1.
Which of the following is a machine independent program?
Answer: Option 'A'
It is a machine independent language. It enables user to write programs in a language which resemble English words and familiar mathematical symbols.
2.
For each attribute of a relation, there is a set of permitted values, called the __________ of that attribute.
Answer: Option 'B'
Set of permitted values is called the domain of that attribute.
(Relation is a table. Attributes describe the instances in the row of a database.)
3.
The __________ operation performs a set union of two ‘similarly structured’ tables.
Answer: Option 'A'
Union operation performs a set union of two ‘similarly structured’ tables.
4.
ODBC stands for _____________.
Answer: Option 'D'
Open Database Connectivity (ODBC) is an open standard application programming interface (API) for accessing a database.
5.
To ‘maximize’ a window means to:
Answer: Option 'B'
‘maximize’ a window means expanding it to fit the desktop.
6.
The most widely used type of database management system is the:
Answer: Option 'C'
A relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as invented by E. F. Codd. Relational databases have often replaced legacy hierarchical databases and network databases because they are easier to understand and use.
7.
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 on board 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.
8.
Charles Babbage is known to have conceived which of the following earliest Computing machine?
Answer: Option 'A'
The Analytical Engine was a proposed mechanical general-purpose computer designed by English mathematician and computer pioneer Charles Babbage. It was first described in 1837 as the successor to Babbage's difference engine, a design for a mechanical computer.
9.
How can you access the font size tool on font dialog box in MS Word?
Answer: Option 'D'
Ctrl + Shift + P is the shortcut key to access the font size tool on font dialog box.
10.
Internet access by transmitting digital data over the wires of a local telephone network is provided by:
Answer: Option 'B'
Digital subscriber line (DSL or digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.
11.
OSI model has how many layers?
Answer: Option 'C'
OSI Model stands for Open Source Interconnection and it has seven layers: Application Layer, Presentation Layer, Session Layer, Transport Layer, Network Layer, Data link Layer, Physical Layer.
12.
In the relational model, a cardinality is termed as __________.
Answer: Option 'A'
In the relational model, cardinality is termed as Number of tuples.
13.
Who invented the machine to add numbers quickly and accurately?
Answer: Option 'C'
Blaise Pascal developed a machine that was used to perform additions quickly and accurately. This machine was called the adding machine or Pascaline.
14.
Network __________ is the arrangement of the various elements (links, nodes, etc.) of a computer network.
Answer: Option 'B'
Network topology is the arrangement of the various elements (links, nodes, etc.) of a computer network. There are two basic categories of network topologies: Physical topologies and Logical topologies.
15.
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 _________.
Answer: Option 'B'
Computer is an electronic device operating under the control of instruction that can accept and process the data, produce output and store the results.
16.
Which of the following forms a part of a search engine?
Answer: Option 'D'
The three important elements of a search engine are spiders or Web crawlers, indexing software and search algorithm.
17.
Which of the following units performs the arithmetic tasks (such as addition, subtraction, multiplication, and division) and logical operations?
Answer: Option 'C'
Arithmetic Logic Unit (ALU) performs arithmetic and logical operations. On the other hand, control unit extracts instructions from the computer memory, decodes and executes instructions, and takes help of the ALU if required. Storage unit or memory unit is used to store the data, while the input is used to enter data into the computer.
18.
The key combination of ‘Ctrl + Page Down’ is used to:
Answer: Option 'B'
In an MS Word document, the key combination ‘Ctrl + Page Down’ is used for moving the cursor one page downwards.
19.
In first generation of computers, they used ______.
Answer: Option ''
In First Generation mainly batch processing operating system were used.
20.
What is the maximum font size you can apply for any character?
Answer: Option 'A'
1638 is the max font size that can be applied for any character.