Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer

From 16 to 30 of 2106

Q. ODBC stands for

a. Object Database Connectivity

b. Oral Database Connectivity

c. Oracle Database Connectivity

d. Open Database Connectivity

e. None of these

  • d. Open Database Connectivity

Q. Which two files are used during operations of the DBMS

a. Query languages and utilities

b. DML and query language

c. Data dictionary and transaction log

d. Data dictionary and query language

e. None of these

  • c. Data dictionary and transaction log

Q. A protocol is a set of rules governing a time sequence of events that must take place

a. between peers

b. between an interface

c. between modems

d. across an interface

e. None of these

  • a. between peers

Q. In communication satellite, multiple repeaters are known as

a. detector

b. modulator

c. stations

d. transponders

e. None of these

  • d. transponders

Q. Which of the following is required to communicate between two computers?

a. communications software

b. protocol

c. communication hardware

d. all of above including access to transmission medium

e. None of these

  • d. all of above including access to transmission medium

Q. Which of the following is an advantage to using fiber optics data transmission?

a. resistance to data theft

b. fast data transmission rate

c. low noise level

d. All of these

e. None of these

  • d. All of these

Q. Which of the following is not a transmissionmedium?

a. telephone lines

b. coaxial cables

c. modem

d. microwave systems

e. None of these

  • c. modem

Q. A technique for direct search is

a. Binary Search

b. Linear Search

c. Tree Search

d. Hashing

e. None of these

  • d. Hashing

Q. Two main measures for the efficiency of an algorithm are

a. Processor and memory

b. Complexity and capacity

c. Time and Space

d. Data and Space

e. None of these

  • c. Time and Space

Q. The space factor when determining the efficiency of algorithm is measured by

a. Counting the maximum memory needed by the algorithm

b. Counting the minimum memory needed by the algorithm

c. Counting the average memory needed by the algorithm

d. Counting the maximum disk space needed by the algorithm

e. None of these

  • a. Counting the maximum memory needed by the algorithm

Q. The list of coded instruction is called

a. Computer program

b. Algorithm

c. Flow chart

d. Utility programs

e. None of these

  • a. Computer program

Q. An optical input device that interprets pencil marks on paper media is

a. O.M.R

b. Punch card reader

c. Optical scanners

d. Magnetic tape

e. None of these

  • a. O.M.R

Q. Data divisions the third division of a            program.

a. COBOL

b. BASIC

c. PASCAL

d. FORTH

e. None of these

  • a. COBOL

Q. A program that converts computer data into some code system other than the normal one is known as

a. Encoder

b. simulation

c. Emulator

d. Decoder

e. None of these

  • a. Encoder

Q. A hybrid computer uses a……….to convert digital signals from a computer into analog signals.

a. Modulator

b. Demodulator

c. Modem

d. Decoder

e. None of these

  • c. Modem
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