1.speed can be increase by maintaince and having faster ram in system(true)
2.some devices are denoted by letters but maximium are denoted with names.
3.true (removed medioa is slower and coastly then the fixed media but combination of fixed and removed media will increase the system speed the comination may be of fixed and removed are 12mb fix and 12-24 mb removed.
4.false (portable hard drive is having large capacity and portablity is more)
5.false ( it only show the data flow or connection)
6.false(image can be transfer by using usb cable or by inserting memory card in computer)
7.true( we can scan a document by using scanner )
8.false(different key board have different places for special character and symbol)
9.true(by using numerickeypad we can enter numbers easily ratherthen pressing ctrl and then key to get num)
10.true( operating system acts as interface between user and hardware)
11.true( cache is volatile memory it store memory idata till it get power supply, it is temporary memory.registers and hard disk are non volatile memory its store data even power supply is cut.it is permanent memory.
true or false 1. Speeding up your system today can be by Performing the system maintenance...