Computer Awareness
Questions for IBPS Mains Exams – Day 4
1. Digital
computers use a ________ system to encode data and programs.
(a) Semiconductor
(b) Decimal
(c) Binary
(d) RAM
(e) ROM
Explanation: Digital Computers use Binary
System.
2. A main
characteristic of computer system is ______, that can perform different types
of tasks at the same time.
(a) Diligence
(b) Versatility
(c) Accuracy
(d) Speed
(e) No IQ
Answer: B)
Explanation: Versatility is the characteristic of
a computer that attributes to its multitasking and multiprogramming
capabilities.
3.
Something which has easily-understood instructions is said to be:
(a) Information
(b) Word processing
(c) Icon
(d) User friendly
(e) None of these
Answer: D)
Explanation: User friendly instructions are easy
to understand by the user.
4. Which
among the following term is related to the collection of links throughout the
Internet that creates an interconnected network?
(a) WWW
(b) Web
(c) World Wide Web
(d) All of the above options
(e) Wide Area Web
Answer: D)
Explanation: except Wide Area Web all other terms
are related to the given context.
5. Commands
at the top of a screen such as File-Edit, Format and Tools to operate and
change things are incorporated in __________________.
(a) Menu bar
(b) Tool bar
(c) User friendly
(d) Word processor
(e) None of these
Answer: A)
Explanation: Those commands, options are available
in menu bar.
6. The
first electronic digital computer contained _________?
(a) Electronic valves
(b) Neural Networks
(c) Fuzzy Logic
(d) Semiconductor memory
(e) None of these
Answer: A)
Explanation: The first electronic digital computer
contained electronic valves.
7. A set of
instructions telling the computer what to do is called-
(a) Mentor
(b) Instructor
(c) Compiler
(d) Program
(e) Debugger
Answer: D)
Explanation: A program is a set of instructions
that govern functioning of a computer.
8. Which of
the following kind of devices allow the user to add components and capabilities
to a computer system?
(a) System boards
(b) Storage devices
(c) Input devices
(d) Output devices
(e) Expansion slots
Answer: E)
Explanation: Expansion slots allows user to add
devices.
9. _____ is
a Windows utility program that located and eliminates unnecessary fragments and
rearranges filed and unused to disk space to optimize operations.
(a) Backup
(b) Disk cleanup
(c) Disk defragmenter
(d) Restore
(e) Disk restorer
Answer: C)
Explanation: Disk defragmenter is a Windows
utility program that located and eliminates unnecessary fragments and
rearranges filed and unused to disk space to optimize operations.
10. Which
of the following extension refers to System files?
(a) .COM
(b) .EXE
(c) .SYS
(d) .PRG
(e) None of these
Answer: C)
Explanation: ‘.SYS’ extension refers to System
files
11. The
term ‘time sharing’ has been replaced by:
(a) multi-tasking system
(b) multi-programming system
(c) multi-processing system
(d) multi-execution system
(e) None of the above
Answer: A)
Explanation: In computing, multitasking is a
concept of performing multiple tasks (also known as processes) over a certain
period of time by executing them concurrently. They’ve replaced time sharing
terminology.
12. Press
__________ to open ‘Find’ dialog box.
(a) Ctrl + F
(b) Alt + F
(c) Tab + F
(d) Ctrl + Alt + F
(e) None of these
Answer: A)
Explanation: Ctrl + F is the short cut key
combination to open find dialogue box.
13. What is
an intranet?
(a) A LAN of an organization
(b) A wide Area Network connecting
all branches of an organization
(c) A corporate computer
network
(d) A network connecting all
computers of an organization and using the internet protocol
(e) None of these
Answer: D)
Explanation: An intranet is a private network,
operated by a large company or other organization, which uses internet
technologies, but is insulated from the global internet.
14. Specialized
program(s) designed to allow particular input or output device(s) to
communicate with the rest of the computer system is called _______.
(a) Computer
(b) Device drivers
(c) Interpreters
(d) Operating system
(e) None of these
Answer: B)
Explanation: A device driver is a program that
controls a particular type of device that is attached to your computer. There
are device drivers for printers, displays, CD-ROM readers, diskette drives, and
so on. When you buy an operating system, many device drivers are built into the
product.
15. Which
of the following scrambles a message by applying a secret code?
(a) Encryption
(b) Audits
(c) UPS
(d) Firewalls
(e) None of the above
Answer: A)
Explanation: encryption is the process of encoding
messages or information in such a way that only authorized parties can read it.