(Summary) Computer Concepts Final Exam, Questions
and Correct Answers, With Complete Verified Solution 2024.
Computer
digital device that accepts input, processes and stores inout, and provides output
Software
virtual elements
-OS
-Software applications
examples of computers
laptops
desktops
All-In-Ones
Tablets
Smartphones
Mainframes
Servers
Gaming Consoles
Embedded Devices
Four basic computing functions
input
process
output
store
Hardware
physical elements of the device
-processor
-memory
-storage
ex: System Unit, Printer, Monitor, Keyboard, Mouse, Router
System Unit
Houses the Motherboard
-aka Tower
motherboard
circuit board that holds the computer's CPU
CPU
computer's main microprocessor
-location depends on type of computer
where are the different places of CPUs?
Desktop - in tower/chassis
Laptop - beneath keyboard
Smartphone - behind touchscreen
laptop
mobile hinged computer with an integrated keyboard
-come with a full OS
,-comes with LED, OLEd, IG20, and other display screens
-memory can be updated
-plenty of storage
what is the most bought laptop?
Lenovo
Tablet Computer
mobile and touchscreen
-uses mobile OS
-screen size approx 7 in
ex: Apple iPad, Ssmsung Galaxy note tab, Amazon Kindle, Google Nexus, Microsoft
Surface Pro
uses of tablet computers
-light yet powerful
-gains functionality with separate keyboard
-apps may be limited to mobile versions
Desktop
have a separate system unit (chassis/tower)
-peripherals
-large footprint
-SU allows for easy Hardware upgrades
uses of desktops
businesses, families with children, gamers, and computer experts
All-In-One computer
stationary device (like desktop)
-large monitor
-separate keyboard and mouse
-usually touchscreen
-Full OS
-neat, clean look for s desk
-large monitor without large SU
-not easy upgradable
Embedded computer
a computer that is integrated to a larger device/system
ex: watch, programmable thermostat, coffee pot, anti-locks brakes, ignition systems
-usually have small Os/real time OS with limited capability
2-in-1 computer
combines mobility of a tablet with power of a laptop
-full OS
-solid-state hard drive (very fast with strong battery life)
-less storage than laptop
-touchscreen
-keyboard is detachable
-aka hybrid/convertible laptops
smartphone
handheld computer with cellular networking
-limitations: screen size and computing power
, -use mobile versions of apps
-durable technology to emphasize battery life
ex: Apple, Samsung, Google Pixel
Media Players
allow you to listen to audio files and watch videos
-personal media players
-now being used to describe streaming MP such as Roku, Amazon Firestick
Server
computer system in a network that is shared by multiple users
-network server
-web server
-file server
network server
controls access to resources such as printers and apps on a network
web server
controls access to resources on web
file server
used for data storage
Mainframe
more powerful than servers
-used by orgs to process large amounts of data
-commonly used by banks or retailers
Supercomputers
most powerful type
-can evaluate complex data very quickly
-many used by government and large research universities
Processor
brains of computer
-most important hardware component
-located on motherboard
two main components of processors
1. Arithmetic Logic Unit (mathematical tasks)
2. Control Unit (locates, analyzes, and executes instructions)
The Machine Cycle
every time a processor executes an instruction from a program
1. fetch
2. decode
3. execute
4. store
Clock Speed
# of instructions a computer can process in a second
-aka clock rate
-measured in hertz
-modern processors: mils of instructions/second
overclocking
and Correct Answers, With Complete Verified Solution 2024.
Computer
digital device that accepts input, processes and stores inout, and provides output
Software
virtual elements
-OS
-Software applications
examples of computers
laptops
desktops
All-In-Ones
Tablets
Smartphones
Mainframes
Servers
Gaming Consoles
Embedded Devices
Four basic computing functions
input
process
output
store
Hardware
physical elements of the device
-processor
-memory
-storage
ex: System Unit, Printer, Monitor, Keyboard, Mouse, Router
System Unit
Houses the Motherboard
-aka Tower
motherboard
circuit board that holds the computer's CPU
CPU
computer's main microprocessor
-location depends on type of computer
where are the different places of CPUs?
Desktop - in tower/chassis
Laptop - beneath keyboard
Smartphone - behind touchscreen
laptop
mobile hinged computer with an integrated keyboard
-come with a full OS
,-comes with LED, OLEd, IG20, and other display screens
-memory can be updated
-plenty of storage
what is the most bought laptop?
Lenovo
Tablet Computer
mobile and touchscreen
-uses mobile OS
-screen size approx 7 in
ex: Apple iPad, Ssmsung Galaxy note tab, Amazon Kindle, Google Nexus, Microsoft
Surface Pro
uses of tablet computers
-light yet powerful
-gains functionality with separate keyboard
-apps may be limited to mobile versions
Desktop
have a separate system unit (chassis/tower)
-peripherals
-large footprint
-SU allows for easy Hardware upgrades
uses of desktops
businesses, families with children, gamers, and computer experts
All-In-One computer
stationary device (like desktop)
-large monitor
-separate keyboard and mouse
-usually touchscreen
-Full OS
-neat, clean look for s desk
-large monitor without large SU
-not easy upgradable
Embedded computer
a computer that is integrated to a larger device/system
ex: watch, programmable thermostat, coffee pot, anti-locks brakes, ignition systems
-usually have small Os/real time OS with limited capability
2-in-1 computer
combines mobility of a tablet with power of a laptop
-full OS
-solid-state hard drive (very fast with strong battery life)
-less storage than laptop
-touchscreen
-keyboard is detachable
-aka hybrid/convertible laptops
smartphone
handheld computer with cellular networking
-limitations: screen size and computing power
, -use mobile versions of apps
-durable technology to emphasize battery life
ex: Apple, Samsung, Google Pixel
Media Players
allow you to listen to audio files and watch videos
-personal media players
-now being used to describe streaming MP such as Roku, Amazon Firestick
Server
computer system in a network that is shared by multiple users
-network server
-web server
-file server
network server
controls access to resources such as printers and apps on a network
web server
controls access to resources on web
file server
used for data storage
Mainframe
more powerful than servers
-used by orgs to process large amounts of data
-commonly used by banks or retailers
Supercomputers
most powerful type
-can evaluate complex data very quickly
-many used by government and large research universities
Processor
brains of computer
-most important hardware component
-located on motherboard
two main components of processors
1. Arithmetic Logic Unit (mathematical tasks)
2. Control Unit (locates, analyzes, and executes instructions)
The Machine Cycle
every time a processor executes an instruction from a program
1. fetch
2. decode
3. execute
4. store
Clock Speed
# of instructions a computer can process in a second
-aka clock rate
-measured in hertz
-modern processors: mils of instructions/second
overclocking
