4407384
Description
Flashcards by Luke Callison-Bailey, updated more than 1 year ago
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Created by Luke Callison-Bailey
about 8 years ago
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| Question | Answer |
| A computer system must be able to take a set of data inputs, process them and produce outputs. It does this using........ | Hardware and software |
| Which is not an input device: Microphone Trackpad Mouse Modem Keyboard | Modem |
| Which is not an output device: Touchscreen monitor Webcam Plotter Video Capture Hardware Projector | Video Capture Hardware |
| Order these largest (top) to smallest: Byte Nibble Terabyte Megabyte Gigabyte Bit Kilobyte | Terabyte Gigabyte Megabyte Kilobyte Byte Nibble Bit |
| What does bit stand for? | Binary Digit |
| What is the main memory? | RAM |
| What does ROM stand for? | Read Only Memory |
| What does RAM stand for? | Random Access Memory |
| Is RAM volatile? | Yes |
| Is ROM volatile? | No |
| What does ROM store? | BIOS and the OS |
| What does BIOS stand for? | Basic Input Output System |
| What does the computer need to boot up? | ROM |
| What type of memory is used when the RAM runs out? | Virtual Memory |
| Is virtual memory volatile? | Yes |
| What does the RAM store? | Instructions for the CPU to process |
| What does CPU stand for? | Central Processing Unit |
| What type of memory is fastest for the CPU to reach? | Cache Memory |
| What cycle does the CPU perform? | Fetch, Decode, Execute Cycle |
| If a CPU has 2.4 GHz, how many processes per second can the CPU perform? | 2.4 Billion |
| If a CPU has 5.6 MHz, how many processes per second can the CPU perform? | 5.6 Million |
| If a CPU is quad core, how many processors are there? | 4 |
| If a CPU is dual core, how many processors are there? | 2 |
| What are the 4 categories of secondary storage? | Flash Cloud Optical Media Magnetic |
| What 3 devices come under optical media? | CD DVD Blu-Ray |
| What device comes under magnetic? | HDD |
| What does HDD stand for? | Hard Disk Drive |
| What 3 devices come under flash? | Flash drive SSD SD-Card |
| What does SSD stand for? | Solid State Drive |
| What does SD-Card stand for? | Secure Digital Card |
| Where are you most likely to see SD-Cards being used? | Camera |
| Where is data stored on cloud memory like Google Drive kept? | On a remote server |
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