301. The process to convert analog signals into digital signals is called
(A) Modulation
(B) Demodulation
(C) Digitization
(D) Conversion

302. Which of the following memories can be re-written by using electrical devices?
(A) PROM
(B) ROM
(C) EEPROM
(D) EPROM

303. ___________ virus is a polymorphic virus. Polymorphic means “changes nature with passage of time”.
(A) Redlof
(B) Torjan Horse
(C) Chernobal
(D) Logic Bomb

304. Which of the following protocols is used by World Wide Web(www)?
(A) TCP/IP
(B) Ethernet
(C) FTP
(D) HTTP

305. Which of the database objects allows to extract specific information from tables?
(A) Queries
(B) Forms
(C) Reports
(D) Records

306. The instructions that are given to the compiler before the beginning of actual program are:
(A) C statements
(B) Preprocessor directive
(C) Linking instructions
(D) C instructions

307. Which key combination is used to run C program:
(A) Alt+F9
(B) Ctrl+S
(C) Alt+F5
(D) Ctrl+F9

308. Different attributes in two different tables having same name are referred to as
(A) Acronym
(B) Synonym
(C) Homonym
(D) Mutually exclusive

(A) Unstructured language
(B) Structured language
(C) Object oriented language
(D) Software

310. A primary key that consists of more than one attribute is called a
(A) Foreign key
(B) Composite key
(C) Multivalued key
(D) Global key

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