Studied by 6 people
What is hardware?
Tangible physical components of a computer system
Define hardware.
Tangible physical components of a computer system
Name three internal hardware devices.
Processor
List three internal hardware devices.
Processor
Name three external hardware devices.
Monitor
List three external hardware devices.
Monitor
What is software?
Programs that control computer systems and consist of instructions
Define software.
Programs that control computer systems and consist of instructions
What are the two main types of software?
Application software and System software
Name two main types of software.
Application software and System software
Give three examples of application software.
Spreadsheets
Provide three examples of application software.
Spreadsheets
What is system software?
Programs that allow the hardware to run properly and control application programs
Define system software.
Programs that allow the hardware to run properly and control application programs
What are the three main components of the CPU?
Control Unit
Name the three main components of the CPU.
Control Unit
What is the purpose of the Control Unit in a CPU?
Coordinates input and output devices and carries out program instructions
What does the Control Unit do in a CPU?
Coordinates input and output devices and carries out program instructions
What does ALU stand for?
Arithmetic and Logical Unit
What is the meaning of ALU?
Arithmetic and Logical Unit
What does the Immediate Access Store (IAS) do in a CPU?
Holds data and program instructions in current use
What is the role of the Immediate Access Store (IAS)?
Holds data and program instructions in current use
What is a microprocessor?
A single integrated circuit used instead of a CPU
Define a microprocessor.
A single integrated circuit used instead of a CPU
What does RAM stand for?
Random Access Memory
What is the full form of RAM?
Random Access Memory
What is the purpose of RAM?
Stores data temporarily
What does RAM do?
Stores data temporarily
What does ROM stand for?
Read Only Memory
What is the meaning of ROM?
Read Only Memory
What is the purpose of ROM?
Stores permanent information and is non-volatile
What does ROM do?
Stores permanent information and is non-volatile
What does BIOS stand for?
Basic Input/Output System
What is the full form of BIOS?
Basic Input/Output System
What is the purpose of BIOS?
Tells computers what to do when it first starts and checks hardware
What does BIOS do?
Tells computers what to do when it first starts and checks hardware
What are the input devices?
Keyboard
List three input devices.
Keyboard
What are the output devices?
Monitor
List three output devices.
Monitor
What does CLI stand for?
Command Line Interface
What is the full form of CLI?
Command Line Interface
What does GUI stand for?
Graphical User Interface
What is the meaning of GUI?
Graphical User Interface
What does WIMP stand for?
Windows Icons Menus Pointers
What is the full form of WIMP?
Windows Icons Menus Pointers
What are the main types of computers?
Desktop/Personal Computers
List four main types of computers.
Desktop/Personal Computers
What are the advantages of desktop computers?
Standardized spare parts
List three advantages of desktop computers.
Standardized spare parts
What are the advantages of laptop computers?
Portable
List three advantages of laptop computers.
Portable
What are the disadvantages of laptop computers?
Limited battery life
Name three disadvantages of laptop computers.
Limited battery life
List two uses of tablet computers.
Graphics design and on-the-go internet access
What are two common uses of tablet computers?
Graphics design and on-the-go internet access
What are the advantages of tablet computers?
Small
Provide three advantages of tablet computers.
Small
What is a biometric system?
A system that uses unique physical characteristics to identify individuals
Define a biometric system.
A system that uses unique physical characteristics to identify individuals
What does RFID stand for?
Radio Frequency Identification
What is the meaning of RFID?
Radio Frequency Identification
Give one use of RFID.
Identifying pets
What is one application of RFID?
Identifying pets
What does MICR stand for?
Magnetic Ink Character Recognition
What is the full form of MICR?
Magnetic Ink Character Recognition
What is MICR used for?
Processing cheques in banking operations
What is the purpose of MICR?
Processing cheques in banking operations
What does OMR stand for?
Optical Mark Reader
What is the meaning of OMR?
Optical Mark Reader
Name one advantage of using OMR.
Fast way of inputting survey results
What is one benefit of OMR?
Fast way of inputting survey results
What does OCR stand for?
Optical Character Recognition
What is the full form of OCR?
Optical Character Recognition
Give two advantages of using OCR.
Faster data entry than manual typing and reduced errors
Name two benefits of OCR.
Faster data entry than manual typing and reduced errors
What is a wide format printer used for?
Producing large
What is the purpose of a wide format printer?
Producing large
What does LAN stand for?
Local Area Network
What is the meaning of LAN?
Local Area Network
What does WAN stand for?
Wide Area Network
What is the full form of WAN?
Wide Area Network
What does WLAN stand for?
Wireless Local Area Network
What is the meaning of WLAN?
Wireless Local Area Network
What is the purpose of a hub?
Receives data from different ports and sends it to each device
What does a hub do?
Receives data from different ports and sends it to each device
What is the purpose of a bridge?
Connects different types of networks together
What does a bridge do?
Connects different types of networks together
What does MAC stand for?
Media Access Control
What is the full form of MAC?
Media Access Control
What does a router do?
Enables data to be sent between different networks
What is the role of a router?
Enables data to be sent between different networks
What does ADSL stand for?
Asymmetric Digital Subscriber Line
What is the full form of ADSL?
Asymmetric Digital Subscriber Line
What is an IP address?
A unique number assigned to all devices connected to the internet
Define IP address.
A unique number assigned to all devices connected to the internet
What does URL stand for?
Uniform Resource Locator
What is the full form of URL?
Uniform Resource Locator
What is the role of a proxy server?
Acts as a buffer between a WAN and a LAN
What does a proxy server do?
Acts as a buffer between a WAN and a LAN
Note
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