Comptia A+ Q&A fully answered
Storage, Input, Processing, Output, Storage - (correct answer)Computers use these 5
steps to operate.
System Unit - (correct answer)The full enclosure system that holds the motherboard,
RAM, GPU, PSU, harddrives, cooling, etc.
Monitor - (correct answer)This is a peripheral of the system unit, used to display output
to the user via a readable and/or interactive interface.
Keyboard - (correct answer)This is a peripheral of the system unit, used for input from
the user. It has many keys available to input in the form of alphabets, numerals, and
symbols.
Mouse - (correct answer)This is a peripheral of the system unit, used for input from the
user in the form of a handheld device that is moved around on top of a surface. It is
used to interact with the monitor. It moves a pointer on the screen.
Speaker - (correct answer)This is a peripheral of the system unit, used for auditory
output to the user.
Printer - (correct answer)This is a peripheral of the system unit, used to create hardcopy
data. Some types of these may also have built-in scanners, and/or fax. It is an output
device.
Scanner - (correct answer)This is a peripheral of the system unit, used to create
softcopies of hardcopy data. It is an input device.
USB - (correct answer)This port comes in 3 different flavors and supports plug and play.
It is one of the most common port types today, replacing the older ports.
, Ethernet - (correct answer)This port is used primarily with wired networks, using an 8-
pin RJ-45 connector.
ESATA - (correct answer)This port is used almost exclusively with external hard drives.
S/PDIF - (correct answer)This port is supported by fiber optic cabling, occasionally by a
coaxial-type connector that screws on. It is used for audio transfer.
DVI - (correct answer)This port is used for monitors or projectors.
HDMI - (correct answer)This port is used for both audio and video, connecting to
televisions or any type of media receiver.
1/8 inch mini RCA jack - (correct answer)Used as direct links to microphones or
speakers, they are small round jacks used for audio transfer.
Power - (correct answer)This plug is located on the back of a PSU, used to transfer
power from a wall socket to the PC.
Firewire - (correct answer)A declining connector, this plug is mainly used in camcorders
for video/audio transfer.
mini DIN - (correct answer)A legacy connector, this connector is used for mouse and
keyboard inputs. May also be referred to as PS/2 connector, named after the first PC
that used them.
9 pin DB - (correct answer)A legacy connector with a D sub serial port, it was used with
an adapter to support mice, keyboards, printers, etc.
Storage, Input, Processing, Output, Storage - (correct answer)Computers use these 5
steps to operate.
System Unit - (correct answer)The full enclosure system that holds the motherboard,
RAM, GPU, PSU, harddrives, cooling, etc.
Monitor - (correct answer)This is a peripheral of the system unit, used to display output
to the user via a readable and/or interactive interface.
Keyboard - (correct answer)This is a peripheral of the system unit, used for input from
the user. It has many keys available to input in the form of alphabets, numerals, and
symbols.
Mouse - (correct answer)This is a peripheral of the system unit, used for input from the
user in the form of a handheld device that is moved around on top of a surface. It is
used to interact with the monitor. It moves a pointer on the screen.
Speaker - (correct answer)This is a peripheral of the system unit, used for auditory
output to the user.
Printer - (correct answer)This is a peripheral of the system unit, used to create hardcopy
data. Some types of these may also have built-in scanners, and/or fax. It is an output
device.
Scanner - (correct answer)This is a peripheral of the system unit, used to create
softcopies of hardcopy data. It is an input device.
USB - (correct answer)This port comes in 3 different flavors and supports plug and play.
It is one of the most common port types today, replacing the older ports.
, Ethernet - (correct answer)This port is used primarily with wired networks, using an 8-
pin RJ-45 connector.
ESATA - (correct answer)This port is used almost exclusively with external hard drives.
S/PDIF - (correct answer)This port is supported by fiber optic cabling, occasionally by a
coaxial-type connector that screws on. It is used for audio transfer.
DVI - (correct answer)This port is used for monitors or projectors.
HDMI - (correct answer)This port is used for both audio and video, connecting to
televisions or any type of media receiver.
1/8 inch mini RCA jack - (correct answer)Used as direct links to microphones or
speakers, they are small round jacks used for audio transfer.
Power - (correct answer)This plug is located on the back of a PSU, used to transfer
power from a wall socket to the PC.
Firewire - (correct answer)A declining connector, this plug is mainly used in camcorders
for video/audio transfer.
mini DIN - (correct answer)A legacy connector, this connector is used for mouse and
keyboard inputs. May also be referred to as PS/2 connector, named after the first PC
that used them.
9 pin DB - (correct answer)A legacy connector with a D sub serial port, it was used with
an adapter to support mice, keyboards, printers, etc.
