IT Chp 2 study questions
why is ergonomics important
repetitive nature of long term computing activities can place stress on joints, tendons, and muscles, causing repetitive stress injuries: carpal tunnel, it is important for all computing devices to be arranged appropriately
which power control option performs a warm boot: restart, sleep, log off, or shut down
restart
the number of pixels that can be displayed on the screen at one time is know as what: screen resolution, viewing angle, color depth, or pixel density
screen resolution
a<n> _____ is a laptop computer that can convert into a tablet-like device
2-in-1 pc
which of the following is not a port: HDMI, CPU, USB, or Thunderbolt
CPU
which of these is considered the brains of the computer: USB, ROM, RAM, or CPU
CPU
True/False: Smartphones have more computing power than desktop computers
False
True/False: all cell phones are now smartphones
False
True/False: smartphones do not contain a CPU
False
True/False: A touch pad is a pointing device usually found in tablets
False: a touch pad is most commonly found in laptops
what functions of a computer is mostly responsible for turning data into information
processing
which of the following is one of the four major functions of a computer<indexing, verification, processing, handling
processing
True/False: SSD drives are superior to conventional disk drives because they have no moving parts.
True
True/False: smartphones are considered a type of computer
True
True/False: the "brain" of the computer is the CPU
True
examples of sensors found in certain smartphones
accelerometer, gyroscope, magnetometer, proximity sensor, light sensor, barometer, thermometer, pedometer, fingerprint sensor, heat rate monitor
in a computer, each __________ can represent one letter, number, or symbol
byte
the most common output device for soft output is a
display screen
which component of the computing devices <display screen, hard drive, wifi adapter, or bluetooth adapter> drains the battery the fastest?
display screen
which can be both an input device and an output device: mouse, keyboard, display screen, or laser printer
display screen when it is touch screen
True/False: data and information are interchangeable terms
false: Data are simply facts or figures — bits of information, but not information itself. When data are processed, interpreted, organized, structured or presented so as to make them meaningful or useful, they are called information. Information provides context for data.
which of the following is NOT found on a motherboard: RAM, CPU, sound card, or hard drive
hard drive
_____ printers work by spraying tiny drops of ink onto paper
inkjet printer
which is faster a laser printer or a inkjet printer
laser
what type of printer heats toner to adhere it to the paper: inkjet, impact, 3D, or laser
laser printer
the fastest computer port is the ____ port
thunderbolt
True/False: RAM is nonvolatile storage.
true: Nonvolatile read/write storage devices, such as Flash ROM or magnetic disk. Nonvolatile flash or RAM storage is considered a ROM device if the computer it is installed on is unable to write to the file system. ... However, the memory content in RAM is persisted only through the use of a power source such as a battery.
touch-screen devices usually feature _____ keyboards
virtual
