M3 Formative Questions Flashcards
A(n) * , such as a keyboard or printer, is a device that connects to the system unit and is controlled by the processor
peripheral
A(n) * card is a circuit board that enhances functions of a component of the system unit and/or provides connections to peripherals
adapter
- is the most common type of volatile memory
RAM
The pace of the system clock, called the *, is measured by the number of tics per second
clock
Double Data Rate SDRAM chips are even faster than SDRAM chips because they *
transfer data twice for each clock type
A(n) * circuit, which is etched on a computer chip, contains many microscopic pathways capable of carrying electrical current
integrated
A(n) * changer is a device that enables users to join two connectors that are both female or both male
gender
If a memory chip can store 100 KB, it can hold approx 100,000 bytes
true
A(n) * is an opening inside the system unit in which additional equipment can be installed
bay
some motherboards include all necessary capabilities and do not require adapter cards
True
- is a chache separate from the processor chip on the motherboard
L3 cache
A(n) *, which contained on an integrated circuit, can act as an electronic switch that opens or closes the circuit for electrical charges
transistor
each processor on a multi-core chip generally runs at a slower clock speed than a single-core processor
true
the role of memory to store both data and programs is known as the concept
stored program
The * unit is a case that contains electronic components of the computer used to process data
system
A processor contains small high-speed storage locations, called * , that temporarily hold data and instructions
registers
In the machine cycle steps, * is the process of carrying out commands.
executing
A byte is uninformative because it provides only enough different combinations of 0s and 1s to represent 8 individual characters
false
A * has pins on opposite sides of the circuit board that connect together to form one set of contacts
SIMM single inline memory module
A(n) * disc is a type of storage media that consists of a flat, rount, portable disc made of metal, plastic, and lacquer that is written and read by a laser
optical
Devices including all of the following EXCEPT * often have internal miniature hard disks.
media players
smart phones
laptops
digital cameras
laptops
A(n) * is made of aluminum, glass, or ceramic and is coated with an alloy material that allows items to be recorded magnetically on its structure
platter
A read/write * is the mechanism that reads and writer items in the drive as it barely touches the disk’s recording surface
head
Depending on the type of hard disk, transfer rates ranges from *
15 - 320 MBps
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
- is the process of dividing a disk into tracks and sectors, so the operating system can store and locate data and information on the disk
formatting
Morotola is the leading manufacturer of intel-compatible processors, which have an internal design similar to Intel processors, perform the same functions, and can be as powerful, but often are less expensive
false AMD
Manufacturers and other retailers usually list a computer’s memory in terms of its access time
false
Replacing a motherboard is a fairly simple process, whereas replacing a processor is much more complicated
false
many cloud storage providers offer *
passwords, encryption, web apps
Acess time for today;s hard disks range from *
3 - 12 ms
- devices are servers connected to a network with the sole purpose of providing storage
NAS
a special high-speed parallel port that allows users to attach peripherals such as disk drivers and printers
SCSI port
In the machine cycle steps, the term * refers to the process of translating instructions into signals the computer can execute
decoding
- technology uses a continuous flow of fluid(s), such as water and glycol, in a process that transfers the heated fluid away from the processor
liquid cooling
Within the circuitry of a computer, each channel along which bits transfer, called a(n) *, allows the various devices both inside and attached tot he system unit to communicate with each other
bus
users subscribe to a loud storage to
SAVE TIME by storing large files instantly
STORE offsite BACKUPS of data
allow OTHERS TO ACCESS files
- is the number of bytes (characters) a storage medium can hold
capacity
ExpressCard modules can be used to add all of the following except * capabilities to a computer
communications
memory
storage
printing
printing
Place a CD or DVD in its protective case, called a(n( box, when it is not being used
jewel
All of the following are characteristics of hard disks EXCEPT ____.
a. write-protect notch
c. sectors and tracks
b. read/write head
d. capacity
a
A(n) ____ smart drive is a special type of USB flash drive that includes preinstalled software accessed
through a Windows-type interface.
