Which of the following is a secondary memory device? A. Keyboard B. Disk C. ALU D. All of the above Right Answer: Disk Share : December 4, 2017 Asghar Khan Computer Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -To access properties of an object, the mouse technique to use is?____________computer is small general purpose micro computer, but larger than portable computer?In 1999, the Melissa virus was a widely publicised?