Chapter 7 Review
One gigahertz (GHz) equals how many ticks of the system clock per second?
1,000,000,000
What is unique about a multi-core processor?
2 or more separate processors
When 8 bits are grouped as a unit, how many individual characters can these 8 bits represent?
256
When 8 bits are grouped together as a unit, how many individual characters can these 8 bits represent
256
If a computer advertisement states a computer operates at 5 GHz, what does that mean?
5 billion clock cycles per second
Within the circuitry of a computer, each channel along which bits transfer allows the various devices both inside and attached to the system unit to communicate with each other. What are these channels.
Bus
Which of the following interprets and carries out the basic instructions that operate a computer?
CPU - processor
What are three names for the electronic component that interprets and carries out the basic instructions that operate a computer?
CPU, processor, central processing unit
Current processors include advanced transfer cache, a type of cache built directly on a processor chip. Which type of cache is this?
L2 cache
Which is the following is cache separate from the processor chip?
L3
Which of the following adapter cards connects to musical instructions?
NUDI
Which of the following is the most common type of volatile memory?
RAM
Which of the following is the component of the processor that performs arithmetic, comparison, and other operations?
arithmetic logic unit (ALU)
How many fans are typically in a desktop?
at least 3
In most computers, the ________ is the same as the bus width
word size
Which of the following is another term for the system unit?
chassis
Which of the following is measured by the number of ticks per second?
clock speed
Which of the following refers to an environment of servers that house and provide access to resources users access via the Internet?
cloud computing
What does CMOS, which provides high speeds and consumes littler power, stand for
complementary metal-oxide semiconducter
What does CMOS, which provides high speeds and consumes little power, stand for?
complementary metal-oxide semiconductor
Which of the following is a small piece of semiconducting material, usually silicon, on which integrated circuits are etched?
computer chip
What is the purpose of the system bus?
connects processor to main memory
Which of the following is the component of the processor that directs and coordinates most of the operations in the computer?
control unit - CU
What are the roles of the control unit and the ALU?
control unit directs operations
Which kind of tablet positions the case below a keyboard, providing functionality similar to that of a laptop?
convertible
Which of the following rests below a laptop and protects the computer from overheating and also your lap from excessive heat?
cooling pad
What are the four steps in the machine cycle?
decoding, executing, storing, and fetching
Which of the following is the component of the system unit that converts the wall outlet AC power into the DC power a computer requires?
desktop power supply
Which of the following types of memory modules positions the pins on opposite sides of the circuit board so they do not connect and thus form two set of contacts?
dimm
Which of the following should you have if you plan to connect your computer or mobile device to a wired computer network?
ethernet port
Which of the following allows the processor to communicate with peripheral devices?
expansion bus
Which of the following is an alternate term for an adaptor card?
expansion card; adaptor board
T or F A dual-core processor doubles the processing speed of a single-core processor
false
T or F In the binary system, the digit 1 represents the electronic state of off
false
T or F In the machine cycle, decoding is the process of obtaining a program instruction or data item from memory
false
T or F In the machine cycle, fetching refers to the process of translating instructions into signals the computer can execute
false
T or F Processors all use the same type of register
false
T or F Registers are part of the memory
false
T or F Saving is the process of copying items from a storage device such as a hard disk to RAM
false
T or F The access time of memory has no effect on how fast a computer processes data
false
T or F The data bus transfers information about where the data should reside in memory, and the address bus transfers actual data
false
T or F The electronic components and circuitry of the system unit, such as the processor and memory, usually are part of or are connected to a circuit board called the fatherboard
false
T or F The larger the number of bits handled by the bus, the slower the computer transfers data
false
T or F Together, the four basic operations on a processor comprise a pipeline cycle
false
T or F When the computer's power is turned off, volatile memory does not lose its contents
false
Which of the following identifies ROM chips that contain permanently written data, instruction, or information
firmware
Which of the following identifies ROM chips that contain permanently written data, instructions, or information?
firmware
Which of the following is a kind of ROM chip that contains permanently written data, instructions, or information that is recorded when the chip is manufactured?
firmware
Which of the following is a type of nonvolatile memory that can be erased electronically and rewritten?
flash memory
With ______, you can insert and remove a device while the computer is running.
hot plugging
Your business is looking to rely on cloud computing services to manage your company's hardware, for example. What is the term for this?
infrastructure as a service
The faster the clock speed, the more of these the processor can execute per second. What are they?
instructions
When a user runs an application, what transfers from a storage device to memory?
instructions
Which of the following circuits contains many microscopic pathways capable of carrying electrical current?
integrated circuit
When you examine a computer chip under a microscope, what will you see?
integrated circuits
Which of the following consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processed data (information)?
