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WorksheetsIntroduction to Computer System
Total questions: 25
Worksheet time: 13mins
The keyboard, mouse, monitor, and system unit are :
Hardware
Output Devices
Storage Devices
Software
Select the type of memory which integrated directly into the CPU chip to provide fast access to data.
SODIMM
SRAM
DRAM
DDR3
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.
