Computer
Awareness Questions for IBPS Mains Exams – Day 3
1. In DOS, which of the following command is used
to delete all the files as well as sub-directories of a directory?
(a) DELETE
(b) DEL
(c) DELTREE
(d) MOVE
(e) None of these
Explanation: DELTREE is a command line command in
some operating systems that recursively deletes an entire subdirectory of
files.
2. What is/are the feature(s) of a Multi-processor?
(a) it increases reliability
(b) it distributes tasks
(c) it saves money compared to
multiple single system
(d) All of the above
(e) None of the above
Answer: D)
Explanation: A multiprocessor is a computer system with two or more central
processing units (CPU’s). Benefits of using a multiprocessor include:
i) Enhanced performance
ii) Multiple applications
iii) Multiple users
iv) Multi-tasking inside
an application
v) High throughput and/or
responsiveness
vi) Hardware sharing
among CPUs
3. __________ is not the category of operating
system’s task.
(a) Virus protection
(b) Processor management
(c) Memory management
(d) File management
(e) Device management
Answer: A)
Explanation: Virus protection is not the category
of operating system task.
4. A thread shares its resources with:
(a) other threads that belong to the
same process
(b) other process similar to the one
that the thread belongs to
(c) other threads that belong to
similar processes
(d) All of the above
(e) None of the above
Answer: A)
Explanation: A thread shares its resources with
other threads that belong to the same process
5. Multi-programming systems-
(a) execute each job faster
(b) execute more jobs at the same
time
(c) are used only on large mainframe
computers
(d) are easier to develop than single
programming systems
(e) All of the above
Answer: B)
Explanation: Multi-programming systems execute
more jobs at same time.
6. Which of the following controls the manner of
interaction between the user and the operating system?
(a) User interface
(b) Language translator
(c) Platform
(d) Screen saver
(e) None of the above
Answer: A)
Explanation: User interface is the means by which
the user and a computer system interact, in particular the use of input devices
and software.
7. The blocks of code, included in the operating
system, that software applications interact with are known as:
(a) Application Programming
Interfaces (APIs).
(b) complimentary Metal-Oxide
Conductors (CMOS).
(c) Device drivers.
(d) Bootstrap loaders.
(e) None of these
Answer: A)
Explanation: An API specifies how software
components should interact.
8. __________ is called as program in execution.
(a) instruction
(b) procedure
(c) function
(d) process
(e) All of these
Answer: D)
Explanation: Program in execution is called the
process.
9. Embedded operating system used:
(a) On a PDA
(b) On a desktop operating system
(c) On a networked PC
(d) On a network server
(e) On a mainframe
Answer: A)
Explanation: An embedded system is a computer that
is part of a different kind of machine. Examples include computers in cars,
traffic lights, digital televisions, ATMs, airplane controls, point of sale
(POS) terminals, digital cameras, GPS navigation systems, elevators, digital
media receivers and smart meters, among many other possibilities.
10. Linux is a type of software-
(a) shareware
(b) commercial
(c) proprietary
(d) open source
(e) Both (a) and (d)
Answer: D)
Explanation: Open-source software (OSS) is
computer software with its source code made available with a license in which
the copyright holder provides the rights to study, change, and distribute the
software to anyone and for any purpose.
11. The capability of the operating system is to
enable two or more than two programs to execute simultaneously in a single
computer system by a single processor is __________.
(a) multi-processing
(b) multi-tasking
(c) multi-programming
(d) multi-execution
(e) None of these
Answer: C)
Explanation: Multiprogramming is a rudimentary
form of parallel processing in which several programs are run at the same time
on a uniprocessor. Since there is only one processor, there can be no true
simultaneous execution of different programs.
12. The type of operating system you use depends
on your computer __________.
(a) I/O device
(b) platform
(c) browser
(d) Both (a) and (b)
(e) None of these
Answer: B)
Explanation: The type of operating system you use
depends on your computer platform.
13. __________ is the operating system that reads
and reacts in terms of actual time.
(a) Real time system
(b) Batch system
(c) Quick response system
(d) Time sharing system
(e) None of these
Answer: A)
Explanation: A real-time operating system (RTOS)
is an operating system (OS) intended to serve real-time applications which
process data as it comes in, typically without buffering delays. Processing
time requirements (including any OS delay) are measured in tenths of seconds or
shorter increments of time.
14. What happens when you boot up a PC?
(a) Portions of the operating system
are copied from disk into memory
(b) Portions of the operating system
are copied from memory onto disk
(c) Portions of the operating system
are compiled
(d) Portions of the operating system
are emulated
(e) None of the above
Answer: A)
Explanation: when you boot up a PC Portions of the
operating system are copied from disk into memory.
15. The simultaneous processing of two or more
programs by multiple processors is called-
(a) Multi-programming
(b) Multi-tasking
(c) Time-sharing
(d) Multi-processing
(e) None of these
Answer: D)
Explanation: Multiprocessing is the use of two or
more central processing units (CPUs) within a single computer system. The term
also refers to the ability of a system to support more than one processor
and/or the ability to allocate tasks between them.
