Computer Awareness Questions for IBPS Mains Exams – Day 5
1. A (n)
__________ device is any hardware component that allows you to enter data and
instruction into a computer.
(a)
interaction
(b) input
(c)
communications
(d) output
(e)
terminal
Explanation: Input devices are for giving input
(entering data/instructions) to a computer.
2. The
device that can both feed data into and accept data from a computer is called
_________.
(a) ALU
(b) CPU
(c)
input-output device
(d) All of
these
(e) None of
these
Answer: C)
Explanation: I/O Device or Input Output device
can both feed data into and accept data from a computer.
3. The
insert, cap lock and num lock all are examples of __________ keys.
(a) Control
(b)
Function
(c) Toggle
(d)
Shortcut
(e) None of
these
Answer: C)
Explanation: The insert, cap lock and num lock
are all examples of Toogle keys. A toggle key toggles the input from a group of
keys on a keyboard between two different input modes.
4. An
electronic device, operating under the control of instruction that can accept
and process the data, produce output and store the results for future use is
called _________.
(a) Input
(b)
Computer
(c)
Software
(d)
Hardware
(e) None of
these
Answer: B)
Explanation: Computer is an electronic device
operating under the control of instruction that can accept and process the
data, produce output and store the results.
5. Computer
gathers data, which means that it allow users to __________ data.
(a) Present
(b) Input
(c) Output
(d) Process
(e) None of
these
Answer: B)
Explanation: Computer allows user to input data,
and by user’s inputs it gathers data.
6. The
smallest unit of information, a computer can understand and process is known as
________.
(a) Digit
(b) Byte
(c)
Megabyte
(d) Bit
(e) Nibble
Answer: D)
Explanation: Bit is the smallest unit of
information.
7.
Computers use the ____________number system to store data and perform
calculations.
(a) Binary
(b) Decimal
(c) Octal
(d)
Hexadecimal
(e) None of
these
Answer: A)
Explanation: Computer uses binary number system.
8. Mozilla
Firefox is a _____.
(a)
Spreadsheet
(b) Word
processing software
(c) Web
browser
(d)
Programming software
(e) None of
these
Answer: C)
Explanation: Mozilla Firefox is a web browser.
9. _____ is
usually recorded and played, displayed, or accessed by information content
processing devices, which as computerized and electronic devices, but can also
be part of live performance.
(a) Virus
(b) BIOS
software
(c)
Multimedia
(d) C++
(e) None of
these
Answer: C)
Explanation: Multimedia is the field concerned
with the computer-controlled integration of text, graphics, drawings, still and
moving images (Video), animation, audio, and any other media where every type
of information can be represented, stored, transmitted and processed digitally.
10. Which
of the following appropriately relates with starting up an operating
system?
(a)
Starting
(b)
Entering
(c)
Formatting
(d) Booting
(e) None of
these
Answer: D)
Explanation: Booting is a startup sequence that
starts the operating system of a computer when it is turned on. A boot sequence
is the initial set of operations that the computer performs when it is switched
on. Every computer has a boot sequence.
11. In
MS-DOS 6.22, which part identifies that product uniquely?
(a) MS
(b) DOS
(c) Ms -
DOS
(d) 6.22
(e) None of
these
Answer: D)
Explanation: MS-DOS 6.22; 6.22 is the version
number which identifies it uniquely.
12. In
relational database, a field is a:
(a) label
(b) table
of information
(c) group
of related records
(d)
category of information
(e) None of
these
Answer: D)
Explanation: A field is category of information.
13. Which
one of the following is a set of one or more attributes taken collectively to
uniquely identify a record?
(a)
Candidate key
(b) Sub key
(c) Super
key
(d) Foreign
key
(e) None of
these
Answer: C)
Explanation: Super key is a set of one or more
attributes taken collectively to uniquely identify a record.
14. A
__________ is a property of the entire relation, rather than of the individual
tuples in which each tuple is unique.
(a) Rows
(b) Key
(c)
Attribute
(d) Fields
(e) None of
these
Answer: B)
Explanation: Key is a property of the entire
relation (relation is a table).
15. EPROM
is generally erased by using ______.
(a)
ultraviolet rays
(b)
infrared rays
(c) 12V
electrical pulse
(d) 24V
electrical pulse
(e) None of
these
Answer: A)
Explanation: EPROM is generally erased by using
ultraviolet rays.