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Terms in this set (19)
Moore's law describes the pace at which _________ improve
CPUs
Which of the following is NOT a stage in the machine cycle?
Decode
Calculate
Store
Fetch
Calculate
CPU __________ are measurements used to compare performance between processors
benchmarks
Adding RAM to your computer
may be limited by how much RAM the computer can accomodate
SSDs are classified as which type of storage
nonvolatile
When would you want to consider RAID 1 technology?
when you need an instant backup of your work
Which is NOT a type of video port?
GPU
DisplayPort
HDMI
DVI
GPU
Dolby Digital 7.1 creates
8-channel surround sound
Your Windows computer can be reset to factory specifications by using a utility called windows
restore
Moore's Law
describes the pace at which central processing units improve. The CPU will double at about every two years
where is the CPU located?
the system motherboard and is responsible for processing instructions, performing calculations, and managing the flow of info through your computer.
When the CPU performs a program instruction, it goes through the same steps:
It fetches the required piece of data or instruction from RAM
It decodes the instruction into something the computer can understand
It executes the instruction
It stores the result to RAM before fetching the next instruction
Process is called a
machine cycle
What two components is the CPU composed of?
The control unit and the arithmetic logic unit
Random access memory is your computer's ________ storage space
temporary; short-term memory
super fetch
preloads often used programs into system memory
resource monitor
displays how computer resources are being used
SSD solid state drive
uses electronic memory and has no mechanical motors or moving parts. Fast access times
`optical drives
are disc drives that use a laser to store and use data.
RAID
Redundant array of independent disks, strategies for using more than one drive in a system
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Verified questions
COMPUTER SCIENCE
Discuss how the following pairs of scheduling criteria conflict in certain settings. a. CPU utilization and response time b. Average turnaround time and maximum waiting time c. I/O device utilization and CPU utilization
Verified answer
COMPUTER SCIENCE
Show that the pseudoinverse $$ A^+ $$ satisfies the following four equations: $$ AA^+A = A $$ , $$ A^+AA^+ = A^+ $$ , $$ (AA^+)^T = AA^+ $$ , $$ (A^+A)^T = A^+ A $$ .
Verified answer
COMPUTER SCIENCE
Show that the gcd operator is associative. That is, prove that for all integers a, b, and c, gcd(a, gcd(b, c)) = gcd(gcd(a, b), c).
Verified answer
COMPUTER SCIENCE
Define a family H of hash functions from a finite set U to a finite set B to be ∈-universal if for all pairs of distinct elements k and l in U, Pr{h(k) = h(l)} ≤ ∈, where the probability is over the choice of the hash function h drawn at random from the family H. Show that an ∈-universal family of hash functions must have ∈ ≥ 1/│B│ - 1/│U│.
Verified answer
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