Computer Fundamentals
Operating System
Q. The Memory Address Register
A.  is a hardware memory device which denotes the location of the current instruction being executed. B.  is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. C.  contains the address of the memory location that is to be read from or stored into. D.  contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write". E.  None of the above
Similar Questions
1. Which of the following operating systems is produced by IBM?
A.  OS-2 B.  Windows C.  DOS D.  UNIX
2. Window's settings are recorded in
A.  WINDOWS.INI B.  WIN.INI C.  SYSTEM.INI D.  GROUP.INI
3. The operating system manages
A.  Memory B.  Processor C.  Disk and I/O Devices D.  All of the above
4. The _____ key will launch the start buttons.
A.  Esc B.  Shift C.  Windows D.  Shortcut E.  None of these
5. The _____ tells the computer how to use its components.
A.  Utility B.  Network C.  Operating system D.  Application program E.  None of these
6. Linux is a(n) ........ operating system
A.  Open-source B.  Microsoft C.  Windows D.  Mac E.  None of these
7. Loading Operating System onto RAM is called?
A.  Printing B.  Saving C.  Booting D.  Starting E.  None of these
8. An essential difference between the operating system that runs a typical desktop computer and the operating system that runs a typical PDA is that .......
A.  the desktop OS has a graphical user interface whereas the PDA OS does not. B.  the desktop OS can run several programs simultaneously whereas the PDA OS cannot. C.  the desktop OS manages hardware resources whereas the PDA OS does not. D.  the desktop computer has an OS whereas a PDA does not. E.  None of these
9. The ability of an operating system to control the activities of multiple programs at the same time is called .........
A.  multitasking B.  multi-processing C.  multi-operating D.  multi-paging E.  None of these
10. Which of the following is responsible for the management and coordination of activities and the sharing of the resources of the computer?
A.  Application Software B.  Motherboard C.  Operating System D.  RAM E.  None of these
COMPUTER FUNDAMENTALS TOPICS