Fichas
Computing hardware
Fichas del conjunto (41)
- 1What is a computer system?Any equipment that uses computer technology.
- 2What is hardware?Physical part of a computer system that can be touched.
- 3What is software?The programs and apps that run on the computer systems.
- 4What does software do?Follows a set of instructions to perform a task.
- 5What is a four box model?
- 6What is an input device?Any device that allows you to input data into a computing system.
- 7What is an output device?Any device that allows you to output data into any system.
- 8Give 3 examples of an input device.Any 3 from the following:
Mouse
Keyboard
Remote Button
Touch Screen
Camera
Microphone - 9Give 3 examples of output devices.Any 3 of the following:
Speakers
Printer
Projector
Phone screen - 10Compete the following sentence: An input device is a device that sends.....Data to a computer.
- 11What type of device does a device use to communicate the results of data processing by a computer? A. Input B. Output C. StorageB. Output
- 12What is a five box model?
- 13Give an example of the 'process' from the 4 and 5 box model.Central Processing Unit (CPU)
- 14Give an example of the 'storage' from the 4 and 5 box model.Any from the following:
Flashdrive
SD Card
Hardrive (HDD)
Optical Storage (CD, Bluray, DVD)
Solid State Drive (SSD) - 15What is an embedded system? A. A computer system that forms part of a device that has a dedicated function B. Consistently good in quality C. A pre determined set of instructionsA. A computer system that forms part of a device that has a dedicated function
- 16Name an output device for someone for special needs and explain how it would help them.Braille printer- allowing blind people to print something off and help someone else to print something off especially for a blind person.
- 17Name and input device for someone who has special needs and explain how it would help them.Colour coded keyboard- would help people with visual impairment and learning difficulties by having her different troupe of letters and punctuation in different colours to help someone distinguish what it is they want to write.
- 18Name a communication device.Bluetooth.
- 19What is the rhyme to remember the units of storage?Big- bit
Naughty - nibble (4bits)
Boys- byte (8 bits)
Kicked- kilobyte (1024 bytes)
My- megabytes (1024 kilobytes)
Granny- gigabytes (1024 megabytes)
Twice- terabyte (1024 gigabytes) - 20What is the difference between RAM and ROM?RAM non-volatile is only when a computer is off
ROM volatile and can only retain dater with power - 21What does installing more RAM do?Decreases the use of virtual memory and speeds the performance up.
- 22What is virtual memory?The area of a HDD that is used for temporary storage of data from the main memory.
- 23What does ROM stand for?Read only memory.
- 24What does RAM stand for?Random access memory.
- 25What does HDD stand for?Hard disk drive.
- 26Name a ethical consideration in the i.t world.Computer privacy- who keeps what, where, when and for how long.
- 27Name a legal consideration in the I.t worldComputer misuse act-illegal to gain unauthorised access to other people's computer.
- 28Name an environmental issue in the I.t world.E-waste- where non-recyclable e-waste is dumped.
- 29A HDD is an example of what type of storgae?Magnetic storage.
- 30Which of the following are an example of secondary storage? A. RAM B. HDD C. SD CardB. HDD
C. SD Card - 31What does CD stand for?Compact disk.
- 32What does CPU stand for?Central processing unit.
- 33Order the following: Decode Execute FetchFetch
Decode
Execute - 34Describe what happens for each point in the fetch, decode, execute cycle.Fetch- The processor fetches the instruction from the memory
Decode- The instruction is decoded
Execute- Processor executes that instruction - 35What is the purpose of the CPU?To control all the other parts of the computer and process data which it does by the fetch, decode, execute cycle.
- 36What is clock speed?A rate at which instructions are carried out.
- 37What is clock speed measured in?Hz
- 38What does 1GHz mean?One billion instructions are carried out per second.
- 39What does the term core refer to?The amount of CPU'S in a computer.
- 40What does the amount of cores effect?How fast a computer can execute an instruction.
- 41What is cache?A memory that sits between the CPU and main memory that acts as a buffer and temporarily stores instructions from the main memory.