Which of the following is a single user system.
DOS
Windows
Window NT
UNIX
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
__________ uses preprinted forms.
OMR
OCR
MICR
None of these
Least recognizable picture element is called_____________
Pixel
Icons
Files
Which of the following is not an advantage of multi programming?
Increased throughput
Short response time
Decresed operating system overhead
Ability to assign priorities to jobs
____________ is a volatile memory.
CD
ROM
RAM
Pick out a translator which reads an entire program written is a high level language and converted into machine language code.
Assembler
Translator
Compiler
System software
Two basic types of operating systems are
Sequential and direct
Batch and timesharing
Sequential and real time
Batch and interactive
__________ output device need refreshing.
Printers
Plotters
CRT
LCD
The time taken to position the R/W head over a cylinder is called__________
Access time
Seek time
Search time
Latency time