Computer Awareness Questions for NIACL Assistant
1.
Which of the following is a term related with scanner?
Answer: Option 'D'
Laser is the term related with scanner as there are laser scanners. TWAIN is an applications programming interface (API) and communications protocol that regulates communication between software and digital imaging devices, such as image scanners. It is a widely-used program that lets you scan an image (using a scanner) directly into the application.
2.
FORTRAN is a programming language. It is more suitable for _______.
Answer: Option 'C'
FORTRAN is the best and only major programming language for scientific applications. It is designed for performing large and complex scientific numerical computing.
3.
__________ ensures secure transfer of data over an unsecured network, such as the Internet.
Answer: Option 'D'
In cryptography, data are sent in such a way that they look completely different from the original data. Thus, cryptography ensures secure transfer of data over an unsecured network.
4.
A nibble refers to:
Answer: Option 'A'
Nibble= 4 Bits
5.
The SubSeven is an example of :
Answer: Option 'D'
SubSeven is a Trojan horse program that appears or pretends to be a genuine application, but actually causes damage to the executable files on the computer.
6.
Which of the following component is a part of RAM?
Answer: Option 'A'
Magnetic-core memory was the predominant form of random-access computer memory for 20 years between about 1955 and 1975. Such memory is often just called core memory, or, informally, core.
7.
Which of the following threads is used in an operating system?
Answer: Option 'D'
There are only two types of threads present in an operating system. One is user-level thread and the other is kernel-level thread. User-level threads are the threads which are controlled and managed by the user of the computer system. Kernel-level threads are the threads which are controlled and created by the operating system. These threads are at the kernel level of the computer system. Kernel is the one who creates the threads.
8.
Which among the following is a software that uses a pattern-matching technique to examine all files on a disk looking for harmful code?
Answer: Option 'D'
Antivirus or anti-virus software, sometimes known as anti-malware software, is computer software used to prevent, detect and remove malicious software.
9.
Which of the following conditions is responsible for occurrence of context switching?
Answer: Option 'A'
A context switching comes into the picture when the time period provided for one process is over and a new process is loaded from the ready queue for processing.
10.
Which among the following is the most suitable type of network that phone lines would use?
Answer: Option 'A'
Wide Area Network (WAN) usually uses telephone lines for connectivity, as WAN is spread over a large area and offers Internet-related services such as browsing, email, chatting, etc.
11.
The software that is used to create text based documents is referred as :
Answer: Option 'D'
Word processors are used to create text-based documents.
12.
What acts as master software that works as a mediator between a computer user and the hardware of a computer?
Answer: Option 'D'
Operating system provided an interface between a user and computer hardware. It enables a user to utilize hardware resources efficiently.
13.
Which among the following type of computers is also known informally as Number crunchier?
Answer: Option 'B'
Super Computers are also known as number crunchers. A super computer's dominant characteristic is its ability to perform large amounts of numerical computations quickly.
14.
______ is a set of keywords, symbols and a system of rules for constructing statements by which human can communicate the instructions to be executed by a computer.
Answer: Option 'B'
A programming language is a formal computer language or constructed language designed to communicate instructions to a machine, particularly a computer. Programming languages can be used to create programs to control the behaviour of a machine or to express algorithms.
15.
Which of the following is the type of software that controls the internal operations in the computer and controls how the computer works with all its parts?
Answer: Option 'D'
An operating system (OS) is a program or software that manages and coordinates the functions of all the components of a computer. It also acts as an interface between the user and the hardware of a computer.
16.
Which of the following is the activity of purchasing items and products from different websites on the internet and using online modes, such as credit cards and debit cards, to make the payments?
Answer: Option 'B'
The activity of purchasing items from different websites on the internet is known as online shopping.
17.
The process of a computer receiving information from a server on the internet is known as _______.
Answer: Option 'B'
Downloading is the process of a computer receiving information from a server.
18.
What does BASIC stands for?
Answer: Option 'C'
BASIC stands for Beginner’s All-purpose symbolic Instruction code.
19.
______ uses a standard called IEEE802.6.
Answer: Option 'C'
IEEE 802.6 is a standard governed by the ANSI for Metropolitan Area Networks (MAN).
20.
In number system, LSD stands for ___________.
Answer: Option 'D'
In number system, LSD stands for Least Significant Digit. It refers to those digits that carry least weight.
21.
IP addresses are converted to ______________.
Answer: Option 'C'
IP addresses are converted to a hierarchy of domain names
22.
The conversion of the binary number 10100111011 into its decimal form is __________.
Answer: Option 'A'
133910
23.
Word processing, spreadsheet and photo-editing are examples of________.
Answer: Option 'A'
Word processing, spreadsheet and photo-editing are examples of application software
24.
The primary purpose of a computer is to process _____________ and convert it into information.
Answer: Option 'B'
Before data is processed by a computer, it has to be fed into the computer using a keyboard, mouse or another input device. The central processing unit (CPU) analyses the raw data and processes it into sensible information.
25.
