Page 63 - DCAP104_EXPOSURE_TO_COMPUTER_DISCPLINES

Exposure to Computer Disciplines

Notes Utility Software: Kind of system software designed to help analyze, configure, optimize
and maintain the computer. A single piece of utility software is usually called a utility (abbr.
util) or tool.

1. Draw flow chart for components of a computer system.
2. Give flow chart of User and Supervisor modes.

3.10 Self-Assessment Questions

1. In computing, a ___________ is the mechanism used by an application program to request
service from the operating system based on the monolithic kernel or to system servers on
operating systems based on the microkernel-structure.
2. ___________ calls requires a control transfer which involves some sort of architecture-specific
feature.
3. System calls can be roughly grouped into five major categories:

(a) Process Control (b) System Control
(c) Debugger (d) None of these
4. File management and Device management is used for system call that can be roughly
grouped into major categories.
(a) True (b) False

(c) None of these
5. A driver is not a written program which understands the operation of the device it interfaces
to, such as a printer, video card, sound card or CD ROM drive.
(a) True (b) False
(c) None of these

6. System tools (programs) used to monitor computer performance, debug problems, or
maintain parts of the system.

(a) True (b) False
(c) None of these
7. Real-time operating systems are used to control machinery, scientific instruments and
industrial systems in machinery tools.
(a) True (b) False

(c) None of these
8. Multi-user is a term that defines an operating system or application software that allows
concurrent access by multiple users of a computer.
(a) True (b) False

(c) None of these

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