{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Computer Science 162 - Fall 1992 - Smith - Midterm 1

Computer Science 162 - Fall 1992 - Smith - Midterm 1 - CS...

This preview shows pages 1–2. Sign up to view the full content.

CS 162, Midterm 1, Fall 1992 CS 162, Fall 1992 Midterm 1 Professor A. Smith Problem #1 Explain the difference between a process and a thread. (10 points) Problem #2 This question is multiple choice. Please place your answers at the bottom.(22 points) i. A typical rotation time for a magnetic disk is: A)1.5 ms B)15 ms C)15 microsec. D)5 ms ii. A typical transfer rate for high performance reel to reel tape is: A)100KB/sec. B)500KB/sec. C)1.25KB/sec. D)4MB/sec. iii. The width of an interrecord gap on reel to reel magnetic tape is approximately: A) 0.1 inch B) 0.6 inch C) 1.1 inches D) 3 inches E) 0.01 inch iv. The read/write speed of an Exabyte tape is approximately: A) 10KB/sec. B) 50KB/sec. C) 200KB/sec. D) 1MB/sec. E) 5MB/sec. v. A typical average seek time for a magnetic disk is: A) 1usec B) 15usec C) 1ms. D) 15ms. vi. The maximum storage capacity of an IBM type cartridge tape is approximately: A) 10MB. B) 50MB. C) 200MB D) 1GB E) 5GB F) 10GB vii. Writing a read/write optical disk takes X as long as reading it: A) the same: B) twice C) half D) ten times viii. The record size for a line printer is:

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern