CompTIA A+ Exam 220-901 Post-Assessment;
Questions & Answers…Grade A+
In a clearly defined series of steps the major components are identified and then described
before being removed. Which step is incorrect? Answer-3- Remove Processor fan
In all parity memory uses Answer-9 bits
Which of the choices provided can operate in a frequency band other than 2.4 GHz?
Answer-802.11n
Which wireless standards does NOT operate at the 5.0GHz frequency? Answer-802.11g
Your PC has an on-board HDMI port. Until now you have been using the DVI connection. Now
you have purchased and connected an HDMI monitor. There is no display. The power light
comes on and the whole screen gets a bit lighter, but no image. With no display how can you
determine if HDMI is enabled? Answer-Hook back up to the DVI
Which of the Intel socket types is also known as an Intel LGA1150? Answer-Socket H3
Your laptop is plugged into an outlet that provides AC current. What provides the DC current the
laptop requires? Answer-AC adapter
How many instances of L3 cache will be present in a quad core processor? Answer-One
Shared
, CompTIA A+ Exam 220-901 Post-Assessment;
Questions & Answers…Grade A+
In the processor chip, registers work in way very similar to which of the following?
Answer-RAM
What type of device is a touchscreen? Answer-both
What is the best way to clear dust out of a PC? Answer-compressed air
the input/output unit manages data and instructions entering and leaving the Answer-
processor
Your processor contains four ALUs. Four L1 and four L2 Cache, A single I/O unit and a single
Control unit. Answer-Quad core
All PCI-X revisions are backward compatible with conventional PCI cards with this exception.
Answer-5 volt
Which of the choices indicates the highest frequency? Answer-1600 MHz
This network type covers very large areas. Cellular networks and the Internet are good
examples. Answer-WAN
Questions & Answers…Grade A+
In a clearly defined series of steps the major components are identified and then described
before being removed. Which step is incorrect? Answer-3- Remove Processor fan
In all parity memory uses Answer-9 bits
Which of the choices provided can operate in a frequency band other than 2.4 GHz?
Answer-802.11n
Which wireless standards does NOT operate at the 5.0GHz frequency? Answer-802.11g
Your PC has an on-board HDMI port. Until now you have been using the DVI connection. Now
you have purchased and connected an HDMI monitor. There is no display. The power light
comes on and the whole screen gets a bit lighter, but no image. With no display how can you
determine if HDMI is enabled? Answer-Hook back up to the DVI
Which of the Intel socket types is also known as an Intel LGA1150? Answer-Socket H3
Your laptop is plugged into an outlet that provides AC current. What provides the DC current the
laptop requires? Answer-AC adapter
How many instances of L3 cache will be present in a quad core processor? Answer-One
Shared
, CompTIA A+ Exam 220-901 Post-Assessment;
Questions & Answers…Grade A+
In the processor chip, registers work in way very similar to which of the following?
Answer-RAM
What type of device is a touchscreen? Answer-both
What is the best way to clear dust out of a PC? Answer-compressed air
the input/output unit manages data and instructions entering and leaving the Answer-
processor
Your processor contains four ALUs. Four L1 and four L2 Cache, A single I/O unit and a single
Control unit. Answer-Quad core
All PCI-X revisions are backward compatible with conventional PCI cards with this exception.
Answer-5 volt
Which of the choices indicates the highest frequency? Answer-1600 MHz
This network type covers very large areas. Cellular networks and the Internet are good
examples. Answer-WAN
