Curiosity About scvhost.exe In TaskManager

bej

New member
Noticed 10 separate processes of svchost.exe in TaskManager. One is 99+MB and sometimes will jump a cpu core to 25% usage with only Windows 7 system running.
Can someone give some details about the svchost operation ??
Thank you !!!!!!!!
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Home Pro SP1 64bit
CPU
Intel Xeon E-3 1240v2
Motherboard
HP
Memory
8GB
Graphics Card(s)
NVIDIA 300
Sound Card
Onboard
Monitor(s) Displays
Hanns G 25"
Screen Resolution
1920x1080
Hard Drives
Hitachi 2GB
PSU
Seasonic 430W
Case
Antec
Cooling
Stock
Keyboard
Logitech
Mouse
Logitech
Internet Speed
5MB

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Ignatz Special; 4 speed manual gearbox; factory air conditioning; one of one
OS
Windows 7 Home Premium SP1, 64-bit
CPU
Intel Skylake i5-6600K, not overclocked
Motherboard
AsRock Z170M Extreme 4, micro ATX
Memory
8 GB HyperX DDR4-2666 (2 x 4 GB)
Graphics Card(s)
none; graphics are integrated on CPU
Sound Card
onboard: Realtek ALC1150; external: USB Behringer UF0-202
Monitor(s) Displays
Dell S2340M 23 inch IPS
Screen Resolution
1600 x 900
Hard Drives
System: Crucial MX100 series SSD, 128 GB;
Data: Samsung Spinpoint 103SJ, 1 TB;
Backup: WD Caviar Green WD30EZRX-00D8PB0, 3 TB
PSU
Rosewill SilentNight 500 watt fanless, semi-modular
Case
Antec Solo II
Cooling
Noctua NH-U12S; Noctua F12 intake, Noctua S12A exhaust
Keyboard
Microsoft 200 6JH-00001 USB
Mouse
Dell or Microsoft optical wired; USB
Antivirus
Microsoft Security Essentials and Malwarebytes Premium
Browser
Pale Moon
Other Info
All fans PWM; speeds at idle: CPU circa 500 rpm; intake circa 600 rpm; exhaust circa 600 rpm; CPU temps 27 idle and 47 C load in a warm room (27 C/81 F) when running Intel Extreme Tuning Utility stress test.
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