INTRO TO COMP - SA2
is the number of bytes (characters) a storage medium can hold
capacity
Current ____ have storage capacities of 16 GB to 256 GB and more.
SSD
The function of the mouse buttons and the wheel varies depending on the program.
True
A(n) ____ device is any hardware component that conveys information to one or more people
output
Dynamic RAM (DRAM) chips are faster and more reliable than any version of SCRAM chips.
False
RAM technology uses battery power to retain information even when the power to the computer is off.
False
The access time (speed) of memory has no effect on the overall performance of a computer.
False
The higher the nits of an LCD monitor or LCD screen, the dimmer the images
False
The lower the time in milliseconds it takes to turn on or off on an LCD monitor, the slower the response time.
False
Machine Cycle: Process of obtaining a program instruction or data item from memory
Fetching
The case of the system unit is made of metal or plastic and protects the internal electronic components from damage.
True
When the processor needs an instruction or data, it searches memory in this order: L1 cache, then L2 cache, then L3 cache (if it exists), then RAM - with a greater delay in processing for each level it must search.
True
Also known as Graphics Card
Video Card
Common types of flash memory cards include ________
all other choices are correct
Printed information, called ____ copy, exists physically and is a more permanent form of output.
hard
The ____ is a symbol on the screen, usually a blinking vertical bar, that indicates where the next character typed will display.
insertion point
Some computer and chip manufacturers use the term ____ to refer to a personal computer processor chip
microprocessor
the component of the processor that performs arithmetic, comparison, and other operations
Arithmetic Logic Unit (ALU)
______ is a duplicate of a file, program, or disk that can be used in case the original is lost, damaged, or destroyed
Backup
The _____ interprets and carries out the basic instructions that operate a computer.
CPU or processor
The case of the system unit, sometimes called _____
Chassis
The pace of the system clock, called the ____ speed, is measured by the number of ticks per second.
Clock
Each tick of the system clock equates to a ______
Clock cycle
____ storage is an Internet service that provides storage to computer users.
Cloud computing/Cloud storage
Contain the framework to support and enclose internal components of the computer system.
Computer Case
a small piece of semi-conducting material, usually silicon, on which integrated circuits are etched.
Computer Chip
Consists of hardware and software components.
Computer system
directs and coordinates most of the operations in the computer
Control Unit
Most high-performance PCs use some type of processor in the Intel ________ family.
Core
In the machine cycle steps, the term ____ refers to the process of translating instructions into signals the computer can execute.
Decoding
Electronic components and most storage devices are part of the system unit.
Desktop personal computers
If the computer has an internal hard disk (drive C) and a DVD drive (drive D) and no other disk drives, what drive will the USB flash drive probably be.
E (drive E)
Machine Cycle: Process of carrying out commands
Executing
What are the 4 process of Machine Cycle
Fetching - Decoding - Executing - Storing
_________ is the process of dividing a disk into tracks and sectors, so the operating system can store and locate data and information of the disk
Formatting
____, are special keys programmed to issue commands to a computer
Function keys
____ is a chip that controls the manipulation and display of graphics on a display device.
GPU (Graphics Processing Unit)
The inflexible, circular platters on ____ disks use magnetic particles to store data, instructions, and information on a disk's surface.
Hard
physical equipment such as: The case, storage drives, keyboards, monitors, cables, speakers, and printers
Hardware
With ____ printing, a printer communicates with a device using light waves.
Infrared
The faster the clock speed, the more ________ the processor can execute per second
Instruction
__________ circuit, which is etched on a computer chip, contains many microscopic pathways capable of carrying electrical current
Integrated Circuits (IC)
AMD is the leading manufacturer of ____-compatible processors, which have an internal design similar to Intel processors, perform the same functions, can be as powerful, but often are less expensive
Intel
Allows data to travel among the various components. It is the main printed circuit board of the system unit that contains the buses, or electrical pathways found in a computer.
Motherboard
processor is a chip with two or more separate processors.
