Comptia A+ Test Bank
45 community-sourced questions and answers. Free — no login.
You are installing two new RAM modules into a single channel of a dual-channel motherboard. Which of the following is true?
Both RAM modules need to have the same parameters.
You have a motherboard designed to hold DDR3 1600 memory. What will happen if you attempt to install DDR2 667 memory into the motherboard?
It won't fit
You have been asked to purchase new RAM for three workstations. The workstations call for DDR3 1600 chips. What throughput will these modules support?
12,800 Mbps
Which RAM feature can detect and possibly fix errors within memory?
ECC
Which type of DIMM has 184 pins?
DDR
Which component of the motherboard chipset is responsible for managing high-speed peripheral communications?
Northbridge
Which of the following system settings are configurable in the BIOS? (Choose two.)
Date and time Enabling and disabling devices
Which level of cache is typically the smallest and closest to the processor die in a computer?
L1
Which CPU architecture term describes a CPU with multiple physical processor dies in the same package?
Multicore
The set of signal pathways on a motherboard between the CPU and RAM is called what?
Frontside bus
Which RAM feature will detect errors within memory but is not able to fix them?
Parity
Which motherboard form factor is common in desktop computers and measures 12″ × 9.6″?
ATX
64-bit SODIMM modules come in which pin configurations? (Choose two.)
200-pin 204-pin
The most common RAM slots used in desktop and laptop computers, respectively, are what?
DIMM and SODIMM
Which CPU technology allows for the assignment of two logical cores for every physical core present?
Hyperthreading
You just purchased several used computers from another company. They came with no documentation. When looking at the RAM, you see a sticker that says PC3-10600. What is the FSB speed of this computer?
1333 MHz
Which type of bus architecture provides faster speeds?
Serial (1 bit at a time).
Which of the following is the defining characteristic of a passive cooling system for a CPU?
It does not require a fan or power.
Three of these four motherboard form factors can be mounted in the same style of case. Which ones are they? (Choose three.)
ATX MicroATX Mini-ITX
Which of the following does not apply with triple channel memory?
Triple the power distributed to the memory
What is used to ensure an efficient and effective heat exchange away from the CPU?
Thermal paste
Which of the following statements are not true regarding CPUs and operating systems? (Choose two.)
A 32-bit OS can run only on a 32-bit CPU. A 64-bit OS can run on a 32-bit CPU or a 64-bit CPU.
Serial and Parallel ATA port communication to other components on a motherboard is managed by what?
Southbridge
What are the dimensions of a micro-ATX motherboard?
9.6″ × 9.6″
Which of the following are types of CPU sockets? (Choose two.)
LGA PGA
Identify the peripheral connector shown here.
SATA
Which two CPU sockets are capable of supporting Intel Core i7 processors? (Choose two.)
LGA1156 (Socket H) LGA2011 (Socket R)
What type of expansion slots are the first, third, and fifth slots (from the top down) on the motherboard shown here?
PCIe x16
What are the dimensions of a mobile-ITX motherboard?
2.4″ × 2.4″
Which of the following are advantages of using a CPU liquid cooling system over an air-based system? (Choose two.)
More efficient Quieter
What is an advantage of using double-sided memory over single-sided memory?
It allows for twice as much memory to be used in the same amount of space.
Which motherboard form factor measures 6.7″ × 6.7″?
Mini-ITX
What is the name of the software package, typically enabled in the BIOS, that allows you to track the location of a stolen laptop or remotely lock it so it's inaccessible?
LoJack
Which of the following statements most accurately describes the functionality of the execute disable bit?
It protects the computer from certain types of viruses or malicious code.
Which system component enables the use of Secure Boot technology?
UEFI
Identify the computer component shown here.
CPU heat sink and fan
You have been asked to assemble 20 new desktop PCs for a client. When you look at the first motherboard, you see four memory slots. The one closest to the CPU is colored blue. Then in order they are white, blue, and white. Which of the following statements are true? (Choose two.)
This is a dual-channel motherboard. For optimal performance, you should install RAM modules into the two blue slots.
A technician needs to purchase new RAM for a motherboard. The motherboard specifications call for 400 MHz DDR2 RAM. Which RAM modules should the technician use?
PC2-3200
Identify the connector type shown here in the center.
FireWire
Which hardware component is responsible for storing prefetched data or code that the CPU will need to use and storing most recently used data or code?
Cache
What types of RAM modules are shown here, from top to bottom?
DDR3 and DDR2
Which of the following statements are true regarding buffered memory modules? (Choose two.)
They decrease the electrical load placed on the controller. When used, the memory controller communicates in series with the register.
Identify the white connector on the section of motherboard shown here.
ATX
The motherboard in your desktop computer supports dual-channel memory. Which of the following statements regarding RAM is true?
The RAM will work if only one module is installed.
You need to purchase RAM for a computer. Which factor determines the speed of memory you should purchase?
FSB speed
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