CompTIA ITF+ Part 3 Flashcards
To learn the material pertaining to the CompTIA IT Fundamentals Exam
What language do computers “understand”?
‘Machine language’
What programming language is closest to machine language?
‘Assembly language’
What do programmers often start with?
‘A flow chart of expected steps and outcomes (pseudocode)’
What is data?
‘Raw facts that are systems and processes generate and collect on a regular basis’
What is information?
‘Data that has been processed and analyzed’
What are the three different ways that businesses can legally protect their intellectual property against theft and misuse?
‘Copyrights
What is copyright used to protect?
‘Creative works against theft’
How is copyright granted?
‘Copyright protection is automatically granted to the creator of a work once they create it’
What are trademarks used to protect?
‘Trademarks are used to protect the words and symbols used to identify products and services. The information protected by trademark includes brand names
How are trademarks granted?
‘The owners of trademarks must register their marks with the government to achieve full protection in the US.’
What are patents for?
‘Patents protect inventions providing the inventor with the exclusive use of their invention for some period of time.’
What are the criteria for granting a patent?
‘An inventor must demonstrate that their idea meets three criteria. First
What are the basic units of storage in any computer system?
‘A bit
How is data stored on magnetic and solid-state drives?
‘When we store data on a magnetic hard drive
What is a petabyte?
‘1000 terabytes’
How is network capacity measured?
‘Throughput which is the speed by which a network can transfer data in bits per second’
What do wired networks use?
‘Copper wires to transmit pulses of electricity’
What do wireless networks use?
‘Radio waves to transmit radio signal pulses’
What do fiber optic networks use?
‘Strands of glass to transmit pulses of light’
What are the terms used to discuss network speed, aside from throughput?
‘Capacity and bandwidth’
What is the unit of measurement for the speed of a CPU?
‘Multiples of Hertz’
What is a hertz in relation to a CPU?
‘CPUs have internal clocks that time
What is the typical Hertz multiple used for modern computer processors?
‘Gigahertz
What is hexadecimal notation?
‘Each digit can store 16 possible values
What is ASCII?
‘The American Standard Code for Information Interchange (ASCII) is the most common character encoding format for text data. In standard ASCII-encoded data
What is Unicode?
‘an international encoding standard for use with different languages and scripts
What is the most basic data type?
‘A Boolean object
What are the two basic form of numeric values stored in memory?
‘1) Integers are values that do not have decimal or fractional parts. 2) Floating point numbers or floats are numbers that do have decimal places associated with them. The precision of a floating-point number indicates how many decimal places may be used with that number.’
What is the data type of a single character of text and how much memory does it consume?
‘Char
What are character strings?
‘Character strings consist of one or more characters strung together
What are the eight steps for troubleshooting technology?
‘1) Identify the problem 2) Conduct some research’
What are servers?
‘Servers are powerful computers that carry out a dedicated function. Companies might use servers to share files internally
What is IoT?
‘We use the term Internet of Things or the acronym IoT to describe the way that we connect many everyday devices to the internet.’
What are ICS systems?
‘Industrial control systems
What are the two brands of processors used in Windows and Macs respectively?
‘Windows: Intel and AMD Mac: Intel and Apple’
What processor did Apple release in 2020?
‘The M1 processor’
Aside from the clock speed, what are two other measurements for CPUs?
‘CPUs are also measured in terms of their number of processing cores. Basically
Why can we expect that 64-bit processors will be around for quite some time?
‘A 64-bit processor can manage 17 billion gigabytes of memory
Who is leading provider of microprocessors?
‘ARM’
What is UEFI? What is its role? What use to perform its function?
‘When a computer starts up
What are the two types of disk drives?
‘Magnetic or solid-state’
What is a NIC and where are there typically?
‘A network Interface Card is typically directly on the motherboard; they provide the ability to connect to both wired and wireless networks.’
What is a GPU?
‘A graphic processing unit are powerful processors designed to perform the intensive calculation that are required to render complex graphics on the display.’
What technology is used by most peripherals to make it easier for users to install them?
‘Plug and play’
What is this connector? What should you know about it?
‘VGA; used by older displays and can only support a low resolution (640 x 480)’
What is this connector? What should you know about it?
‘HDMI; able to carry both audio and video on the same wire and support high resolution video up to 5K an beyond’
What is this connector? What should you know about it?
‘Mini Displayport; offers high-resolution up to 5K and beyond’
What is this connector? What should you know about it?
‘Displayport; offers high-resolution up to 5K and beyond’
What is Thunderbolt?
‘Thunderbolt is a hardware interface standard designed by Intel that allows both data and power to be sent over the same wire. The first two versions of Thunderbolt used mini- DisplayPort connectors
What are the two categories of storage?
‘Volatile storage (temporary i.e.
How do magnetic and solid-state drives compare?
‘Magnetic drives provide inexpensive storage that’s relatively slow. These magnetic hard drives contain platters of magnetic material that spin around very quickly inside the computer
How is an RJ-11 different from an RJ-45?
‘The RJ-11 is smaller and only has six pins.’
What is a PAN?
‘Personal Area Network
What is NFC?
‘Near field communication or NFC technology allows extremely short-range wireless connections for two devices to communicate using NFC. They need to be no more than a couple of inches apart.’
What is DSL?
‘The digital subscriber line
