Seçmeli Ara Sınav - Information Technologies

Soru 1:

I. Memory management II. Device management III. Power management Which ones listed above are among the characteristics of operating systems?

A) Only I B) Only II C) Only III D) I and II E) I and III

Soru 2:

Data that describes core entities for an enterprise such as customers, assets, employees and so on is called:

A) Data architecture. B) Metadata. C) Master data. D) Data housing. E) Database.

Soru 3:

Which of the followings gathers similar objects which do not have a class label?

A) Mining of Frequent Patterns B) Class/Concept Description C) Mining Associations D) Mining Correlations E) Mining Clusters

Soru 4:

Which of the following is not a basic operation for computers ?

A) Input B) Output C) Processing D) Storing E) Heating

Soru 5:

Foreign key approach, merging relation approach and the approach in which "a relationship is created where primary keys of two entity types are used as foreign keys and one of these foreign keys is chosen as primary key of R" are all different ways of:

A) Mapping of strong entity types. B) Mapping of weak entity types. C) Mapping 1:1 binary relationship types. D) Mapping of 1:N binary relationship types. E) Mapping n-ary relationship types.

Soru 6:

I. Enables the users to use computer in a convenient and efficient manner II. To keep track of who is using which resource, granting resource requests, according for resource using and mediating conflicting requests from different programs and users III. Provides efficient and fair sharing of resources among users and programs IV. Manages the resources of a computer system V. Acts as an intermediary between the computer hardware and its users VI. Hides complexity of the hardware resources from the users Which of the objectives stated above are the main objectives of the operating sytem?

A) Only II B) II and IV C) I, II and VI D) II, III, V and VI E) I, II, III, IV, V and VI

Soru 7:

Which of the following is a fundamental characteristic of application software?

A) It is written in low-level programming languages. B) It is difficult to design. C) It operates at a high speed. D) It is close to the system. E) It is more interactive.

Soru 8:

I. It provides mechanisms to convert data into accessible, reliable, authentic and complete form. II. It helps decision makers to make strategic decisions by allowing mining and analyzing data. III. It allows organizing, tracking, deleting, creating, and reporting data. IV. It disallows redundancy and loss in data.V. It minimizes damage caused by errors related with data. Which of the statements above is true about the advantages of data management?

A) I and II B) II, III and V C) III, IV and V D) II, III, IV and V E) I, II, III, IV and V

Soru 9:

Which kind of attacks aim to prevent normal functioning of a computer System and usually flood the network with traffic until a shutdown occurs due to the overload?

A) Denial-of-Service Attack B) Man-in-the-Middle Attack C) Eavesdropping D) Spoofing Attacks E) Man-in-the-Browser Attacks

Soru 10:

In which stage, the solution system is defined based on the requirements and analysis decision?

A) Analysis B) Development C) Design D) Implementation/Testing E) Evaluation/Maintenance

Soru 11:

Which group of computer network usually covers a campus or a city?

A) Personal Area Network B) Local Area Network C) Office Network D) Metropolitan Area Network E) Wide Area Network

Soru 12:

Which of the followings refers to the set of rules, models, methodologies to determine data flow for enterprises’ applications, to manage data in rest for enterprises’ information technology systems and so on?

A) Data Quality B) Data Security C) Data Definition D) Data Architecture E) Data Warehousing

Soru 13:

Which of the following is the process of understanding data classes or concepts?

A) Data mining B) Data cleaning C) Classification D) Visualization E) Class/concept description:

Soru 14:

In hexadecimal representation of data, which letter is used for the number 15?

A) A B) B C) D D) F E) C

Soru 15:

Which of the following cannot be done thanks to computer networks?

A) Exchange and share data and files B) Share a hardware resource such as a printer or a scanner C) Share Internet connections D) Access files and share resources even if it is not permitted E) Store and access data centrally

Soru 16:

Which statement below accurately describes the difference between "conceptual design" and "logical design"?

A) Conceptual design establishes how concepts are related to each other within the database. B) Conceptual design is the utilization of normalization rules to apply constraints that allow us to uniquely identify attributes. C) Logical design is the logical categorization of entities based on their attributes and provides a general schema of the database. D) Conceptual design establishes the entity-relationship model of the data in the database, while logical design maps the entities and their relationships into relational schemas. E) Conceptual design establishes the relational schema between entities, applying domain, key, integrity and reference constraints to better categorize and map the relations between entities.

Soru 17:

How many characters does ASCII code include in total ?

A) 16 B) 32 C) 64 D) 94 E) 128

Soru 18:

Which of the followings is a device that serves as a bridge between a local network and the Internet?

A) Router B) Modem C) Switch D) Hub E) Bridge

Soru 19:

"It is a set of instructions that enables the user to interact with a computer, its hardware, or perform tasks. It is designed to enable a computer to perform a well-defined function." Which term is defined above?

A) Software B) Device driver C) Firmware D) Operating system E) Booting

Soru 20:

What is true about application software?

A) It's close to user B) Requires small storage space C) It's more interactive than system software D) It's difficult to manipulate E) It's generally written in low-level language