1.
Which of the following computers exhibits the features of both analog the digital computers?
Answer: Option 'A'
The computer that exhibits the features of both digital and analog computers is known as a hybrid computer.
2.
These printers do not establish any mechanical contact between the print head and the paper. The examples of such type of printers are
Answer: Option 'D'
Non-impact printer does not establish any mechanical contact between the print head and the paper. The well-known non-impact printers are inkjet and laser printers.
3.
Which one of the following is an Indian super computer?
Answer: Option 'B'
VIRGO is a supercomputer that was developed by IIT Madras. Tianhe-2 is a super computer that was built by China. Titan is a supercomputer that belongs to USA and Shaheen II is a supercomputer that was built by Saudi Arabia.
4.
Which of the following statements is not true about cache memory?
Answer: Option ''
Cache memory is a form of Random Access Memory (RAM) that is directly associated with the microprocessor.
5.
Which of the following statements is true for a piconet?
Answer: Option 'D'
Piconet is an adhoc network that works on the Bluetooth technology and connects up to eight devices. It is also called personal area network (PAN). A scatternet is a type of ad hoc computer network consisting of two or more piconets.
6.
Which communication mode allows both the sender and the receiver to transmit data at the same time over a single communication channel?
Answer: Option 'C'
In the simplex mode, communication is always unidirectional, for example television. In the half-duplex mode, communication is bidirectional but one at a time, which means only one of the parties can send data at a time. Walkie-talkie is an example of half duplex communication. In the full-duplex mode, communication is bidirectional, which means both the parties can transmit data simultaneously. Telephone is an example of full-duplex communication. The semi-duplex mode is not and type of communication mode.
7.
Walkie-talkie is an example of which of the following?
Answer: Option 'B'
In the case of walkie-talkie, the person at one end sends signals, while the other on the receiving end receives these signals. The person at the receiving end cannot communicate until the person at the first end stops.
8.
In which types of network are all the computers considered equal?
Answer: Option 'A'
The peer-to-peer network is a type of network where each computer is connected to the other to share resources without requiring a separate server system. In this network, computers can be connected via an ad-hoc connection.
9.
Which of the following is an example of application software?
Answer: Option 'D'
MS Word 2007 is application software.
10.
_____ 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.
Answer: Option 'C'
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.
11.
Which of the following appropriately relates with starting up an operating system?
Answer: Option 'D'
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.
12.
In MS-DOS 6.22, which part identifies that product uniquely?
Answer: Option 'D'
MS-DOS 6.22; 6.22 is the version number which identifies it uniquely.
13.
__________ means that the data contained in a database is accurate, consistent and reliable.
Answer: Option 'B'
Data integrity means that the data contained in a database is accurate, consistent and reliable.
14.
Which operation performs a set union of two ‘similarly structured’ tables?
Answer: Option 'A'
Union operation performs a set union of two ‘similarly structured’ tables.
15.
What is a tuple?
Answer: Option 'A'
Tuple is a row.
16.
In relational database, a field is a:
Answer: Option 'D'
A field is category of information.
17.
Which among the following is the most suitable type of network spread over large span 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.
18.
What does JAR stand for?
Answer: Option 'C'
In software, JAR (Java Archive) is a package file format typically used to aggregate many Java class files and associated metadata and resources (text, images, etc.) into one file to distribute application software or libraries on the Java platform.
19.
Bridge is a _________ device.
Answer: Option 'B'
A bridge is a network device used at the data link layer to connect two dissimilar networks as well as similar networks.
20.
Which of the following cable types is called cheapernet?
Answer: Option 'D'
As the installation cost of thinnet coaxial cable is less, it is also known as cheapernet.