Personal Computers Chapter 2
Processing information involves:
performing arithmetic or logical operations on information that is input.
Producing output involves:
communicating information to the outside world.
Hardware components are:
physical parts of a computer system.
The most common input devices include:
mice and keyboards.
The primary output device for computers is a:
The hardware device commonly referred to as the "brain" of the computer is the:
CPU stands for:
central processing unit.
The CPU is also known as the:
The primary difference between RAM and secondary storage devices is:
the length of time data is stored.
RAM is also known as:
If a user needs information instantly available to the CPU, it should be stored:
Storage devices include all of the following EXCEPT:
The input, output, and storage devices are known as:
Digital means that computer information is discrete and countable, subdivided into:
The smallest unit of information a computer can understand and process is known as a:
A bit can have two values:
0 and 1.
there are two possibilities: on and off.
A group of 8 bits is known as a:
The binary system uses the power of:
A byte can represent any number between 0 and:
The most widely used code that represents each character as a unique 8-bit code is:
ASCII stands for:
American Standard Code for Information Interchange.
In ASCII, ____________ characters can be created.
An advanced coding scheme that incorporates Chinese, Greek, Hebrew, and Japanese is known as:
1,024 bytes of data is a:
Approximately 1,000 megabytes is a:
The largest storage devices commonly available today are able to store:
The unit that transforms input into output is known as the:
The motherboard is the:
circuit board that contains a CPU and other chips.
Backward compatibility means that:
a Pentium 4 chip can handle processing previously done by a Pentium III.
Linux is a(n):
The clock of a computer system is the:
timing device that produces electrical pulses to synchronize the computer's operations.
A computer's clock speed is measured in:
he word size of a typical PC's CPU is:
32 or 64 bits.
The ____________, by Intel, is a 64-bit processor.
When two processors are employed in a computer, it is known as
By putting multiple CPUs on a single chip, chip makers have created:
Units that work together in the CPU include all EXCEPT:
The CPU's ALU contains:
The part of the CPU that instructs the bus unit to read instructions stored at a certain memory address is
known as the:
The storage area for the next likely data or instruction to be processed, preventing bottlenecks and slowing
of the system, is known as:
Popular CPU families including Celeron, Centrino, and Xeon belongs to which family :
RAM stands for:
random access memory.
Information stored in RAM is considered volatile, which means it is:
not held permanently, only temporarily.
The memory that stores the computer's date, time, and calendar is the:
The time for the processor to retrieve data from memory is measured in:
The circuit board that contains RAM chips is known as a:
The permanently etched program in ROM that automatically begins executing the computer's instructions
The groups of wires that transfer data are known as the:
Expansion cards are inserted into:
External devices such as printers, keyboards, and modems are known as:
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