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WorksheetsChapter 2 Practice Test-Hardware
Total questions: 30
Worksheet time: 15mins
All of the following are categories of computers except ____________________________.
Supercomputers
Servers
Mega-FLOP computers
Mainframes
Which of the following best describes a peripheral device?
Supplemental hard drive configured as a child.
Attached device that is not critical to computer operation.
Any piece of the computer hardware
Any device that translates data from the human world into compute data.
What are the two instructions of processing?
Additions and decisions
Partitions and additions
Decisions and divisions
Divisions and partitions
Which is NOT an example of an operating system?
Windows
GNU/Linux
Mac OS
Microsoft Office
One gigahertz is equal to one___________________ cycles per second.
Million
Billion
Trillion
Quadrillion
What is the symbol for hertz?
Hz
Hs
H
HtZ
There are two types of memory: _______________ and ________________.
Read-only memory, write-only memory
Write-only memory, random-access memory
Random-access memory, read-only memory
Read-only memory, authenticated-accessible memory
Which describes the difference between volatile and involatile memory?
Volatile memory is a cache of viruses, but involatile memory is a cache of virus cures.
Volatile memory is erased when the power is off, but involatile memory is kept even when the computer is turned off.
Hard drives are examples of volatile memory, where RAM is an example of involatile memory.
A. They are the same, but volatile memory is slower.
What are the three basic types of storage media?
Magnetic media, flash storage, and RAM.
Magnetic media, optical storage, and solid-state devices.
Flash storage, RAM, and read-only
Optical storage, solid state devices, and read-only
A _____________ is the most common pointing device.
Mouse
Touch screen
Stylus
Touch pad
The arithmetic/logic unit (ALU) is one of the two primary components of a CPU. What is the other component?
Complex unit
Control unit
Universal serial unit
Electronic array unit
The speed of supercomputers is usually measured in __________________, while speed of mainframe computers is usually measured in ___________________.
MIPS, FLOPS
GHz, MHz
FLOPS, MIPS
MHz, GHz
What is the most common arrangement of keys on a keyboard in the United States?
The AZERTY layout
WERTZ layout
Dvorak layout
QWERTY layout
Which of the following is an output device?
Monitor
Microphone
Keyboard
Graphic tablet
Which of the following devices has the largest storage capacity?
Floppy disk
CD
DVD
Blue-ray disc
Arithmetic/logic unit (ALU)
Describes using a small program to get the computer running and the OS loaded
Measurement of printer’s resolution
Circuitry and software that hold instructions for initializing the hardware and loading the main OS.
Temporarily holds data that are being processed and handles all mathematical operations.
Booting
Similar to RAM, but they have an integrated circuit to store data as involatile memory rather than volatile memory.
Describes using a small program to get the computer running and the OS loaded
Transforms computer information into a physical form.
Mean by which a user enters data and receives feedback
Clock speed
Rating of how many cycles of instructions a CPU can perform in one second.
Measurement of printer’s resolution
Temporarily holds data that are being processed and handles all mathematical operations.
Removable peripheral devices and the most recognizable examples of SSDs
Dots per inch
Involves saving data as tiny pits in foil on a plastic disc.
Measurement of printer’s resolution
Connects all of the hardware in the computer
Uses a laser instead of a rollerball to track movements.
Firmware
Similar to RAM, but they have an integrated circuit to store data as involatile memory rather than volatile memory.
Software that manages all of the devices, as well as locates and provides instructions to the CPU.
Connects all of the hardware in the computer
Circuitry and software that hold instructions for initializing the hardware and loading the main OS.
Flash drive
Uses a laser instead of a rollerball to track movements.
Industry standard for communication between devices and the computer
Rating of how many cycles of instructions a CPU can perform in one second.
Removable peripheral devices and the most recognizable examples of SSDs
Motherboard
Connects all of the hardware in the computer
Industry standard for communication between devices and the computer
Describes using a small program to get the computer running and the OS loaded
Temporarily holds data that are being processed and handles all mathematical operations.
Operating system
Name of a storage device.
Describes using a small program to get the computer running and the OS loaded
Software that manages all of the devices, as well as locates and provides instructions to the CPU.
Mean by which a user enters data and receives feedback
Optical mouse
Uses a laser instead of a rollerball to track movements.
Mean by which a user enters data and receives feedback
Software that manages all of the devices, as well as locates and provides instructions to the CPU.
Connects all of the hardware in the computer
Optical Storage
Name of a storage device.
Removable peripheral devices and the most recognizable examples of SSDs
Temporarily holds data that are being processed and handles all mathematical operations.
Involves saving data as tiny pits in foil on a plastic disc.
Printer
Mean by which a user enters data and receives feedback
Rating of how many cycles of instructions a CPU can perform in one second.
Describes using a small program to get the computer running and the OS loaded
Transforms computer information into a physical form.
Solid-stage drives (SSDs)
Uses a laser instead of a rollerball to track movements.
Connects all of the hardware in the computer
Temporarily holds data that are being processed and handles all mathematical operations.
Similar to RAM, but they have an integrated circuit to store data as involatile memory rather than volatile memory.
Universal serial bus (USB)
Transforms computer information into a physical form.
Industry standard for communication between devices and the computer
Software that manages all of the devices, as well as locates and provides instructions to the CPU.
Mean by which a user enters data and receives feedback
User interface (UI)
Transforms computer information into a physical form.
Industry standard for communication between devices and the computer
Software that manages all of the devices, as well as locates and provides instructions to the CPU.
Mean by which a user enters data and receives feedback
Volume label
Transforms computer information into a physical form.
Industry standard for communication between devices and the computer.
Mean by which a user enters data and receives feedback.
Name of a storage device.
