Practice Test: Question Set - 13
1. An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as
- (A) Procedure
name
- (B) Macro
- (C) Label
- (D) Literal
2. Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because
- (A) They are
memory resident
- (B) They are
initially stored on disk
- (C) They are
available on magnetic tapes
- (D) They are
partly in primary memory and partly on disk
3. Which of the following filename extension suggests that the file is a backup copy of another file?
- (A) TXT
- (B) COM
- (C) BAS
- (D) BAK
4. Software that measures, monitors, analyzes, and controls real-world events is called:
- (A) System
software
- (B) Real-time
software
- (C) Scientific
software
- (D) Business
software
5. The instruction register
- (A) Is
a hardware memory device which denotes the location of the current instruction
being executed
- (B) Is
a group of electrical circuits (hardware), that performs the intent of
instructions fetched from memory
- (C) Contains
the address of the memory location that is to be read from or stored into
- (D) Contains a
copy of the designated memory location specified by the MAR after a
"read" or the new contents of the memory prior to a "write"
6. The dispatcher
- (A) Actually
schedules the tasks into the processor
- (B) Puts tasks
in I/O wait
- (C) Is always
small and simple
- (D) Never
changes task priorities
7. Which of the following statements is not true about the FORTRAN language?
- (A) FORTRAN is a
high level language
- (B) A FORTRAN
program, written for the IBM-PC, is totally different from a FORTRAN program
written for execution on the SUN machine
- (C) FORTRAN is
extensively used to write programs for performing scientific computations
- (D) All of the
above
8. A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a
- (A) First come
first served
- (B) Shortest
Seek Time First (SSTE)
- (C) Scan
- (D) FIFO
9. If special forms are needed for printing the output, the programmer specifies these forms through?
- (A) JCL
- (B) JPL
- (C) Utility
programs
- (D) Load
modules
10. A Processor
- (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 of the CPU's time to allow
quick response to each user
11. A critical region is
- (A) A program
segment that has not been proved bug-free
- (B) A program
segment that often causes unexpected system crashes
- (C) A program
segment where shared resources are accessed
- (D) One which is
enclosed by a pair of P and V operations on semaphores
12. The advantage(s) inherent to using high level languages is (are)
- (A) Fewer
people, less management and shorter transition in learning time
- (B) Improved
debugging capability, and superior documentation
- (C) A greater
degree of machine independence
- (D) All of the
above
13. The Operating system manages
- (A) Memory
- (B) Processor
- (C) Disks and
I/O devices
- (D) All of the
above
14. What is the name given to the software which can be legally compiled and often used for free?
- (A) Shareware
program
- (B) Public
domain program
- (C) Firmware
program
- (D) Mindware
15. A program
- (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 of the CPU's time to
allow quick response to each user
Next Tests: