__________ output device need refreshing.
Printers
Plotters
CRT
LCD
System software is a program that directs the overall operation of the computer, facilitates its use and interacts with the users. What are the different types of this software?
Operating system
Language processors
Utilities
All of the above
Two basic types of operating systems are
Sequential and direct
Batch and timesharing
Sequential and real time
Batch and interactive
Which of the following is not application software?
Word processing
Spread sheet
UNIX
Desktop publishing
Storage capacity of hard disk is
1.44 MB
80 MB
80 GB
17 GB
The tracks on the surface of a disk are further divided into_______
Circes
Sectors
Clusters
None of these
Which of the following are loaded into main memory when the computer is booted?
Internal command instructions
External command instructions
Utility programs
Word processing instruction
If you want to execute more than one program at a time, the systems software you are using must be capable of
Virtual storage
Compiling
Multitasking
The unit which performs the comparison operation in a computer is_______
ALU
Input
Control unit
Processor
Which of the following is a single user system.
DOS
Windows
Window NT
