Chapter 2 Flashcards
What is a fixed-length, binary coding system used to represent text-based data for computer processing on many types of computers?
ASCII
what is a group of 8 bits?
byte
What is a universal bus used to connect up to 127 peripheral devices to a computer without requiring the use of additional expansion cards?
Universal Serial Bus (USB)
What are flat sheets of carbon that are one atom thick, are extremely light and strong, and are a great conductor of electricity?
Graphene
What is memory used to provide a temporary location for the computer to hold data and program instructions while they are needed?
Random Access Memory (RAM)
What is the chip located on the motherboard of a computer that performs most of the processing for a computer?
Central Processing Unit (CPU)
What is the main circuit board of a computing device, located inside the system unit, to which all computer system components connect?
Motherboard
What is the numbering system that represents all numbers using just two symbols (0 and 1)?
Binary numbering system
What is the part of the CPU that coordinates its operations?
control unit
What is the science of creating tiny computers and components by working at the individual atomic and molecular levels?
Nanotechnology
True or False: A storage medium that can hold 256 GB can hold about 256 billion characters.
True
True or False: The amount of data that can be transferred over a bus in a given time period determines the bus’s volatility.
False
True or False: Cache memory is typically built into a CPU.
True
True or False: A bus is a pathway, such as on the motherboard or inside the CPU, along which bits can be transferred.
True
True or False: Computers that process data with light are referred to as quantum computers.
False-infarred
What is the ability of a computer to process data at teraflop speeds?
Terascale computing
A CPU with four separate processing cores is referred to as a(n)________CPU.
Quad-core
What is a connector on the exterior of a computer into which a peripheral device may be plugged?
port
Multi-core CPUs allow ___________, in which the CPU is able to work on multiple jobs at one time.
multiprocessing
Number the following from 1-9 to indicate their size from smallest to largest:
a. __Petabyte
b. __Kilobyte
c. __Gigabyte
d. __Yottabyte
e. __Exabyte
f. ___Byte
g. __Zettabyte
h. __Terabyte
i. ___Megabyte
a. 6
b. 2
c. 4
d. 9
e. 7
f. 1
g. 8
h. 5
i. 3
What do each of the following acronyms stand for?
1. KB
2. RAM
3. GPU
4. USB
5. PCIe
6. CPU
- Kilobyte
- Random Access Memory
- Graphic Processing Unit
- Universal Serial Bus
- Peripheral Component Interconnect Express
- Central Processing Unit
What is The smallest piece of data (a 0 or 1) that can be represented by a computer?
Bit
What is an international coding system for text-based data using any written language?
Unicode
What is L1 a type of?
Cache Memory