U3
Current USB flash drives like the one in the accompanying figure have transfer rates of ____.
12 MBps
Some cloud storage services charge an additional per ____ fee for data transferred to and from the
cloud storage service.
gigabyte
A(n) ____ device is the computer hardware that records and/or retrieves items to and from storage me-
dia.
storage
Synchronous DRAM (SDRAM) chips ___
are synchronized to the system clock
Most high-performance PCs use some type of processor in the Intel ____ family.
core
The ____ is the electronic component that interprets and carries out the basic instructions that operate
the computer.
control unit
The ____ interprets and carries out the basic instructions that operate a computer.
CPU
The cases of the system unit, sometimes called the ____, is made of metal or plastic and protects the
internal electronic components from damage.
chassis
Preventive maintenance of your computer requires a few basic products, including ____.
a. lint-free antistatic wipes and swabs
c. screen cleaning solution
b. antistatic wristband
As shown in the accompanying figure, a(n) ____ drive is a flash memory storage device that plugs in a
USB port on a computer or portable device.
thumb
Some computers improve hard disk access time by using a disk * which consists of memory chips that store frequently accessed items
cache
the cost of an 16 GB CompactFlash card is the same as a ____ GB external hard disk.
640
The drive designation of an optical disc drive, into which the disc shown in the accompanying figure
would fit, usually ____.
follows alphabetically after that of all the hard disks
- is a type of nonvolatile memory that can be erased electronically and reprogrammed, similar to EEPROM.
flash memory
the * is the component of the processor arithmetic, comparison, and other operations
ALU
A disk ____ consists of a special-purpose chip and electronic circuits that control the transfer of data,
instructions, and information from a disk to and from the system bus and other components in the
computer.
controller
Google Docs is a cloud storage provider for all of the following EXCEPT ____.
a. spreadsheets
c. e-mail messages
b. presentations
d. documents
c
The smallest unit of data a computer can process is a(n) ____.
bit
Optical discs, commonly store items in ____.
a single track that spirals from the center of the disc to the edge of the disc
Experts estimate that hard disks using perpendicular recording will provide storage capacities about ____ times greater than disks that use longitudinal recording.
10
The size of a bus, called the bus ____, determines the number of bits that the computer can transmit at
one time.
width
A(n) ____ processor is a chip with two or more separate processors.
multi-core
Some external peripherals such as an external modem, speakers, or a tape drive have an AC ____,
which is an external power supply.
adapter
A(n) ____ is an opening inside the system unit in which additional equipment can be installed.
bay
A(n) ____ 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.
removable
All of the following may scratch or damage an optical disc EXCEPT ____.
a. holding a disk by its edges
c. touching the underside of a disc
b. stacking disks
d. exposing disks to any type of contaminant
a
An advantage of portable hard disks and removable hard disks is that users can ____.
a. transport a large number of files
b. add storage space to a notebook computer or Tablet PC
c. easily store large audio and video files
d. all of the above
d
Impact printers commonly produce ____ output, which is print quality slightly less clear than what is acceptable for business letters.
NQL
A(n) ____ mouse is a battery-powered mouse that transmits data using wireless technology, such as ra-
dio waves or infrared light waves.
wireless
A(n) ____ keyboard is designed specifically for users that enjoy playing games on the computer.
gaming
A(n) ____ is an output device that produces text and graphics on a physical medium such as paper or transparency film.
printer
Keyboards, such as that shown in the accompanying figure, contain keys that allow users to position
the insertion point, also known as a(n) ____ in some programs.
cursor
Pixel pitch, sometimes called ____ pitch, is the distance in millimeters between pixels on a display device.
dot
an instruction that causes a program to perform a specific action
command
____ is any data and instructions entered into the memory of a computer.
input
Commonly used nonimpact printers unclude all of the following except *
a. laser printers and thermal printers
b. mobline printers, and label and postage printers
c. line printers are dot-matrix printers
d. Ink-jet printers and photo printers
c
A program is ____.
a series of instructions that tells a computer what to do and how to do it
