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Stoichiometry and Atomic Mass Quiz

Stoichiometry and Atomic Mass Quiz

Created by
@EffusiveObsidian1875
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Questions and Answers

What is the definition of atomic mass in atomic mass units (amu)?

The mass of 1 atom of 12C, which is 12 amu

What is the average atomic mass of copper, given the relative abundances and isotopic masses?

$63.55$ amu

How is the contribution to the average atomic mass calculated for each isotope?

By multiplying the mass of the isotope by its fractional abundance

What is the mass of 1 atom of H in atomic mass units (amu)?

<p>1.008 amu</p> Signup and view all the answers

What is the mass of 1 atom of O in atomic mass units (amu)?

<p>16.00 amu</p> Signup and view all the answers

Which term is used to represent a unit of main memory, typically 8 bits which is one byte?

<p>Cell</p> Signup and view all the answers

What is the term for the unique name assigned to individual cells in a machine’s main memory?

<p>Address</p> Signup and view all the answers

What type of memory is referred to as volatile because it is used for temporary usage?

<p>Primary memory</p> Signup and view all the answers

What are bits used to represent in a computer system, regardless of data type?

<p>Various forms of data</p> Signup and view all the answers

What do computer systems use to store data for temporary usage?

<p>RAM memory</p> Signup and view all the answers

What is the term used for the reservoir of bits inside a computer system to store data?

<p>Computer memory</p> Signup and view all the answers

Where is Cache memory primarily located?

<p>Between Central Processing Unit (CPU) and RAM</p> Signup and view all the answers

What is the primary purpose of Cache memory?

<p>To support the CPU by storing small portions of information in process</p> Signup and view all the answers

What is the size of L1 cache in a computer system usually in modern CPUs?

<p>64K</p> Signup and view all the answers

Which cache memory has the highest priority of access for the CPU?

<p>L1 cache</p> Signup and view all the answers

What is the main difference between L2 and L3 cache?

<p>L2 cache is faster but smaller than L3 cache</p> Signup and view all the answers

When is Disk Cache accessed?

<p>Only when Memory Cache is not available</p> Signup and view all the answers

What type of information does Memory Cache primarily store?

<p>Small portions of information in process</p> Signup and view all the answers

Which cache memory unit is designed to improve the performance of the CPU by storing small parts of information, reducing the need for continuous access to RAM?

<p>L1 cache</p> Signup and view all the answers

What is the main purpose of Disk Cache in a computer system?

<p>To create temporary files on the hard drive</p> Signup and view all the answers

What is the primary function of CPU Registers in a computer system?

<p>To hold data being processed by the CPU</p> Signup and view all the answers

What is the term for the unique name assigned to individual cells in a machine’s main memory?

<p>Memory address</p> Signup and view all the answers

What is the term used for the reservoir of bits inside a computer system to store data?

<p>Computer memory</p> Signup and view all the answers

What type of information does Memory Cache primarily store?

<p>Temporary data</p> Signup and view all the answers

What is the primary function of CPU Registers in a computer system?

<p>Executing program instructions</p> Signup and view all the answers

What is the main purpose of Cache memory?

<p>Temporary data storage</p> Signup and view all the answers

What is the size of L1 cache in a computer system usually in modern CPUs?

<p>$1$ KB to $2$ KB</p> Signup and view all the answers

Where is Cache memory primarily located?

<p>Between Central Processing Unit (CPU) and RAM</p> Signup and view all the answers

What type of information does Memory Cache primarily store?

<p>Temporary data used by the CPU</p> Signup and view all the answers

What is the main difference between L2 and L3 cache?

<p>L2 cache is faster than L3 cache</p> Signup and view all the answers

What is the primary purpose of Cache memory?

<p>To improve CPU performance by reducing RAM access</p> Signup and view all the answers

What is the size of L1 cache in a computer system usually in modern CPUs?

<p>$64$ K</p> Signup and view all the answers

What type of memory is referred to as volatile because it is used for temporary usage?

<p>RAM</p> Signup and view all the answers

Study Notes

Atomic Mass

  • Atomic mass is defined in atomic mass units (amu)
  • The average atomic mass of copper is calculated based on relative abundances and isotopic masses of its isotopes
  • The contribution to the average atomic mass is calculated for each isotope by multiplying its relative abundance by its isotopic mass
  • The mass of 1 atom of H in atomic mass units (amu) is 1.00794 amu
  • The mass of 1 atom of O in atomic mass units (amu) is 15.9994 amu

Computer Memory

  • A byte is a unit of main memory, typically 8 bits
  • The term for the unique name assigned to individual cells in a machine's main memory is address
  • Volatile memory is used for temporary usage and its contents are lost when power is turned off
  • Bits are used to represent data in a computer system, regardless of data type
  • Computer systems use main memory to store data for temporary usage
  • The term for the reservoir of bits inside a computer system to store data is memory
  • Cache memory is primarily located on the CPU or close to it
  • The primary purpose of Cache memory is to act as a buffer between the main memory and the CPU
  • The size of L1 cache in modern CPUs is usually small, ranging from 8KB to 64KB
  • L1 cache has the highest priority of access for the CPU
  • The main difference between L2 and L3 cache is their size and access time, with L3 cache being larger and slower
  • Disk Cache is accessed when data is read from or written to disk
  • Memory Cache primarily stores frequently accessed data
  • L1 cache is designed to improve the performance of the CPU by storing small parts of information, reducing the need for continuous access to RAM
  • The primary purpose of Disk Cache is to improve disk performance by reducing the number of disk accesses
  • The primary function of CPU Registers is to store data temporarily while it is being processed
  • Memory Cache primarily stores frequently accessed data

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