3
Q:

OCR stands for

A) Optical Character Recognition B) Optical CPU Recognition
C) Optimal Character Rendering D) Other Character Restoration

Answer:   A) Optical Character Recognition



Explanation:
Subject: Computer
Exam Prep: Bank Exams
Q:

Size of the primary memory of a pc ranges between

A) 256 kb to 640 kb B) 64 kb to 256 kb
C) 256 kb to 512 kb D) 2 kb to 8 kb
 
Answer & Explanation Answer: A) 256 kb to 640 kb

Explanation:

Size of the primary memory of a PC ranges between 256 KB to 640 KB.

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0 23
Q:

The depth of a complete binary tree is given by

A) Dn = log 2 (n+1) B) Dn = log 1/2 (n+1)
C) Dn = log (n+1) D) Dn = log 2 (n-1)
 
Answer & Explanation Answer: A) Dn = log 2 (n+1)

Explanation:

A complete binary tree is a binary tree where all the levels have maximum number of nodes except possibly the last level.

 

The depth of complete binary tree of n nodes will be Dn=log 2 (n+1) where Dn is the height or depth of the tree and n is the number of nodes.

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Q:

Programs stored in ROM are called

A) Firmware B) Software
C) Hardware D) None of above
 
Answer & Explanation Answer: A) Firmware

Explanation:

ROM stands for read-only-memory.

 

It's used to store the start-up instructions for a computer, also known as the firmware.

 

Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.

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0 80
Q:

Which of the following data structure is linear type?

A) Tree B) Binary Tree
C) Queue D) Graph
 
Answer & Explanation Answer: C) Queue

Explanation:

A data structure is a specialized format for organizing and storing data. General data structure types include the array, the file, the record, the table, the tree, and so on. Any data structure is designed to organize data to suit a specific purpose so that it can be accessed and worked with in appropriate ways.

 

Linear data structure: A linear data structure traverses the data elements sequentially, in which only one data element can directly be reached.

Ex: Arrays, Linked Lists, Stack, Queue, Any type of List all are linear.

 

Trees like Binary Tree, B Tree or B+ Tree are examples of non linear data structure.

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1 54
Q:

The memory unit is one part of

A) Input Device B) Central Processing Unit
C) Control Unit D) Output device
 
Answer & Explanation Answer: B) Central Processing Unit

Explanation:

In a computer, memory is one part of Central processing unit i.e, CPU.

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1 84
Q:

Digitized information can be used by computers.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

TRUE. The computers and electronic devices use digitized information which is easily understood by them.


 


Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

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1 80
Q:

System Study involves

A) documenting the existing system B) identifying current deficiencies and establishing new goals
C) study of an existing system D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
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2 89
Q:

A report generator is used to

A) print files on paper B) data entry
C) update files D) All the above
 
Answer & Explanation Answer: A) print files on paper

Explanation:

A report generator is a computer program whose purpose is to take data from a source such as a database, XML stream or a spreadsheet, and use it to produce a document in a format which satisfies a particular human readership.

 

Hence, A report generator is used to print files on paper.

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