Friday 26 September 2014

comp knowledge part 1



Question 1
__________________Is a program which reproduces itself  
A
a) Virus
B
b) Software
C
c) Both
D
d) None of the above
Question 2



_____________ Viruses that aim at the boot sector of a hard drive are infecting a verycrucial component of the boot process
A
a) File infection virus
B
b) Boot virus
C
c) Network virus
D
d) E-mail virus

Question 3
____________Is the virus that they will attach themselves to EXE files, compressedfiles like ZIP files and driver files
A
a) File infector virus
B
b) Boot virus
C
c) Network virus
D
d) E-mail virus
Question 4



 -__________ Is the virus, which is uniquely created to quickly spread throughoutthe local area network
A
a) File infector virus
B
b) Boot virus
C
c) Network virus
D
d) E-mail virus

Question 5
Which of the following are the main purposes of an operating system
A
a) To provide an environment for a computer user to execute programs on a computer hardware in a convenient and efficient manner
B
b) To allocate separate resources of the computer as needed to solve the problem given
C
c) Supervision of the executions of user programs to prevent errors and improper use of computer
D
d) All of the above
Question 6



Define acronym ‘spooling’
A
a) Simultaneous Peripheral Operation On-line
B
b) Simultaneous Peripheral Operation Off-line
C
c) Simultaneous Peripheral Organization On-line
D
d) System Peripheral Operation On-line

Question 7
Several programs are in a memory concurrently; the system switchesamong the programs for efficient processing and minimal idle time iscalled _____________
A
a) Multi tasking
B
b) Multi programming
C
c) Multi functioning
D
d) None of the above
Question 8



 ____________  Is the using scheduling and multiprogramming to provide aneconomical interactive system of two or more users
A
a) Time sharing
B
b) Time changing
C
c) Processing
D
d) None of the above

Question 9
_______________   Is a system with two or more central processing units
A
a) No definition
B
b) Multi processor
C
c) Double processor
D
d) None of the above
Question 10



 __________    Is the system where fast response is desirable, but not required
A
a) Real time systems
B
b) Time sharing systems
C
c) Both (a) and (b)
D
d) None of the above

Question 11
 ______________  Is the system where processing must be completed with in certaintime constraints appropriate for the system
A
a) Real time systems
B
b) Time sharing systems
C
c) Both (a) and (b)
D
d) None of the above
Question 12



 ___________  Is the smallest block that can be read or written on a disk 
A
a) Sector
B
b) Track
C
c) Disk
D
d) None of the above

Question 13
 ______________  Is the collection of sectors all as same circumference on a singlesurface 
A
a) Track
B
b) Sector
C
c) Disk
D
d) None of the above
Question 14



_______________________ Is the time interval when a process uses Central Processing Unitonly 
A
a) CPU burst
B
b) I/O burst
C
c) (a) And (b)
D
d) Either (a) or (b)

Question 15
______________  Is the time interval when a process uses I/O devices only 
A
a) CPU burst
B
b) I/O burst
C
c) (a) And (b)
D
d) Either (a) or (b)




Question 16
____________ Is the precise set of instructions that describes how to perform aspecific tasks 
A
a) Algorithm
B
b) Graph
C
c) Pie chart
D
d) None of the above
Question 17



Which of the following is a programming language 
A
a) MS-Word
B
b) C++
C
c) Access
D
d) Power point

Question 18
_____________ Is the process of writing the programs is commonly called 
A
a) Software
B
b) Coding
C
c) Debugging
D
d) None of the above
Question 19



__________ Is the special program that converts programming languageInstructions into machine level instructions 
A
a) Modem
B
b) Central Processing Unit
C
c) Compiler
D
d) None of the above

Question 20
After the program has been complied, the resulting set of instructions iscalled 
A
a) Final result
B
b) Information
C
c) Executable code
D
d) Source code
Questio 21



Which of the following is presentation application software 
A
a) MS-Power point
B
b) MS-Word
C
c) MS-Excel
D
d) MS-Access

Question 22
___________Is a specific combination of a microprocessor family and anoperating system  
A
a) Platform
B
b) Operating system
C
c) Central Processing Unit
D
d) None of the above
Question 23



__________Platform comprises a windows operating system and an intel orintel compatible microprocessor 
A
a) Wintel
B
b) Macintosh
C
c) Normal platform
D
d) Java platform

Question 24
Application software is 
A
a) System specific
B
b) User specific
C
c) Platform specific
D
d) None of the above
Question 25



An operating system runs multiple applications simultaneously knownas
A
a) Multitasking
B
b) Multiprogramming
C
c) Programming
D
d) None of the above

Question 26
Which of the following language use interpreter 
A
a) C++
B
b) COBOL
C
c) BASIC
D
d) All of the above
Questio27



____________ Is a database program that stores information that can bemanipulated, stored and filtered to meet your specific needs 
A
a) Access
B
b) Power point
C
c) Excel
D
d) None of the above