The simultaneous processing of executing two or more programs by multiple processors is-
Answer: Option 'D'
Multiprocessing is the capability of a computer to multitask, 0or execute more than one program or process at the same time.
26.
Help Menu is available at which button?
Answer: Option 'B'
Help Menu is available at Start button.
27.
What should be used if a company wants to include its company name and logo at the bottom of every page of a brochure?
Answer: Option 'C'
Headers and footers are pieces of text, or graphics, that appear at the top and bottom of a page. If a company wants to include its company name and logo at the bottom of every page of a brochure then it will use the Footer.
28.
Linux is an OS based on_____.
Answer: Option 'B'
The Linux open source operating system, or Linux OS, is a freely distributable, cross-platform operating system based on Unix.
29.
At a time how many operating system can be at work on a computer?
Answer: Option 'A'
At a time only one OS can be at work in a computer.
30.
The simultaneous processing of executing two or more programs by multiple processors is-
Answer: Option 'D'
Multiprocessing is the capability of a computer to multitask, 0or execute more than one program or process at the same time.
31.
The ______________ folder retains copies of messages that you have started but are not yet ready to send.
Answer: Option 'A'
Draft document is a type of technical report that is a work in progress, a preliminary form of a possible future document.
32.
What should be used if a company wants to include its company name and logo at the bottom of every page of a brochure?
Answer: Option 'C'
Headers and footers are pieces of text, or graphics, that appear at the top and bottom of a page. If a company wants to include its company name and logo at the bottom of every page of a brochure then it will use the Footer.
33.
A program that converts high level language to machine Language is _______.
Answer: Option 'C'
Compiler converts high-level languages to low-level languages.
34.
Which of the following is used to close a tab on a browser?
Answer: Option 'B'
Ctrl + W can be used to close a tab in a web browser.
35.
What is ‘Trend Micro’?
Answer: Option 'B'
Trend Micro is an antivirus.
36.
Storage of instructions in computer memory to enables it to perform a variety of tasks in sequence or intermittently. Who introduced the idea of stored program concepts?
Answer: Option 'D'
In the late 1940s by John von Neumann, proposed that a program be electronically stored in binary-number format in a memory device so that instructions could be modified by the computer as determined by intermediate computational results.
37.
DBMS ensures data integrity by managing transactions through ACID test. What does ACID stands for in computer science?
Answer: Option 'C'
ACID (Atomicity, Consistency, Isolation, and Durability) is a set of properties of database transactions.
38.
Table of contents can be prepared in Word2010 by using:
Answer: Option 'C'
by table of contents in references menu
39.
Who developed the basic architecture of Computers?
Answer: Option 'D'
The von Neumann architecture, also known as the von Neumann model is computer architecture by John Von Neumann.
40.
Which bar is usually located below the Title Bar in MS Word that provides categorized options?
Answer: Option 'A'
The Menu Bar is the horizontal band that contains commands and options that can be chosen.
41.
Inheritance is the ability of an object to pass on its characteristics to its _______.
Answer: Option 'A'
A superclass passes its characteristics to it's subclass in concept of inheritance in programming languages.
42.
What does the computer Motherboard contains that houses setting configurations and is powered by the onboard battery?
Answer: Option 'A'
The CMOS is a physical part of the motherboard: it is a memory chip that houses setting configurations and is powered by the onboard battery. The CMOS is reset and loses all custom settings in case the battery runs out of energy, additionally, the system clock resets when the CMOS loses power.
43.
Which type of system can learn and adjust to new circumstances by themselves?
Answer: Option 'D'
Neural Network is a computer system modeled on the human brain and nervous system.
44.
The default and maximum size of text filed in Access is ______.
Answer: Option 'D'
The default and maximum size of text filed in Access is 50 and 255 characters.
45.
Which among the following term is used for: Unauthorized copying of software to be used for personal gain instead of personal backups?
Answer: Option 'C'
Software piracy is the illegal copying, distribution, or use of software.
46.
Term referring to a person who uses his or her expertise to gain access to other people’s computers to get information illegally or do damage?
Answer: Option 'A'
hacker is someone who seeks and exploits weaknesses in a computer system.
47.
To allow someone else schedule your meetings and appointments, ______ feature of Outlook is used.
Answer: Option 'D'
Delegate Access is a more advanced feature than just sharing your Outlook folders. If you want to grant additional permissions, such as allowing a delegate the ability to create e-mail messages or respond to meeting requests on your behalf, you must use Delegate Access.
48.
Copying a process from memory to disk to allow space for other processes is called _______.
Answer: Option 'A'
Swapping concept comes in terms of process scheduling. Scheduler removes process from CPU for duration and reduces the degree of multiprogramming. And after some time these process can again be reintroduced into main memory.
49.
A _________ is a component of motherboard which absorbs the heat produced by the processor and other components of a computer
Answer: Option 'A'
A heat sink is a component of a motherboard which absorbs the heat produced by the processor and other components of a computer.
50.
What acts as master software that works as a mediator between a computer user and hardware of a computer?
Answer: Option 'D'
Operating system provides an interface between a user and computer hardware. It enables a user to utilise hardware resources efficiently.
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