Personal Computers Q2
How many bytes are in a kilobyte?
1000
_____ is an encoding for English alphanumeric characters as 7-bit numbers.
ASCII
Which of the following are examples of ASCII characters?
All of these: @, !, $
Which processor family is most likely found on recent gaming laptops (Gaming laptops require a lot of computational power)
Intel Processors
Which of the following represents the binary number 1011 in decimal?
11
A hexadecimal digit is a number in base ______
16
The number 5 in hexadecimal is ______ in decimal.
5
Which of the following represents the binary number 110100 in decimal?
52
How many bits are in a byte?
8
Digital information is stored and processed as ______
A collection of ones and zeroes
The acronym CPU stands for
Central Processing Unit
On Thursday January 12, the instructor showed a video featuring:
Charles Babbage's Difference Engine
By what unit is a modern computer's clock speed typically measured?
GHz (gigahertz)
Processing information involves ____
Performing arithmatic or logical operations on binary data
Which of these is not a secondary storage device?
RAM
On Thursday April 6, the instructor showed a video featuring:
The Monty Python "Spam" Video
How many bytes are in a gigabyte?
a billion
Adding two inputs is a(n)
arithmetic operation
If a piece of software designed to run on Windows XP can run on the latest version of Windows, we say the latest version of Windows is ____________.
backward compatible
A _______ number is represented by a string of 0's and 1's (e.g. 1010).
binary
What is generally the smallest addressable unit of memory on a computer system?
byte
_______ is the rate at which a computer's CPU executes instructions.
clock speed
Which of the following strage units are solid state (no physical moving parts)?
flash memory
Which are the most common input devices for a personal computer?
keyboards and pointing devices
Determining whether one value is equal, greater, or smaller than another value is a(n)
logical operation
The CPU is also sometimes referred to as the
microprocessor
Which of the following is the main circuit board in computer that holds important hardware components such as the CPU, memory and hardware buses?
motherboard
When a CPU has more than a single processor, it is called a __________.
multi-core processor
________ is when several processes on a computer system are distributed across different processors and executed simultaneously, generally to speed up processing.
parallel processing
What is the advantage of using parallel processing instead of serial processing?
processing is generally faster
A computer's primary storage can be likened to a person's
short term memory
_____ is a character encoding system that can range from 7 to 32 bits which represent text and symbols used in a wide variety of languages worldwide.
unicode
