ECAT Computer Science MCQ's Test For Full Book With Answers

ECAT Computer Science MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 A computer has very high speed, accuracy and reliability . Its intelligent quotient could be of the order of 0 10 15 20
2 The computer programe consists mainly the following number of parts 2 3 4 5
3 A computer is capable of performing almost any task, provided that it can be. coded memorized analyzed reduced to a series of logical steps
4 A computer drives its basic strength from speed accuracy memory all of above
5 A computer can be defined as an electronic device that can (choose the most precise definition) carry out arithmetic operation carry out logical operation do complicated calculation accept or process data by implementing sequentially a set of stored instructions
6 Following devices are used in simplex mode Radio Television a , b Multiplexers
7 The ___________ is the physical path over which a message travels. Single Double Protocol Medium
8 The encoding scheme of data represent as EBCDIC code ASCII code Unicode All of the above
9 Communication between a computer and keyboard involes __________ transmission. Half duplex Full-duplex Simplex Automatic
10 Which of the following cable is comprised of two separate insulated copper wires that are twisted? Fiber optics Twisted pair wire coax Submarine
11 All of the following are Guided Communication media except Fiber-Optic Cable Wire Cable Coaxial Cable Satellite-based , Microwave communication
12 Data is transmitted character by character in Synchronous mode Asynchronous mode Remote communication Satellite mode
13 The voice channel has a bandwidth of 0 - 2 KHz 0 - 4 KHz 5 - 10 KHz 10 - 20 KHz
14 Microwave and Communication Satellite are example of Guided Un-guided Simplex Router
15 Data us transmitted block by block in Asynchronous mode Synchronous mode Communication mode Satellite mode
16 Analog signal is measured in Volts Pulses Hertz WATTS
17 An arrangement in which data is transmitted in both directions at a time is called Simplex Full duplex Half duplex Multi-duplex
18 To send data, instruction and information you need a Sending device Receiving device Channel device Communication signal
19 A set raw, unprocessed facts, figures and symbols is called Information Data Instruction Code
20 Frequency is measured in Channels Hertz Bandwidth Baud
21 Data transmission speed of wire pair is 9600 bps 9500 bps 3600 bps 3500 bps
22 Internal modem is connected to DCE cable RJ 45 cable RS 232 serial port DTE cable
23 Coaxial and fiber cables are examples of media Guided Router Un-guided Simplex
24 Word is 16 bits is 65536 64526 32526 34526
25 The transfer of data from one place to another is called Data processing Data distribution Data communication Data encryption
26 A search engine is A software to search for engines A device search for motor engine A website that sells products and services A website that look through databases for matching criteria
27 Transmit data in the form of light is called Fiber glass UTP Color glass None
28 The most common protocol used in WAN is Ethernet X.25 IEEE ISO
29 SNA is an example of De Jure Protocol De Facto Protocol Network organization None
30 The business conducted with the help of computer network is called E-commercial E-commerce E-comunication Nothing
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