memory
What are small circuit boards where RAM chips usually reside, being inserted into the motherboard?
memory module
Where do RAM chips usually reside within a computer
memory module
Where do RAM chips usually reside within a computer?
memory module
What on the motherboard holds the memory modules?
memory slots
Some computer and chip manufacturers use which of the following terms to refer to a personal computer processor chip?
microprocessor
When your friend opened the case of his computer, he saw the main circuit board for the computer. What is this circuit board called?
motherboard
Which of the following processors is a single chip with two or more separate processor cores?
multi-core processor
_______ memory does not lose it contents when power is removed from the computer
nonvolatile
Your business is looking to rely on cloud computing services to create application using web-based development platforms. What is the term for this?
platform as a service
Your business is looking to rely on cloud computing services to create applications using web-based development platforms. What is the term for this?
platform as a service
Which of the following means the computer automatically can configure cards and other peripherals as users install them?
plug and play
What component converts the AC power in a wall plug to the DC power required by a computer?
power supply
A processor contains small, high-speed storage locations, called ______, that temporarily hold data and instructions
register
Which of the following are small high-speed storage locations contained by the processor that temporarily hold data and instructions?
registers
What is the process of copying items from RAM to a storage device?
saving
Which kind of tablet typically does not include a physical keyboard and puts the case behind the display?
slate tablet
Your business is looking to rely on cloud computing services to provide system backup and the archiving of earlier versions of files, for example. What is the term for this?
storage as a service
Which of the following is a register function?
storing location from where instruction is fetched
Which of the following is true of synchronous DRAM (SDRAM) chips?
synchronized to system clock
Which of the following is the main circuit board of the system unit?
system board
The processor relies on which of the following to control the timing of all computer operations?
system clock
Which of the following is a case on a desktop that contains and protects motherboard and other electronic components?
system unit
When someone reads a research paper about computers and runs across the term, bit, to what is the paper referring?
the smallest unit data a computer can process
To which of the following is a control unit most analogous?
traffic officer
Double Data Rate SDRAM (DDR SDRAM) chips are even faster than SDRAM chips because which of the following is true?
transfer data 2x for each clock stage
Which of the following is contained on an integrated circuit and can act as an electronic switch that opens and closes the circuit for electrical charges?
transistor
T or F A blocked vent can prohibit heat from escaping, which ultimately can cause the computer or mobile device to overheat
true
T or F A heat sink is a small ceramic or metal component with fins on its surface that absorbs and disperses heat produced by electrical components such as a processor
true
T or F Built into the power supply is a fan that keeps the power supple cool
true
T or F Data needed by programs and application enters memory from either an input device or a storage device
true
T or F Having Plug and Play support means you can plug in a device, turn on the computer, and them immediately begin using the device
true
T or F In the machine cycle, executing is the process of carrying out commands
true
T or F Liquid cooling technology uses a continuous flow of fluids in a process that transfers the heated fluid away from the processor to a radiator-type grill, which cools the liquid, and then returns the cooled fluid processor
true
T or F Many batteries on computers and mobile devices can be only a certain number of times before they fail completely
true
T or F Programs and app that you no longer need may consume a significant amount of space on your computer or mobile device.
true
T or F ROM is nonvolatile
true
T or F The batteries in mobile computers and devices typically are rechargeable lithium-ion batteries
true
T or F The case of the system unit is made of metal or plastic and protects the internal electronic components from damage
true
T or F The speed of the system clock is one of the factors that influences a computer's performance
true
T or F When the processor needs an instruction or data, it searches memory in this order: L1 cache, then L2 cache, then L3 cache, then RAM- with a greater delay in processing for each level it must search
true
You should read reviews for programs and apps before you download and/or install them to make sure the program or app will meet your needs. T or F
true
Which of the following cards converts computer output into a video signal that travels through a cable to the monitor, which displays an image on the screen?
video card
When your friend turns off her computer, what kind of memory loses its contents?
volatile
When your friend turns off her computer, what kind of memory loses its contents
volitale
Which of the following kinds of card is a circuit board that enhances functions of a component of the system unit and/or provides connection to peripherals?
adapter card
Which component allows processors to perform at faster rates than those processors that do not have this component?
advanced transfer cash
which component allows processors to perform at faster rates than those processors that do not have this component
advanced transfer cash
What is memory access time?
amount of time it takes the processor to read data, instructions & info from memory
Which of the following connects the processor to cache?
backside bus
A nanosecond (abbreviated ns) is one _________ of a second.
billionth
The __________ system is a number system that has just two unique digits, 0 and 1, called bits.
binary
What numbering system uses only the numbers 0 and 1?
binary
What numbering system only uses the numbers 0 and 1
binary code
Which of the following determines the number of bits that the computer can transmit at one time?
bus width
