Info-Tech Unit 4 Test - The System Unit
Please answer these questions about "The System Unit" to the best of your ability.
Name:
1
On ____, the electronic components and most storage devices are part of the system unit and other devices, such as the keyboard, mouse, and monitor, normally occupy space outside the system unit.
desktop personal computers
notebook computers
mobile devices
all of the above
2
The cases of the system unit, sometimes called the ____, is made of metal or plastic and protects the internal electronic components from damage.
form factor
chassis
motherboard
chip
3
Some computer and chip manufacturers use the term ____ to refer to a personal computer processor chip.
microprocessor
parallel processor
coprocessor
perpendicular processor
4
Each tick of the system clock equates to a ____.
clock shot
clock spring
clock rhythm
clock cycle
5
Memory stores ____.
the operating system and other system software
application programs that carry out a specific task
the data being processed and the resulting information
all of the above
6
A(n) ____ is the basic storage unit in memory.
byte
address
kilobyte
RAM
7
A ____ is equal to approximately 1 million bytes.
kilobyte (KB or K)
megabyte (MB)
gigabyte (GB)
terabyte (TB)
8
A ____ equals approximately 1 billion bytes.
kilobyte (KB or K)
megabyte (MB)
gigabyte (GB)
terabyte (TB)
9
____ is the most common type of volatile memory.
ROM
Flash memory
CMOS
RAM
10
A sound card ____.
enhances the audio-generating capabilities of a personal computer by allowing sound to be input through a microphone and output through external speakers or headphones
converts computer output into a signal that travels through a cable to the monitor, which displays an image on the screen
connects computers through telephone or cable television lines
connects other computers and peripherals
11
A video card, also called a graphics card, ____.
enhances the audio-generating capabilities of a personal computer by allowing sound to be input through a microphone and output through external speakers or headphones
converts computer output into a signal that travels through a cable to the monitor, which displays an image on the screen
connects computers through telephone or cable television lines
connects other computers and peripherals
12
Instead of port, the term ____ sometimes is used to identify audio and video ports.
bus
hub
bay
jack
13
A SCSI port is ____.
similar to a USB port in that it can connect multiple types of devices that require faster data transmission speeds
a special high-speed parallel port that allows users to attach peripherals such as disk drives and printers
a special type of serial port that connects the system unit to a musical instrument
an alternative to IrDA that uses radio waves to transmit data between two devices
14
Bluetooth technology is ____.
similar to a USB port in that it can connect multiple types of devices that require faster data transmission speeds
a special high-speed parallel port that allows users to attach peripherals such as disk drives and printers
a special type of serial port that connects the system unit to a musical instrument
an alternative to IrDA that uses radio waves to transmit data between two devices
15
The Accelerated Graphics Port (AGP) is ____.
the most common and slowest expansion bus
a bus designed to improve the speed with which 3-D graphics and video transmit
a high-speed expansion bus that connects higher speed devices
a bus that eliminates the need to install cards into expansion slots
16
The USB (universal serial bus) and FireWire bus are ____.
the most common and slowest expansion bus
a bus designed to improve the speed with which 3-D graphics and video transmit
a high-speed expansion bus that connects higher speed devices
a bus that eliminates the need to install cards into expansion slots
17
The first step in cleaning a computer is ____.
turn it off, unplug it, and unplug all cables from the ports
vacuum the fan on the back of the computer case
wipe the case with an antistatic wipe
open the case
18
The ____ unit is a case that contains electronic components of the computer used to process data.
system
master
control
base
19
A computer ____ is a small piece of semi-conducting material, usually silicon, on which integrated circuits are etched.
plug
port
chip
roster
20
A(n) ____, which is contained on an integrated circuit, can act as an electronic switch that opens or closes the circuit for electrical charges.
transistor
switcher
capacitor
resistor
21
Together, four operations (fetching, decoding, executing, and storing) comprise a(n) ____ cycle.
baseline
machine
registration
pipelined
22
With ____, the processor begins fetching a second instruction before it completes the machine cycle for the first instruction.
clocking
multi-core processing
pipelining
recatching
23
The processor relies on a small quartz crystal circuit called the ____ clock to control the timing of all computer operations.
system
master
unit
control
24
A(n) ____ processor is a chip with two or more separate processors.
parallel
compressed
multi-core
binary
25
Because a heat sink consumes a lot of space, a smaller device called a heat ____ cools processors in notebook computers.
offshoot
compressor
payload
pipe
26
A method known as ____ processing uses multiple processors simultaneously to execute a single program or task.
parallel
binary
multi-core
main core
27
The ____ system is a number system that has just two unique digits, 0 and 1, called bits.
unary
binary
Unicode
ASCII
28
When 8 bits are grouped together as a unit, they form a(n) ____.
key
cache
index
byte
29
Each byte resides temporarily in a location in memory, called a(n) ____.
address
location
register
keycode
30
____ memory does not lose its contents when power is removed from the computer.
Volotile
Nonvolotile
Cached
Pipelined
31
Most of today’s computers improve processing time with ____, which stores frequently used instructions and data.
PROM
pipes
cache
indices
32
____ cache is a type of cache that helps speed the processes of a computer because it stores frequently used instructions and data.
Programmable
Real-time
Read-only
Memory
33
____ refers to memory chips storing permanent data and instructions.
ROM
RAM
PRAM
MRAM
34
A(n) ____ chip is a blank ROM chip onto which a programmer can write permanently.
EEPROM
PROM
CMOS
CMIS
35
____ time is the amount of time it takes the processor to read data, instructions, and information from memory.
access
meter
processing
connection
36
A (n)____ slot is a socket on the motherboard that can hold an adapter card
reading
expansion
serial
parallel
37
A(n) ____ is the point at which a peripheral attaches to or communicates with the system unit so it can send data or receive information from the computer.
signal receptor
analog
port
baseline
38
A(n) ____ joins a cable to a peripheral.
link
access joint
port
connector
39
A(n) ____ port is a type of interface that connects a device to the system unit by transmitting data one bit at a time.
serial
USB
FireWire
parallel
40
You are looking for a port that will allow a system unit to have the capability of recording sounds that have been created by a synthesizer and then processing the sounds to create new sounds. Which of the following ports satisfy this requirement?
IrDA
eSATA
Bluetooth
MIDI
Extra Credit
You have a new wireless headset that you plan to connect to your smart phone. Which of the following types of headsets do you have?
IrDA
eSATA
Bluetooth
MIDI