CompTIA A+ Chapter 7 Upgrading Memory Test
This test goes along with chapter 7 of our Comptia A+ book.
- 1.How many bits are in the SIMM's data path?
- A.
16
- B.
32
- C.
64
- D.
128
- 2.Which of the following statements best describes DDR?
- A.
DDR doubles the data rate of memory by processing data when the beat of the clock rises and again when it falls.
- B.
DDR runs more slowly than regular SDRAM.
- C.
DDR uses 168 pins.
- D.
DDR improves on DDR2.
- 3.With dual channels, the memory controller can communicate with how many DIMMs at the same time?
- A.
1
- B.
2
- C.
3
- D.
4
- 4.Which of the following best describes odd parity?
- A.
It makes the parity bit a 1 or a 0 to make the number of 1s in the 9 bits even.
- B.
A parity error occurs only when there is an odd number of bits.
- C.
It makes the ninth or parity bit either a 1 or a 0 to make the number of 1s in the 9 bits odd.
- D.
Newer DRAM systems also us odd parity error checking.
- 5.Which of the following best describes the features CAS Latency and RAS Latency?
- A.
Both features refer to the size of the memory module.
- B.
RAS Latency is used more than CAS Latency.
- C.
It takes four or five clock cycles to read or write data.
- D.
Both features refer to the number of clock cycles it takes to write or read a column or row of data off a memory module.
- 6.True or false?In a DIMM, each pin pair is tied together into a single contact.
- A.
True
- B.
False
- 7.True or false?The smaller the speed rating is, the faster the chip.
- A.
True
- B.
False
- 8.True or false?Notches on the memory modules are used to identify the technologies that the module supports.
- A.
True
- B.
False
- 9.True or false?For dual channeling to work, the pair of DIMMs in a channel must be equally matched in size, speed, and features.
- A.
True
- B.
False
- 10.True or false?When using RIMMs some memory slots on the motherboard can be empty.
- A.
True
- B.
False
- 11.If a memory module doesn't support registers or buffers, it's always referred to as a(n) __________________ DIMM.
- A.
Unregistered
- B.
Unbuffered
- C.
Unchecked
- D.
Incompatible
- 12.A(n) _____________ is an area on the motherboard that holds the minimum number of memory chips or memory modules that must work together as a unit.
- A.
Bank
- B.
Section
- C.
Memory space
- D.
Memory controller hub
- 13.In older DRAM memory systems, a(n) _______________ error always caused the system to halt.
- A.
Self-checking
- B.
ECC
- C.
Parity
- D.
Error correcting code
- 14.Parity memory uses _______ bits.
- A.
18
- B.
32
- C.
16
- D.
9
- 15.Computer memory is divided into two categories: ______________ and ______________.
- A.
DDR and DDR2
- B.
DRAM and SRAM
- C.
Parity and ECC
- D.
ROM and RAM
- 16.___________ is contained within the processor housing and sometimes embedded on the motherboard.
- A.
SRAM
- B.
DRAM
- C.
DDR2
- D.
DDR
- 17.SO-DIMMs and SO-RIMMs are used in ____________.
- A.
Desktop computers
- B.
Notebook computers
- C.
Iphones
- D.
Ipads
- 18.When looking at a DIMM with the pins facing you, the notch on the right identifies ____________.
- A.
the voltage used by the module
- B.
The module as registered, buffered, or unbuffered
- C.
The manufacturer of the module
- D.
The type of memory technology the module uses
- 19.A placeholder memory module, called a _____________, is sometimes used to ensure continuity throughout all memory slots.
- A.
RIMM
- B.
C-RIMM
- C.
RDRAM
- D.
SO-DIMM
- 20._______________ memory costs more, but it is more reliable and is generally used on servers.
- A.
ECC
- B.
Parity
- C.
DIMM
- D.
SIMM
Recent Quizzes
Back to top