10 Important computer MCQs for BANK EXAMS, SSC Exams, Police exams etc
Que 1: What is a tuple?
(A) Row
(B) Projection
(C) Field
(D) Union
Correct Ans: A
Que 2: Smart card is
(A) microprocessor cards
(B) processing unit contains memory for storing data
(C) special purpose cards
(D) processing unit for software handling
Correct Ans: A
Que 3: A series of Instruction that tells a computer what to do it is called as
(A) Program
(B) command
(C) user response
(D) processor
Correct Ans: A
Que 4: An applet __________
(A) is an interpreted program that runs on the client
(B) tracks the number of visitors to a Website
(C) is a compiled program that usually runs on the client
(D) collects data from visitors to a Website
Correct Ans: C
Que 5: The _____ states that a foreign key must either match a primary key value in another relation or it must be null.
(A) composite attribute
(B) action assertion
(C) entity integrity rule
(D) referential integrity constraint
Correct Ans: C
Que 6: Three SQL, DDL, CREATE commands are__.
(A) Schema, Base and Table
(B) Base, Table and Schema
(C) Key, Base and Table
(D) Schema, Table and View
Correct Ans: D
Que 7: Programming language built into user programs such as Word and Excel are known as____
(A) 4GLs
(B) macro languages
(C) object-oriented languages
(D) visual programming languages
Correct Ans: C
Que 8: one kilobyte is equal to :
(A) 1000 bytes
(B) 100 bytes
(C) 2024 bytes
(D) 1024 bytes
Correct Ans: D
Que 9: Choose the odd one out :
(A) Brute force attack
(B) Virtual Reality
(C) Unethical Phreaker
(D) Keystroke logging
Correct Ans: B
Que 10: What is the fullform of CSV?
(A) Colon Separated Values
(B) Combined Signal Values
(C) Control Signal Values
(D) Comma Separated Values
Correct Ans: D
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