Practice Test: Question Set - 07
1. The most common security failure is
- (A) Carelessness
by users
- (B) Depending
on passwords
- (C) Too
much emphasis on preventing physical access
- (D) Insufficient
technology used to prevent breaches
2. Supervisor state is
- (A) Never used
- (B) Entered
by programs when they enter the processor
- (C) Required to
perform any I/O
- (D) Only allowed
to the operating system
3. The file structure that redefines its first record at a base of zero uses the term:
- (A) Relative
organization
- (B) Key
fielding
- (C) Dynamic
reallocation
- (D) Hashing
4. Can you name of the major Operating System used in computers?
- (A) MS DOS
- (B) OS/2
- (C) UNIX
- (D) All of the
above
5. Memory
- (A) Is
a device that performs a sequence of operations specified by instructions in
memory
- (B) Is the
device where information is stored
- (C) Is a
sequence of instructions
- (D) Is typically
characterized by interactive processing and time-slicing of the CPU's time to
allow quick response to each user
6. If you want to execute more than one program at a time, the systems software you are using must be capable of:
- (A) Word
processing
- (B) Virtual
memory
- (C) Compiling
- (D) Multitasking
7. Which of the following is a phase of a compilation process?
- (A) Lexical
analysis
- (B) Code
generation
- (C) Both of the
above
- (D) Static
analysis
8. Resolution of externally defined symbols is performed by
- (A) Linker
- (B) Loader
- (C) Compiler
- (D) Assembler
9. Which of the following program is not a utility?
- (A) Debugger
- (B) Editor
- (C) Spooler
- (D) All of the
above
10. Which of the following might be used to convert high-level language instructions into machine language?
- (A) System
software
- (B) Applications
software
- (C) An
operating environment
- (D) An
interpreter
11. In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?
- (A) Index
addressing
- (B) Indirect
addressing
- (C) Auto
increment
- (D) Auto
decrement
12. Advantage(s) of using assembly language rather than machine language is (are):
- (A) It is
mnemonic and easy to read
- (B) Addresses
any symbolic, not absolute
- (C) Introduction
of data to program is easier
- (D) All of the
above
13. A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as
- (A) Multiprogramming
- (B) Multi
threading
- (C) Broadcasting
- (D) Time
sharing
14. Process is
- (A) Program in
High level language kept on disk
- (B) Contents
of main memory
- (C) A program in
execution
- (D) A
job in secondary memory
15. In memory systems, boundary registers
- (A) Are used for
temporary program variable storage
- (B) Are only
necessary with fixed partitions
- (C) Track page
boundaries
- (D) Track
the beginning and ending of programs
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