB maximum
16 GB maximum
128 GB or more*
A user notices that a PC is running slowly and exhibits a delayed response to keyboard commands. What is a probable cause of this symptom?
The video card does not support the resolution that is being used.
A recently installed device driver is incompatible with the boot controller.
A process is using most of the CPU resources
One or more program files have been deleted.
A computer has the ability to:
It has the ability to store, retrieve, and process data.
It has the ability to store, retrieve, and pastas data.
It has the ability to stage, retrieve, and process data.
Hardware is (check all that apply)
Software
Keyboard
Mouse
computer's internal parts
Software is ...
Hardware for your computer
any set of instructions that tells the hardware what to do and how to do it
all hardware components
any set of instructions for you to read
Desktop Computers have (CHECK ALL THAT APPLY)
Mouse
Computer Case
Monitor
Keyboard
Tablet computers
Are worse than computers
Are more portable than laptops
Use a keyboard
Use a mouse
Which of the following are specialized computers. (click all that apply)
house phone
smartphone
wearables (fitness trackers, smartwatches)
game consoles
A ________ plays audio output from the computer.
monitor
tower
speaker
mouse
One of the most basic things you can do with the _________ is to open a computer program or application.
computer
monitor
mouse
keyboard
Which of the following performs arithmetic, comparison and logical operation in central processing unit?
Memory
Control Unit
Secondary Storage
Arithmetic Logic Unit
These are the communication devices EXCEPT
router
hard disk
hub switch
cable modem
"RAM" stands for
Read Arithmetic Memory
Real Access Memory
Read Access Memory
Random Access Memory
Central Processing Unit (CPU) consists of
Arithmetic and logic unit
Control unit
Main store
All of above
Visual display unit is an example of
mediums
backup devices
output device
input/output devices
Keyboard and mouse are
DC devices
analogue devices
input devices
truth table devices
This is a kind of port that is used in modern monitors and home theaters. It also transmits digital audio and video.
S/PDIF
VGA
HDMI
Firewire
The following are storage devices EXCEPT FOR:
Hard Disk Drive
Random Access Memory
Flash Drive
Solid State Drive
When working with electronic equipment, it is important to make sure that there is no static electricity to avoid damage of computer parts that is why it is important to use these tools:
Compressed Air
Crimping Tool
LAN Tester
Antistatic Mat and Wrist Wrap
