MOD 4

Question 1

manages the basic operations of the computer.
These operations are: booting, housekeeping tasks, user interface, managing
computer resources, managing files, and managing tasks,

Answer 1

operating system (OS)

Question 2

Functions of an operating system

Answer 2

Ø Booting
Ø Housekeeping tasks
Ø User Interface
Ø Managing computer resources
Ø Managing files
Ø Managing tasks

Question 3

The process of getting the operating system to start in the computer’s main
memory

Answer 3

Booting

Question 4

BIOS

Answer 4

basic-input-output-system

Question 5

Boot Process

Answer 5

Power ON
BIOS
POST
BIOS Boot Sequence
MBR

Question 6

POST

Answer 6

Power On Self Test

Question 7

MBR

Answer 7

Master Boot Record

Question 8

tasks include formatting, or initializing, which means preparing
a disk electronically so it can store data or programs. Others include file and
folder management tasks such as copying or moving of files from one disk to
another, erasing or removing disk files that are no longer useful, renaming of
files on disk, and creating folders.

Answer 8

Housekeeping

Question 9

e is the shell or the part of the operating system that user’s see
on the computer’s display screen that allows him/her to communicate, or
interact, with the system

Answer 9

User Interface

Question 10

3 types of interface

Answer 10

Command-driven
Menu-drive
Graphical User Interface

Question 11

requires users to enter a command by
typing in codes or words at the cursor position following a prompt on
the display screen.

Answer 11

command-driven interface

Question 12

allows users to choose a command from a
menu.

Answer 12

menu-driven interface

Question 13

Two types of menu

Answer 13

menu bar
pull-down menu

Question 14

The easiest interface to use utilizes images and icons to represent the
commands, options, or functions in the computer.

Answer 14

graphical-user interface

Question 15

GUI

Answer 15

graphical-user interface

Question 16

This is performed by the supervisor, the central component of the
operating system. The supervisor resides in main memory while the
computer is on and directs other programs to perform tasks to support
applications programs.

Answer 16

managing computer resources.

Question 17

s is another important task of the operating system. Since files
of data and programs are located in many places in the hard disk and other
secondary-storage devices, when the user moves, renames, or deletes a file,
the operating system manages such changes and helps him locate and gain
access to it. In performing file management, the operating system also makes
directories (or folders) of files. These lists or indexes include the file names,
their sizes (in bytes), and the dates and times they were created

Answer 17

Managing Files

Question 18

g is the execution of two or more
programs by one user concurrently on the same computer with one
central processor.

Answer 18

Multitasking or multiprogramming i

Question 19

g is the processing, by a single computer, of the tasks of
several users at different stations in round-robin fashion.

Answer 19

Time-sharing

Question 20

is the simultaneous processing of two or more
programs by multiple computers.

Answer 20

Multiprocessing