Chapter 6 Flashcards
The motherboard is the?
main circuit board of the computer
The processor, also called the central processing unit (CPU) does what?
interprets and carries out the basic instructions that operate a computer
A multi-core processor is a?
single chip with two or more separate processor cores
Processors contain a control unit and an?
arithmetic logic unit (ALU)
The control unit is the component of the processor that ?
directs and coordinates most of the operations in the computer
The arithmetic logic unit (ALU), another component of the processor, performs?
arithmetic, comparison, and other operations
The system clock controls?
the timing of all computer operations
The pace of the system clock is called the?
clock speed, and is usually measured in gigahertz (GHz)
The leading manufacturers of personal computer processor chips are?
Intel and AMD
Home and business users choose cloud computing for a variety of reasons? what are they 4
Accessibility
Cost savings
Space savings
Scalability
Analog signals are continuous and vary in?
strength and quality
Digital signals are in one of two states?
on or off
Most computers are digital
The binary system uses two unique digits (0 and 1)
Bits and bytes
Memory consists of electronic components that store? and stores what 3 basic items?
instructions waiting to be executed by the processor, data needed by those instructions, and the results of processing the data
Stores three basic categories of items:
1. The operating system and other programs
2. Applications
3. Data being processed and the resulting information
Computers and mobile devices contain two types of memory and what are they?
- Volatile memory
Loses its contents when power is turned off
Example includes RAM - Nonvolatile memory
Does not lose contents when power is removed
Examples include ROM, flash memory, and CMOS
Memory cache speeds the processes of the computer because?
it stores frequently used instructions and data
