Computer Science

    OS Mass-Storage Structures
    The surface area of tape is ________ the surface area of a disk.
    Author: rikazzz Comment
    OS Process Synchronization
    Mutual exclusion implies that ____________
    Author: rikazzz Comment
    OS Security
    What is used to protect network from outside internet access?
    Firewall create a protective barrier to secure internal network. An antivirus can only detect harmful viruses but cannot stop illegal access by remote attacker.
    Author: rikazzz Comment
    OS Mass-Storage Structures
    Linux __________ the use of multiple swap spaces.
    Putting these swap spaces on separate disks reduces the load places on the I/O system.
    Author: rikazzz Comment
    OS File Systems and Their Implementation
    To control access the three bits used in UNIX are represented by _____________
    Author: rikazzz Comment
    Computer Science Fundamentals
    Any computer that can access the server is called?
    Any computer that has access to the web server is called the web client. Web server is any computer that uses the HTTP protocol.
    Author: rikazzz Comment
    Computer Science Fundamentals
    The dots on the magnetic tape represent ________
    The data recorded on the tape is the form of tiny invisible magnetized and non-magnetized spots (representing 1s and 0s) on its coated surface.
    Author: rikazzz Comment
    OS Memory Management
    Program always deals with ____________
    Author: rikazzz Comment
    Computer Science Fundamentals
    The number of characters that can be represented in ASCII-8 are ______________
    ASCII-8 can represent 256 different characters. ASCII-8 uses 8-bits for the representation of numbers i.e. it can represent 28 = 256 different characters.
    Author: rikazzz Comment
    Computer Science Fundamentals
    A computer that operates on digital data.
    The digital computer uses binary number system in which there are only two digits 0 and 1. Each one is called a bit.
    Author: rikazzz Comment