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 The circuit board on which Processor and other chips are mounted is called: Master board Main board Motherboard All
2 A set of parallel electrical lines used to transfer data is called: Monitor Computer clock I/O unit Bus
3 Files not being used by computer are stored in: Secondary storage Cache Primary storage Register
4 Which memory is used to increase the processing speed of computer: RAM ROM Cache SRAM
5 _____ memory can be rewritten by using electrical devices: PROM ROM EEPROM EPROM
6 _______ is a type of ROM: PROM EPROM EEPROM All
7 ROM is: Read only memory Non-volatile memory Volatile memory Both A and B
8 ____ is non-volatile memory: RAM DRAM ROM SRAM
9 RAM is a: Read only memory Permanent memory Volatile memory None
10 The address of instruction under the processor execution is contained within: Program counter Current instruction register Memory address register Memory buffer register
11 Cells of memory are logically organized into group of: 4-bits 5-bits 7-bits 8-bits
12 CPU includes all of the following components except: Main memory Control unit ALU Register
13 ___ is the component of CPU: Main memory Bus interconnection ALU I/O unit
14 Which component is responsible for comparison of two numbers? ALU Control unit Memory Hard disk
15 Which component of computer coordinates with all activities in the computer? ALU Control unit Bus interconnection Register
16 Which is a storage device: CPU Clock Floppy disk Output unit
17 CPU is an example of: Software Input unit Hardware Output unit
18 Which component of CPU is responsible for performing arithmetic and logical operations on numeric data? ALU Control unit Register None
19 The program that contains instruction to operate a device is called: Device driver Device operator Device link Device system
20 A computer drives its basic strength from: Speed Memory Accuracy All
21 The component of computer that stored data and program while these are being executed is called: Bus interconnection Register CPU I/O unit
22 The component of computer that stored data and program while these are being executed is called: Main memory Control unit Bus interconnection ALU
23 Which component of a computer decodes and executes program constructions: Main memory Control Unit Bus interconnection ALU
24 Which one is the brain of computer: RAM CPU Motherboard System unit
25 The idea of stored program was given by: Charles Babbage John Leitbiz John Von Neumann Pascal
26 A set instructions that run the computer is: Hardware Document CPU Software
27 Data and programs that are not in used by computer are stored in: Secondary storage Cache Primary storage Printer
28 The fly-by-wire system is used in: Medical field Airline Education field Car
29 Which of the following i not included in document management system? Word-processing Desktop publishing Reprographics E-shopping
30 Which of the following is related to business Marketing Stock exchanges Banks All
Download This Set

Is this page helpful?