Question 28
---- Creates multimedia presentations to display information in agraphical format 
A
a) Access
B
b) Power point
C
c) Excel
D
d) None of the above
Question 29



_____________ Allows you develop spreadsheets that display data in varioustabular and visual formats 
A
a) Access
B
b) Power point
C
c) Excel
D
d) None of the above

Question 30
FORTRAN is 
A
a) Formula translation
B
b) Formula generation
C
c) Format generation
D
d) Format translation






Question 31
A disk’s content that is recorded at the time of manufacture and that cannot be changed or erased by the user is— 
A
(A) read-only
B
(B) memory-only
C
(C) run-only
D
(D) write-only
E
(E) None of these
Questio32



In an information system, alphanumeric data normally takes the form of— 
A
(A) Sentences and paragraphs
B
(B) Numbers and alphabetical characters
C
(C) Graphic shapes and figures
D
(D) Human voice and other sounds
E
(E) None of these

Question 33
A Website’s main page is called its— 
A
(A) home page
B
(B) browser page
C
(C) search place
D
(D) bookmark
E
(E) None of these
Questio34



When installing ………, the user must copy and usually decompress program files from a CDROM or other medium to the hard disk. 
A
(A) programming software
B
(B) system hardware
C
(C) applications hardware
D
(D) applications software
E
(E) None of these

Question 35
A collection of interrelated files in a computer is a— 
A
(A) file manager
B
(B) field
C
(C) record
D
(D) database
E
(E) None of these
Questio36



A _____________ computer is a large and expensive computer capable of simultaneously processing data for hundreds or thousands of users.  
A
(A) server
B
(B) mainframe
C
(C) desktop
D
(D) tablet
E
(E) None of these

Questio37
Various applications and documents are represented on the Windows desktop by— 
A
(A) Symbols
B
(B) Labels
C
(C) Graphs
D
(D) Icons
E
(E) None of these
Questio38



What is usually used for displaying information at public places ? 
A
(A) Monitors
B
(B) Overhead Projections
C
(C) Monitors and Overhead Projections
D
(D) Touch Screen Kiosks
E
(E) None of these

Questio 39
Collecting personal information and effectively posing as another individual is known as the crime of— 
A
(A) spooling
B
(B) dentity theft
C
(C) spoofing
D
(D) hacking
E
(E) None of these
Questio40



The first step in the transaction processing cycle is— 
A
(A) database operations
B
(B) audit
C
(C) data entry
D
(D) user inquiry
E
(E) None of these

Question 41
In the information systems concept, the output function involves— 
A
(A) Capturing and assembling elements that enter the system to be processed
B
(B) Transformation processes that convert input into output
C
(C) Transferring elements that have been produced by a transformation process to their ultimate destination
D
(D) Monitoring and evaluating feedback to determine whether a system is moving toward the achievement of its goal
E
(E) None of these

Question 42
The primary function of the ________ is to set up the hardware and load andstart an operating system.
A
(a) System Programs
B
(b) BIOS
C
(c) CPU
D
(d) Memory
Questio 43



The clock rate of a Processor Measured in ___________
A
(a) Milliseconds
B
(b) Megahertz or Gigahertz
C
(c) Megabytes or Gigabytes
D
(d) None of the above

Question44
Spooling helps because 
A
(a) It is more secure method of accessing data
B
(b) Print jobs go more smoothly with less stop and go
C
(c) The computer is released to do other things while still printing
D
(d) None of the above
Question 45



When creating a computer program, the_______  designs the structure of theprogram
A
(a) End user
B
(b) System Analyst
C
(c) Programmer
D
(d) All of the above

Question46
Checking the computer program for errors is called
A
(a) Correcting
B
(b) Verification
C
(c) Debugging
D
(d) Inspecting
Questi47



__________  Is an artificial language designed to communicate instructions to acomputer
A
(a) Programming language
B
(b) Machine language
C
(c) Software language
D
(d) None of the above

Question48
Machine language sometimes also referred as the ______
A
(a) Binary language
B
(b) High level language
C
(c) Middle level language
D
(d) None of the above
Question49



_________ Is a language, instead of using numbers, programmers began usingEnglish like abbreviations (Mnemonics) to represent the elementaryoperations.
A
(a) Machine language
B
(b) Mnemonics language
C
(c) Assembly level language
D
(d) None of the above

Questio50
BASIC stands for ________
A
(a) Beginners All Purpose Symbolic Instruction Code
B
(b) Beginners All Symbolic Instruction Code
C
(c) Beginners All Purpose Systematic Instruction Code
D
(d) Beginners All Programs Symbolic Instruction Code
Question51



COBOL is an acronym for ___________
A
(a) Common Business Oriented Language
B
(b) Computer Business Oriented Language
C
(c) Common Business Operated Language
D
(d) Common Business Organized Language

Question 52
The program that comprises the _________ are called system software
A
(a) Operating System
B
(b) Application Software
C
(c) Development Software
D
(d) None of the above
Question 53



A bit can hold the value ----- 
A
(a) 1 byte
B
(b) 8 bits
C
(c) 0 or 1
D
(d) None of the above
Question 54



