Created by Abi Wright
over 5 years ago
|
||
Question | Answer |
What does CPU stand for?
Image:
Cpu (binary/octet-stream)
|
Central Processing Unit |
What is the purpose of the CPU?
Image:
Cpu (binary/octet-stream)
|
To process data and instructions. To fetch, decode and execute program instructions. |
What does RAM stand for?
Image:
Ram 500x500 (image/jpg)
|
Random Access Memory |
What does ROM stand for? | Read Only Memory |
What does RAM store? | Data/instructions/software and files while they are in use. |
What does ROM store?
Image:
Img 0137a (image/jpeg)
|
The boot up sequence in a computer system. |
What is virtual memory?
Image:
Ki Mna L Ey T (image/png)
|
A part of the secondary storage (Hard drive) used as RAM. |
When is virtual memory needed?
Image:
Gie Eeq Ez T (image/png)
|
When RAM is full. |
What is the three step process used by the CPU? | Fetch - Decode - Execute |
Name one of the four registers in the CPU.
Image:
Cpu (binary/octet-stream)
|
* Program counter * ALU * Control unit * General purpose registers |
What does ALU stand for? | Arithmetic Logic Unit |
What are the five main units of memory? | KB, MB, GB, TB, PB -kilobyte, megabyte, gigabyte, terabyte, petabyte |
Which mathematician is the architecture used in the CPU today named after? | Von Neumann |
The CPU is sometimes referred to as the _____ of the computer. | Brain |
What does MAR stand for? | Memory Address Register |
What does MDR stand for?
Image:
437539 (image/png)
|
Memory Data Register |
What does MAR do? | Holds the address of the instruction to be carried out. |
What does MDR do?
Image:
7113 (image/jpeg)
|
Holds the actual data/instruction to be carried out. |
What is the role of the accumulator?
Image:
Aok Math (image/png)
|
Stores the results of calculations carried out the the ALU. |
State one advantage of SSDs. | - Faster - Don't need defragmenting - More shock-proof - Silent |
State one advantage of HDDs. | - Cheaper - High capacity - Longer read/write life |
Want to create your own Flashcards for free with GoConqr? Learn more.