Clock
Test duration:
60
min
Notes
No. of questions:
14
Tie
Level of experience:
Mid/Expert Level

iOS Online Test (Objective-C)

The iOS Online Test is the ideal pre-employment test for recruiters and hiring managers to hire job-fit candidates for technical roles. This pre-hire IOS programming test assesses the candidates’ object-oriented programming language skills. By filtering out irrelevant candidates, the iOS Interview Test (Objective-C) can reduce hiring time by 40% and minimize technical screening time by 80%.

13000
+
Candidates
Assessed
115
+
Organizations Served
Fujitsu
Paypal
Capgemini
Deloitte
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About

iOS Online Test (Objective-C)

Objective-C is a reflective, object-oriented programming language that adds Smalltalk-style messaging to the C programming language. It is used primarily on Apple's Mac OS X and iOS: two environments based on the Open Step standard, though not compliant. Objective-C is the primary language used for Apple's Cocoa API. The junior iOS Developer will be primarily responsible for building mobile applications.

iOS online test (Objective-C) is specially designed by Subject Matter Experts (SME) to check an iOS developer's basic and application skills as per industry standards. iOS programming test (Objective-C) helps to hire managers and recruiters to validate an applicant's Objective-C programming skills of an applicant for iOS before an interview.

The online iOS test (Objective-C) enables employers and recruiters to identify potential prospects by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience rather than theoretical knowledge.

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How it works

Test Summary

The iOS developer test (Objective-C) helps to screen the candidates who possess traits as follows:  

  • Knowledge of developing and shipping mobile apps for iOS devices 
  • Knowledge of developing apps and building solutions based on Apple iOS and relevant technologies 
  • Experience in Objective C using Xcode 
  • Basic understanding of how iOS, macOS, and UNIX systems work under the hood 

Our iOS interview test (Objective-C) ensures that the new hires will be the right fit for the iOS developer position with excellent objective- C programming knowledge. The process of hiring such candidates will be done through our iOS programming skills test (Objective-C), which is automated and will provide you with detailed analytical reports of each candidate who appeared. 

The iOS programming test (Objective-C) may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Descriptive, Whiteboard Questions, Audio / Video Questions, AI-LogicBox, Coding Simulations, True or False Questions, etc.

Test Duration
60
No. of Questions
14
Level of Expertise
Mid/Expert Level
Useful for hiring
  • iOS Developer Objective C
  • iOS Mobile Application Developer
  • Principal iOS Developer
  • Junior iOS Developer – Objective-C
  • Jr. iOS App Developer
Topics Covered
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Framework

The pre-hire IOS developer test assesses a candidate’s ability to develop an application and link a project to one or more Frameworks.

SQLite Coding

The test contains coding questions to check the candidate’s coding skills.
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Scenario Based questions

The test assesses developers by giving real-life scenarios to candidates.
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Properties and Attributes in IOS

The IOS programming skills test includes questions on properties & attributes to check the candidate’s knowledge of data storage in instances of classes.
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Font-Related Questions

The IOS interview test evaluates the candidate’s knowledge of Font size guidelines for iOS.
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Architecture Patterns

The online IOS assessment allows you to test a candidate’s understanding of Architecture Patterns to develop an application.
Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Answer

Topic:

Foundation

Difficulty:

Medium

Question:

You have written the following code in Objective-C to execute databases queries and network requests asynchronously.

NSOperationQueue *firstQueue = [NSOperationQueue mainQueue];
NSOperationQueue *secondQueue = [[NSOperationQueue alloc] init];
NSOperationQueue *thirdQueue = [[NSOperationQueue alloc] init];
[secondQueue addOperationWithBlock:^{
    // 1
    [firstQueue addOperationWithBlock:^{
        // 2
        [thirdQueue addOperationWithBlock:^{
            // 3
            [secondQueue addOperationWithBlock:^{
                // 4
            }];
        }];
    }];

    [firstQueue addOperationWithBlock:^{
        // 5
    }];

}];

In which of the following queue blocks are the UI operations allowed?

Note: There can be multiple correct answers to this question.


Options

  • 1
  • 2
  • 3
  • 4
  • 5
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