Computer Hardware
Gigabyte
1 billion bytes
Megabyte
1 million bytes
Terabyte
1 trillion bytes
Petabyte
1,000 terabytes
Personal computer CPU clock speed ranges between ___.
1-4 gigahertz
Kilobyte
1000 bytes
Processors typically have a word size of either ___ or ___.
32 bits; 64 bits
GPU
A computer within your computer that creates images
Which two of the following would be used to store a single bit of date?
A transistor A hole punch card
The four basic functions of a computer
Accept data input Process data info Present output Provide storage of data
Which of the following is not part of the boot process?
Any installed anti-virus software checks the system for errors
Smartphone motherboard location
Behind the screen
Laptop motherboard location
Beneath keyboard
The smallest unit of storage is called___. It is he,d or processed by a single transistor.
Bit
Which three of the following colors are used to create pixels?
Blue Green Red
The three factors that impact processor speed are clock speed, word size, and _____ .
Bus width
Another name for the computers processor is the
CPU
The physical parts of a computer such as the system unit or a monitor are referred to as______.
Computer Hardware
To reduce the time it takes to find files on a hard drive it is a good idea to _____ your hard drive.
Defragment
Desktop
Designed for power users. Has a relatively large footprint.
Laptop
Designed for those who need a mobile computer but need to enter a large amount of data
all-in-one computer
Designed to stay on a desk. Provides a large monitor but takes up less space than a desktop computer
A computer that is integrated with a larger device such as a programmable thermostat is called a ____ computer. It has a real time operating system.
Embedded
The only major difference between MacBooks and the Dell laptops is their prices.
False
Which two of the following are used for measuring typical hard drive capacities for personal computer?
Gigabyte Terabyte
Tablet
Highly mobile device that can be used while standing or even walking
Desktop motherboard location
In tower or chassis
An organization that needs to process thousands of simultaneous transactions probably has a ____ computer.
Mainframe
In an all in one computer the motherboard is housed behind the ____.
Monitor
Supercomputer
Most powerful type of computer. NASA uses them to determine gravitational fluctuations that might indicate additional planets in the solar system. Many of these are owned by research universities and government agencies.
Tow or more complete processors residing on the same chip and can excavate two or more sets of instructions at a time is called a _____ .
Multi core processor
The actual number of pixels in a monitor is called ___.
Native resolution
Two characteristics of solid state drive (SSD).
No moving parts Fast
When the computer is shut down the info in the memory (RAM, caches, registers) is ____ .
Not saved
Mainframe computers
Often operated by business such as large banks or credit card companies. Not designed to calculate huge formulas, but able to manage thousands of transactions simultaneously. More powerful than a server less powerful than a supercomputer.
Bytes in order from highest to lowest
Peta Tera Giga Mega Kilo
Programs and date currently being used by the processor are places in the_____.
RAM
____ is actually storage since it retains data and info when the power has been turned off.
ROM
Digital device manufacturers include separate chips of storage that contain instructions not designed to be written or removed. An example of these instructions include the basic input output system (BIOS). This type of storage is separate form the hard drive and is referred to as _____.
Read only memory (ROM)
Which 3 of the following statements are true regarding resolution?
Refers to the bumber of picels in a display device. The higher the screens resolution the more pixels it contains. Resolution refers to the sharpness and clarity of an image.
Resolution refers to the _____ and clarity of an image.
Sharpness
A hardware component that keeps data info when the device is not powered is called a ____ device.
Storage
A computer that is highly mobile, often has a smaller operating system and uses a touchscreen as the primary input method is called a ____.
Tablet
Which 2 of the following statements are correct regarding CPU?
The CPU is located on the main motherboard of the computer. The CPU is integrated into a chip called a microprocessor.
USB
Universal Serial Bus. A type of connection used to attach devices such as flash drives, scanners, cameras, and printers to a computer.
The number of bits that can be processed at one time during one machine cycle is a processors ____.
Word size
Devices that integrate the computer case (chassis) and system components into the monitor, but have an external keyboard and mouse are called ___ computers
all-in-one
The amount of data that can be transferred from one point to another in one second is called _____.
bandwidth
The loading of an operating system into the main memory of a device is called the ___ process
boot
Data flows between different parts of the computer via _____ .
buses
Eight bits combined together equal one ___
byte
In addition to the RAM, modern processors temporarily keep frequently accessed data in a _____.
cache
One way to delete unused files from your Windows hard drive is to use the Disk ___ app.
cleanup
Clock speed, also referred to as _____ _____, is the speed at which the processor performs the operations required to run a digital device and instructions executed by the digital device.
clock rate
A digital device that accepts input, processes and stores the input, and provides output is a ____.
computer
Memory, such as RAM or cache, is __ and has no moving parts.
electronic (solid state)
The amount of space a device takes up on a desk or table is referred to as its _____.
footprint
The output of visual images created by a computer is known as ____.
graphics
While not designed to solve complex technical formulas, a computer that is more powerful than a server computer, and used by organizations to process large numbers of transactions simultaneously is called a ______________
mainframe
The system unit of a computer houses the computer's main circuit board. This circuit board, which holds the CPU, is called the
motherboard
Cache contains frequently accessed data and is ___.
much smaller than computer's RAM
The actual number of pixels in a monitor is called ___ resolution.
native
The smallest element of an image is called a ____ and is usually composed of ___ colors.
pixel + three
IPOS refers to the four basic computing functions. IPOS stands for Input, ___, Output, and Storage.
processing
All computations and activities in a digital device are conducted by the ___
processor
A processor with one control unit and one arithmetic logic unit (ALU) is called a ____.
single-core processor