Tag: Computer Science Class 12
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Computer Science Class 12 Chapter 5 Introduction To Microsoft Access Test Paper
Q.1: Tick the correct Option. 1.It makes very simple to create a database (a)Sample Database (b) Wizard✅ (c) Common Standard (d) Easier Programmin 2. Which object is the output of a database application? (a) Form (b) Query (c) Table (d) Report✅ 3. Find and replace command is found in (a) Edit menu✅ (b) File menu…
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Computer Science Class 12 Chapter 4 Data Integrity And Normalization Test Paper
Q.1: Tick the correct Option. 1. The problems that occur due the redundancy in relation are called: (a) inconsistenct (b) duplication (c) anomaly✅ (d) dependency 2. Value of primary key attribute can’t be null. Which constraint defines this rule? (a) Entity integrity✅ (b) Data integrity (c) Referential integrity (d) All 3. A relation that contains…
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Computer Science Class 12 Chapter 3 Data Basic Design Process Test Paper
Q.1: Tick the correct Option. 1. Which of the following is not included is the definition of entity? (a) person (b) object (c) concept (d) Action✅ 2. Customers, cars are example of: (a) Entities✅ (b) Attributes (c) Cardinals (d) Relationship 3. Duplicate data in multiple data files is called (a) Data redundancy✅ (b) Data consistency…
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Computer Science Class 12 Chapter 2 Basic Concepts and Terminology Test Paper
Computer Science Class 12 Chapter 2 Basic Concepts and Terminology Test Paper Q.1: Tick the correct Option. 1. A key that is used strictly for data retrieval purposes: (a) primary key (b)secondary key✅ (c) composite key (d) alternate key 2. Which of the following is also known as control key? (a) Sort key✅ (b) Composite…
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Computer Science Class 12 Chapter 1 DATA BASICS Test Paper
Computer Science Class 12 Chapter 1 DATA BASICS Test Paper Q.1: Tick the correct Option. 1. Which of the following is known as data set? (a) All(b) Field(c) Record(d) File ✅ 2. The logical grouping of characters is : (a) All(b) Field ✅(c) Record(d) File 3. The most commonly used database model in current database…