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 special Program that can detect and remove viruses from computer is called Virus Antivirus Groupware Custom
2 A Program that interferes with the normal working of a computer is called Virus Antivirus Freeware Bacteria
3 Computer virus is simply a A disease Set of computer instructions or codes Type of bacteria Hardware component
4 Who is responsible of security of online data? User LAN Administrator Internet Service Provider Organization obtaining the data
5 Security protection for personal computers includes Internal components Locks and cables Software All of these
6 Which of the following is an example of a good password? Name of a partner or spouse Name of a child or set Word related to a job or hobby Combination of letters, numbers and symbols
7 The secret word or number used for protection is called Biometric data Backup Password Private words
8 Which of the following is the most damaging loss to a company? Loss of hardware Loss of data Loss of software Loss of printouts
9 Which of the following is not a biometric technique? Badge Retina Palm print Face
10 Which of the following Is a biometric technique for person Identification? Access card Password Fingerprint PIN
11 Which of the following is an authentication methodology? Access cards Biometrics PIN Piracv
12 The restricted access to the server computer room is a form of Logical security Enterprise security Physical security User security
13 Protecting computers and the information they contain against unwanted access damage modification or destruction is called Computer monitoring Electronic policing Audit control Computer Security
14 The external devices that are connected to a computer are called Buses Registers Peripherals Slots
15 The circuit board on which processor and other chips are mounted Is called Master board Main board Motherboard All
16 A set of Parallel electrical lines used to transfer data is called Monitor Computer clock I/O unit Bus
17 Flies not being used by computer are stored in Secondary storage Cache memory Primary storage Registers
18 Which memory Is used to Increase the processing speed of computer? RAM ROM Cache memory SRAM
19 _________ memories can be rewritten by using electrical devices PROM ROM EEPROM EPROM
20 _______ is a type of ROM PROM EPROM EEPROM All
21 ROM is Read Only Memory Non-volatile Volatile Both (al and (b)
22 __________ chips must be refreshed with electric charge periodically SRAM ROM EEPROM DRAM
23 Is non-volatile memory RAM DRAM ROM SRAM
24 RAM is a Read Only memory Permanent memory Volatile memory None
25 The address of instruction under the processor execution is contained within Program Counter Current Instruction Register Memory Address Register Memory Buffer Register
26 CPU is an example of Software A proaram Hardware An output unit
27 The cells of memory are logically organized into group of 4-bits 5-bits 7-bits 8-bits
28 CPU includes all of the following components except Main memory ALU Control unit Registers
29 ________ Is the component of CPU Main memory Bus interconnection ALU I/O unit
30 Which component of computer Is responsible for comparison of two numbers? ALU Control unit Memory Hard disk
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