4407375
Descrição
FlashCards por brunyee.c18, atualizado more than 1 year ago
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Criado por brunyee.c18
quase 9 anos atrás
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| Questão | Responda |
| What is a computer system? | A computer system is able to take a set of data inputs, process them and produce outputs. it does this using hardware and software |
| Define and input device. | It is used to enter data into a system. |
| Name 5 input devices? | 1. keyboard 2. microphone 3. web cam 4. touch screen computer 5. scanner |
| Define and output device. | An output device is used to produce the results of data processed by the computer. |
| Name 5 output devices? | 1. printer 2. headset 3. computer screen 4. webcam 5.speakers |
| RAM what does it stand for? | random access memory |
| ROM what does it stand for? | read only memory |
| what does volatile mean? | Volatile means when the computer is switched of the contents of the RAM are lost. |
| RAM or ROM which is volatile? | RAM is volatile and stores data ands instructions. |
| What is hardware? | Computer hardware is the physical parts of a computer such as the keyboard or mouse. |
| what is software? | Software is the programs used by the computer for example windows 8. |
| Memory order? | bit = big = binary digit nibble = naughty = 4 bits byte = boys = 8 bits / 2 nibbles kilobyte = kicked = 1024 bytes megabytes = My = 1024 kilobytes gigabytes = granny = 1024 megabytes terabytes = twice = 1024 gigabytes |
| If a computer has a clock speed of 4GHz how many instructions can it carry out per seconds? | 4 billion |
| If a computer has a clock speed of 2.4 MHz then how many instructions can it carry out per second ? | 2.4 million |
| what type of storage would be most common in a computer tablet? | SSD (solid state drive) |
| Hannah is a university student she needs to carry lots of work between school and home what would be the most suitable storage device to do so? | Cloud Storage |
| What does the NOT gate do? | The not gate take the input information and outputs the opposite. |
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