Comptia A+ Certification Practice Test 1
(Exam 220-901) Questions and Answers
100% Pass
True or False
The main functionality of the Basic Input/Output System (BIOS) is to perform the initial
hardware checks after the computer is powered on and start up the operating system. -
ANS True
What two things can be used by an Operating System to communicate with hardware? -
ANS Device Drivers
System BIOS
In modern PCs, the procedure of replacing BIOS contents is sometimes referred to as: -
ANS Flashing the BIOS
BIOS updates are performed in order to - ANS Fix known programming errors in the current
BIOS
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Repair damaged BIOS
Provide support for new types of attached hardware
What are the terms that refer to BIOS types that can be updated without removing the BIOS
chip from a motherboard? - ANS EEPROM
Flash Memory
Which Microsoft Windows OS utility can be used to view basic information about computer's
BIOS? - ANS MSINFO32.exe
True or False
Power failure during BIOS upgrade can be the cause of irreversible damage to the computer
system. - ANS True
After a normal system shutdown, when the computer is turned off, contents of the memory
used to store BIOS settings are: - ANS Retained
What is the acronym that refers to a series of basic hardware diagnostic tests performed by the
startup BIOS after the computer is powered on? - ANS POST (Power On Self Test)
After replacing a modular hardware component inside computer case, the updated information
about specific parameters of the new device can be stored in: - ANS CMOS RAM
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