Cis Chapter 2
A "machine cycle" involves four steps in the following order: ______ "fetch, decode, execute, store" "fetch, store, decode, execute" "decode, store, execute, fetch" "execute, fetch, store, decode"
"Fetch, decode, execute, store"
Each place value in a binary number represents _____ raised to the appropriate power. 0 1 2 10
2
Eight bits grouped together are collectively referred to as a _____. kilobyte byte pixel binary
Byte
A special type of extremely fast memory (faster than RAM) that is functionally between the CPU registers and the RAM is the _____ memory. port DVD cache laser
Cache
Video data (such as home movies, feature films, and television shows) is displayed using a collection of _____. slides pixels vectors frames
Frames
The main circuit board inside the system unit is called the _____ to which all devices used by the computer must be connected. megaboard gigaboard masterboard motherboard
Motherboard
Which of these is largest? Terabyte Megabyte Kilobyte Gigabtye
Terabyte
Adding more memory is one of the best ways to improve performance on your current computer, especially if your computer slows down significantly when you have multiple programs open. TRUE FALSE
True
A _____ image uses three bytes (24 bits) for each pixel in the image to produce 16.8-million-color photographic quality. mega color true color real color full color
True color
Text-based data is represented by fixed-length binary coding systems specifically developed for text-based data. The three most common systems for representing text are ASCII, EBCDIC, and _____. Unicode Americode Hindicode UnitedNationsCode
Unicode
A _____ is the smallest unit of data that a binary computer can recognize. byte datum pixel bit
bit
Audio data such as a song or the sound of someone speaking must be in digital form in order to be stored on a storage medium or processed by a PC. TRUE FALSE
true
Just as numbers, text, and multimedia data must be represented by 0s and 1s inside a computer, software program instructions must also be represented by 0s and 1s. TRUE FALSE
true
A GPU is like a CPU in that it performs computational work. However, a GPU is specialized to handle _____ with incredible efficiency and speed. 3D graphics and image and video processing keyboard and voice input as well as both audio and printed output
3D graphics and image and video processing
The bus width and bus speed together determine the bus s ______? that is, the amount of data that can be transferred via the bus in a given period of time. clock speed bandwidth machine cycle memory
Bandwidth
Modern Intel CPUs perform _____ of cycles per second. millions billions thousands hundreds
Billions
The CPU is often called the _____ of the computer. brains heart soul bottleneck
Brains
A _____ is an electronic pathway over which data can travel. bus lane word track
Bus
For over four decades now, the number of transistors on a microchip has been growing exponentially, steadily doubling every 18-to-24 months. As a result, a modern Intel CPU today has over 5 Billion transistors on a chip the size of your thumbnail. This steady doubling of transistors every 18-to-24 months is known as ___________. simple logic Intel ingenuity creative computing Moore's law
Moore's law
______ is when a single computer has more than one processor and each processor is working on a different job. parallel processing Hyper-Threading Technology multiprocessing
Multiprocessing
______ is a technology developed by Intel that enables a single processor to run two threads of the same program at the same time. parallel processing Hyper-Threading Technology multiprocessing
Parallel Processing
_____ streamlines the machine cycle by executing different stages of multiple instructions at the same time. A new instruction is started when the preceding instruction moves from the Fetch to the Decode stage, and so on. tasking pipelining stretching juggling
Pipelining
Peripheral devices (such as speakers or monitors or printers or cameras) connect to the system unit by plugging into a _____ which is a special connector exposed through the exterior of the system unit. port hub module bus
Port
The _____ converts the power from a standard electrical outlet and then delivers that electricity to the computer. fan power supply drive bay expansion slot
Power supply
______ computing utilizes atoms or nuclei working together as quantum bits that are capable of representing more than just two states as in electronic computing of today. Quantum Nanotechnology
Quantum
A ______ is high-speed memory built into the CPU to temporarily store data and intermediary results as part of the machine cycle (Fetch, Decode, Execute, Store). reactor roof record register
Register
__________ is the physical components of a computer. The things you can touch and feel. analog hardware software digital
hardware
Most CPUs today are _____ CPUs; that is, CPUs that contain the processing components or cores of multiple independent processors on a single CPU. multi-scan multi-component multi-core multi-ply
multi-core
______ is when a single computer has more than one processor and numerous processors are working together to finish a single job faster. parallel processing Hyper-Threading Technology multiprocessing
parallel processing
The _____ converts the power from a standard electrical outlet and then delivers that electricity to the computer. fan power supply drive bay expansion slot
power supply
CPU registers are faster than cache memory, and cache memory is faster than RAM. All three (registers, cache, and RAM) are ______ memory, meaning they lose their information when power is disrupted. volatile nonvolatile
volatile