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Computer System

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  • A lottery scam email asking for bank details.
    Phishing
  • What is the function of a scanner as an input device?
    Convert physical documents to digital format
  • What is the primary function of a printer as an output device?
    Produce physical copies of digital data
  • What is the primary purpose of cache memory?
    Speed up data access for the CPU
  • Software running in the background of a computer which manages most of the basic functions, such as user interface and memory management
    Operating system
  • What is the primary function of a server?
    Providing services to other computers or devices on a network
  • What is a common advantage of HDDs over SSDs?
    more Capacity, Lower cost per unit of storage
  • a stand-alone type of malware that can selfreplicate; unlike viruses
    WORM
  • a program that provides low level control for devices
    Firmware
  • translates and executes code processes the entire program at once
    Compiler
  • Proxy Server ?
    masking a user's IP address and filtering traffic, blocks malicious sites,
  • Silent and durable due to no moving parts
    SSD
  • a decentralised database where all transactions are stored; it consists of a number of interconnected computers but not a central server
    blockchain
  • What technology does USB flash memory use to store data?
    NAND Flash
  • type of authentication that uses a unique human characteristic,
    biometrics
  • a cyberattack in which cybercriminals seek to disrupt the normal operation of a website
    DOS
  • can make use of special hardware includes special machine-dependent instructions
    Low Level Language
  • a text file sent from a website to a user’s browser;
    cookie
  • the language used to design, display and format web pages, and to write protocols
    HTML
  • firewall –?
    monitor, filter, and control data packets (traffic) to block threats such as hackers, malicious apps
  • Explain two differences between a DVD and a Blu-ray.
    A single-layer DVD holds 4.7 GB, Blu-ray can store 25 GB, DVDs use a red laser , Blu-ray Blue laser
  • monitoring a user’s activities on a computer and sends the gathered information
    Spyware
  • a security protocol used when sending data over a network
    SSL
  • An _____________ is a special-purpose computer that is used inside a device to handle specific functions.
    embedded computer
  • redirecting a user to a fake website in order to illegally obtain personal data
    pharming
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