Chapter 1 Flashcards
The primary subsystems that make up a computer are:
Processor, Memory, Storage, Network
The most popular operating system on the market is:
Windows 7
How much memory can a 32-bit Processer Access?
64gb
What does having a 36-bit Address bus allow a Processor to do?
It allows a 32-bit processor to Address 64gb (2^36)
What is Firmware?
Firmware is software contained in read-only Memory (ROM) chips, which cannot be erased by normal means.
What is ROM?
Read Only Memory, which cannot be erased through normal means.
What type of port is this?
Parallel Port
What type of port is this?
Serial Port
Some older Keyboards and Mice use what type of port? (Hint: Not USB)
PS/2
What type of port is used to connect an Ethernet cable?
RJ45 (Registered Jack)
What is a host?
Any device that connects directly to a network
What is an older, analog video port that does not send audio and is mostly used with projectors?
VGA. Which uses the DB-15 type connection.
What is a digital interface for sending video-only to output devices?
Digital Visual Interface or DVI
What interface sends both digital Audio and High Definition Video?
High-Definition Multimedia Interface or HDMI
Refresh Rate
How often the image is redrawn on the screen, represented in Hertz
What is an Aspect Ratio?
The ratio of the width of the image to its height. Common aspect ratios are 4:3 for Fullscreen, and 16:9 for Widescreen
In order from Left to Right, what are the types and purpose of these ports?
These are 3.5mm TRS ports.
- Blue: Line-In Audio
- Green: Line-Out Audio (Headphones or Speakers)
- Pink: Microphone
How much memory does Win7 starter recognize?
2gb
How much memory does Win7 32bit (excluding starter) recognize?
4gb
How much memory does Win7 Home basic recognize?
8 GB
How much memory does Win7 Home Premium (64 bit) recognize?
16gb
How much memory does Win7 Enterprise/Professional recognize?
192gb
How much memory does Win7 Ultimate recognize?
192gb
What does the command ipconfig/flushdns do?
flushes and resets the contents of the DNS client resolver cache.
What OS do you need to be running to use the Windows 7 upgrade Advisor?
Windows XP or Vista
What does the netstat command do?
It displays active TCP connections,ports on which the computer is listening.
What does the Action Center do?
Shows alerts. Allows you to take action in windows. Lists security messages. Lists maintenance messages.
What is a Service?
A program, routine, or process that runs in the background to support other programs or to provide a network service. It runs in the background.
