peripheral
There will be no effect on the computer speed if a CRT monitor's power cable is directly connected to the CPU. Though the PSU, or, the power supply unit must be upgraded to a 500 W one .
VIDEO Cable connects VGA, DVI & HDMI ports on Computer (generally called CPU or Cabinet) to Display Screens aka Monitors and can be found rear connected to Monitor and Cabinet of Computer.
Yes, the CPU itself is a processing device, it is the "brain" of the computer. CPU = Central *Processing* Unit
The CPU is connected to all the peripherals, which include the keyboard, the monitor, the speakers, and anything else that is connected to your computer. Strictly speaking, the CPU is physically connected to the motherboard.
Ram, cpu, storage device, output device, input device, communication device
CPU
the control unit in the cpu or the processor
The device where the operating system is stored on a computer is called the CPU. CPU stands for Central Processing Unit and is the heart of the computer.
Motherboard
Just about every computer (cpu) uses a standard IBM power cord. Most monitors do as well, unless the power cord is permanently connected. Most computer equipment, other than printers and small devices, use the IBM power cord.
There is no such thing as a CPU Drive. If you meant "What does a CPU communicate with", then the answer is everything inside your computer.
The Network Interface Card (NIC) or modem (Dial-up) controls the flow of data between your computer and the cable.