Flashcards in B061- ICT Systems Deck (41)
What is the basic structure of computers?
Input, processing, output, main or internal memory, backing storage.
What is 'hardware'?
'Hardware' is the physical components of the computer system that can be touched.
Give four examples of hardware.
Monitor, keyboard, mouse, hard disk
What is 'software'?
'Software' is the set of instructions (code or program) that the computer follows.
Give four examples of software.
Word processing software, web-authoring software, publication software, operating systems.
What is the function of input devices?
Components for entering data.
What is the function of output devices?
Components to show the result of processing.
What is the function of processing?
Components that decide what instructions mean and what to do.
What is the function of main and internal memory?
Components to store the data being used.
What is the function of backing storage?
Components to store the data and/or instructions when the computer is switched off.
What are the three main types of computer system?
Personal computers, mainframe computers and supercomputers.
Give three examples of personal computers.
Laptop, desktop, notebook, tablet etc
Name as many input devices as you can.
Joystick, keyboard, keypad, microphone, mouse, touch screen, webcam, sensors, remote control, graphics tablet etc.
Name four output devices.
Monitor, printer, speakers, actuators
What is the role of actuators?
Name three specialised input devices.
Braille keyboard, foot mouse, puff-suck switch
Which type of printer is used at home and for general printing?
An inkjet printer.
Which type of printer is used for printing in bulk quantities?
A laser printer.
What are the two types of computer memory? What do they stand for?
ROM (Read Only Memory) and RAM (Random Access Memory)
What is flash memory? Give an example.
Flash memory does not lose data when a computer is switched off and is found in smartphones and USB sticks.
What are hard disks used for?
Hard disks are used to store the operating system and data/files when computer power is turned off.
True or false? Operating systems manage the use of the CPU, inputs and outputs, memory resources and the hardware.
What does utility software do?
Utility software manages the hard disk, compresses and/or encrypts files and scans for viruses.
Give three types of application software used for creating and managing data and information.
Word processors, desktop publishings, spreadsheets, database management, multimedia software, presentation software, web-authoring software, programming software.
Give three types of application software used for creating and managing still, moving and video images.
Photo editing software, animation software, video-editing software, graphics manipulation software.
Give three types of application software used for communicating with others.
web-browsing software, communications software (such as social networking software), gaming software.
How is program code produced?
Editors are used to type and create source code (instructions not understood by computers), compliers convert the source code in to object code (understood by computers), debuggers find errors in code, linkers join the different parts of code, interpreters change the code from one computer language to another.
What does CLI stand for?
Command Line Interface.
What is a command line interface?
A black box that is where commands are manually entered.