When was the first CPU introduced (first Microprocessor the Intel4004) 
A
(a) 1961
B
(b) 1971
C
(c) 1981
D
(d) 1991

Question 55
Which is of the following is NOT part of a computer chip’s job?
A
(a) Performing mathematical operations
B
(b) Moving data from one memory location to another
C
(c) Starting up the computer
D
(d) Storing the data

Question 56
 _____________ First takes in the entire program, checks errors, complies andexecutes it 
A
(a) Assembler
B
(b) Interpreter
C
(c) Loader
D
(d) Complier
Quest57



___________  Takes one line, checks it for errors and then executes it
A
(a) Assembler
B
(b) Interpreter
C
(c) Loader
D
(d) Complier

Question 58
What kind of memory is both static and non-volatile? 
A
(a) RAM
B
(b) ROM
C
(c) BIOS
D
(d) CACHE
Que59



Where does most data go first with in a computer memory hierarchy? 
A
(a) RAM
B
(b) ROM
C
(c) BIOS
D
(d) CACHE

Question 60
The path that data travels between two computers is NOT called a 
A
(a) Communication channel
B
(b) Communication link
C
(c) Communication bridge
D
(d) None of the above
Question 61



A modem us used to____________ 
A
(a) Change incoming analog signals to digital signals and outgoingdigital signals to analog signals
B
(b) Connect two computers using telephone lines
C
(c) Both (a) and (b)
D
(d) None of the above

Question 62
To move a copy of file from one computer to another over acommunication channel is called. 
A
(a) File transfer
B
(b) File encryption
C
(c) File modification
D
(d) None of the above
Question 63



LAN stands for 
A
(a) Local Area Network
B
(b) Local And Network
C
(c) Language Area Network
D
(d) Limited Area Network

Question 64
Match the following 
A
(a) LAN (1) No entry restriction and No geographical limitation
B
(b) WAN (2) Entry is restricted and limited to geographical area
C
(c) MAN (3) Entry is restricted and No geographical limitation
Question 65



 An airline reservation network would most likely to be in a --- topology(a) Star(b) Bus(c) Ring(d) Mesh
A
(a) Star
B
(b) Bus
C
(c) Ring
D
(d) Mesh

Question 66
WAN stands for 
A
(a) Wide Area Network
B
(b) Work Area Network
C
(c) Wide And Network
D
(d) Wash Area Network
Question67



_____________  Is simply consists of one or more attributes that determine otherattributes 
A
a) Lock
B
b) Database
C
c) Key
D
d) None of the above
Question 68



Be unique is the characteristic of the ____________ key 
A
a) Primary
B
b) Secondary
C
c) Foreign
D
d) Candidate

Question 69
A unique key can uniquely identify each______________ in a table 
A
a) Field
B
b) Row
C
c) File
D
d)Database



Question 70
__________Is a database that treats all of its data as a collection of relations 
A
a) Relational database
B
b) Rational database
C
c) (a) And (b)
D
d) None of the above
Question 71



EEPROM stands for 
A
a) Electrically Erasable Programmable Read Only Memory
B
b) Electrically Erasable Programmable Run Only Memory
C
c) Electrically Efficiently Programmed Read Only Memory
D
d) Efficiently Erasable Programmable Read Only Memory

Question 72
_________ Generation computers are very big in size with less memory 
A
a) Third Generation
B
b) Fourth Generation
C
c) First Generation
D
d) Fifth Generation
Question 73



EBCDIC stands for 
A
a) Extended Binary Cut Decimal Interchange Code
B
b) Extended Binary Coded Dedicated Interchange Code
C
c) Extended Binary Coded Decimal Inner Code
D
d) Extended Binary Coded Decimal Interchange Code

Question 74
Computer can do everything except 
A
a) Processing
B
b) Storing
C
c) Analyzing
D
d) Own decisions
Questi75



---- Is a data model in which the data is organized into a tree likeStructure 
A
a) Hierarchical database model
B
b) Sequential model
C
c) Dimensional model
D
d) None of the above

Question 76
SQL stands for 
A
a) Structured Quest Language
B
b) System Query Language
C
c) Structured Query Language
D
d) Standard Query Language
Question 77



 _______ Is the most widely used medium for telecommunications 
A
a) Twisted Pair
B
b) Coaxial Cable
C
c) Optical Fiber
D
d) None of the above

Question 78
___________ Is widely used medium of communication for cable television systems 
A
a) Twisted Pair
B
b) Coaxial Cable
C
c) Optical fiber
D
d) None of the above
Question 79



______________ Cable consists of one or more filaments of glass fiber wrapped inprotective layers that carries data by means of pulses of light 
A
a) Twisted Pair
B
b) Coaxial Cable
C
c) Optical fiber
D
d) None of the above

Question 80
__________ Is a computer network used for communications among computersand different information technological devices close to one person 
A
a) Personal Area Network
B
b) Local Area Network
C
c) Metropolitan Area Network
D
d) Wide Area Network