Multi-core processor
disc is a type of storage media that consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser
Optical Disc
_________disc is a type of storage media that consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser.
Optical disc
A printer uses software that enables it to interpret a(n) ____, which tells the printer how to lay out the contents of a printed page.
Page Description Language (PDL)
Converts the Alternating high Voltage current (AC) into Direct Current (DC)
Power Supply
A processor contains small high-speed storage locations, called ____, that temporarily hold data and instructions
Registers
To fit in notebook and many handheld computers, the keyboards usually are ______.
Smaller and have fewer keys
Machine Cycle: Process of writing the result of memory
Storing
a case that contains electronic components of the computer used to process data
System Unit
is a case that contains electronic components of the computer used to process data.
System Unit
a small, flat, rectangular pointing device that is sensitive to pressure and motion.
Touchpad
_____ which is contained on an integrated circuit, can act as an electronic switch that opens or closes the circuit for electrical charges
Transistor
A byte is uninformative because it provides only enough difference of 0s and 1s to represent 8 individual characters.
True
A newer of OLED technology is in the head - mounted display (HMD), which is a display in a helmet, goggles, or glasses. False
True
Having plug or play support means you can plug in a device, turn on the computer, and then immediately begin using the device.
True
In addition to games, joysticks, wheels, and gamepads that include force feedback are used in practical applications such as in the military and aviation.
True
L2 cache is slightly faster than L1 cache but has a much smaller capacity
True
Pixel pitch describes the difference in light intensity between the brightest white and the darkest black that can be displayed on an LCD monitor.
True
Saving is the process of copying items from a storage device such as a hard disk to RAM.
True
Some motherboards include all necessary capabilities and do not require adapter cards.
True
is an output device that conveys text, graphics, and video information
display
The goal of ________ is to incorporate comfort, efficiency, and safety in the design of items in the workplace.
ergonomic
________ keyboard has a design that reduces the chance of wrist and hand injuries
ergonomic keyboard
A(n) ____ keyboard is designed specifically for users that enjoy playing games on the computer.
gaming
________ device is any hardware component that allows users to enter data or instructions into the computer
input device
A(n) ____ mouse uses devices that emit and sense light to detect movement
optical mouse
An audio ____ device is a component of a computer that produces music, speech, or other sounds, such as beeps.
output
it begins by fetching a second instruction before the first instruction finishes the machine cycle
pipelining
_________ hard drive is a self-contained unit that you insert in and remove from a slot or USB port in a device or a computer.
pocket or removable
In a graphical user interface, a(n) ____ is a small symbol on the screen whose location and shape changes as a user moves a pointing device
pointer
In a graphical user interface, a(n) ________ is a small symbol on the screen whose location and shape changes as a user moves a pointing device
pointer
the device is an input device that allows a user to control a pointer on the screen
pointing device
The ____ is the component of the system unit that converts the wall outlet AC power into the DC power a computer requires.
power supply
A hard copy also is called a(n) ________.
printout
holds data, instructions, and information for future use.
storage
________ device is the computer hardware that records and/or retrieves items to and from storage media (
storage device
A type of processor called ________ on a chip integrates the functions of a processor, memory, and a video card on a single chip
system
A(n) ____ drive is a flash memory storage device that plugs in a USB port on a computer or portable device.
thumb
A(n) ____ is a touch - sensitive display device that users interact with by touching the screen with a finger.
touch screen
All computer keyboards have ____ that includes letters of the alphabet, numbers, punctuation marks, and other basic keys.
typing area
used to store data and instructions.
Memory
Replacing a motherboard is a fairly simple process, whereas replacing a processor is much more complicated.
True
any data and instructions entered into the memory of a computer
input
A printer creates images using a laser beam and powdered ink, called
toner
Optical discs usually are ____ than one-twentieth of an inch thick.
4.75 inches in diameter and less
An Advantage of portable hard disks and removable hard disks is that users can ____
all other choices are correct