Practice Test: Question Set - 10
1. In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into
- (A) Periods
- (B) Sectors
- (C) Zones
- (D) Groups
2. The LRU algorithm
- (A) Pages
out pages that have been used recently
- (B) Pages
out pages that have not been used recently
- (C) Pages
out pages that have been least used recently
- (D) Pages
out the first page in a given area
3. In which addressing mode the operand is given explicitly in the instruction?
- (A) Absolute
mode
- (B) Immediate
mode
- (C) Indirect
mode
- (D) Index mode
4. The advantage of a command processor running only built-in commands is:
- (A) Flexibility
to the users in running lists of commands by simply collecting them in named
batch command files
- (B) The command
set being common across different hardware configurations
- (C) Users can
create system programs and run them as commands
- (D) The
processing is much faster than would other-wise be the case when user defined
commands are used
5. In virtual memory systems, Dynamic address translation
- (A) Is
the hardware necessary to implement paging
- (B) Stores pages
at a specific location on disk
- (C) Is useless
when swapping is used
- (D) Is
part of the operating system paging algorithm
6. The main function of the dispatcher (the portion of the process scheduler) is
- (A) Swapping a
process to the disk
- (B) Assigning
ready process to the CPU
- (C) Suspending
some of the processes when the CPU load is high
- (D) Bring
processes from the disk to the main memory
7. User-Friendly Systems are:
- (A) Required
for object-oriented programming
- (B) Easy to
develop
- (C) Common
among traditional mainframe operating systems
- (D) Becoming
more common
8. Which are the most important features of Microsoft Windows program?
- (A) Windows
- (B) Pull-down
menus
- (C) Icons
- (D) All of the
above
9. What is the name of the operating system for the laptop computer called MacLite?
- (A) Windows
- (B) DOS
- (C) MS-DOS
- (D) OZ
10. Special software to create a job queue is called a
- (A) Drive
- (B) Spooler
- (C) Interpreter
- (D) Linkage
editor
11. What is the name given to the organized collection of software that controls the overall operation of a computer?
- (A) Working
system
- (B) Peripheral
system
- (C) Operating
system
- (D) Controlling
system
12. Access time is the highest in the case of
- (A) Floppy disk
- (B) Cache
- (C) Swapping
devices
- (D) Magnetic
disk
13. Which of the following statements is false?
- (A) A small page
size causes large page tables
- (B) Internal
fragmentation is increased with small pages
- (C) A
large page size causes instructions and data that will not be referenced
brought into primary storage
- (D) I/O transfers
are more efficient with large pages
14. Which, of the following, is true for testing and debugging?
- (A) Testing
checks for logical errors in the programs, while debugging is a process of
correcting those errors in the program
- (B) Testing
detects the syntax errors in the program while debugging corrects those errors
in the program
- (C) Testing and
debugging indicate the same thing
- (D) All of the
above
15. Which of the following is false about disk when compared to main memory?
- (A) Non-volatile
- (B) Longer
storage capacity
- (C) Lower price
per bit
- (D) Faster
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