Pectaa class 8 computer important mcqs pdf free download

1) An operator which is used to assign a value to a variable is called:

2) occurs when the programmer does not follow programming languages rules.

3) Worm can make a computer slow by using its:

4) Which of the following used to access different work sheets in a workbook?

5) A sheet with a grid of columns and rows is called:

6) The horizontal rows in Excel screen are identified by :

7) In flowchart which symbol uses only one flow line?

8) Some widely used antivirus programs are:

9) The internet is an example of:

10) Short key is used to apply SAVE command in GWBASIC?

11) Which device is used to send messages, data or information to other devices?

12) The program designed to detect and remove infected files:

14) is an expansion card that enables a computer to connect to a network.

15) The common types of operators are:

16) Often connect multiple smaller networks:

17) Computers do not understand:

18) A sheet tab appears at the of Excel window.

19) Short key for cut action:

20) Which symbols has at least two lines coming out?

21) Short key for paste action:

22) Which symbol is used to represent a process in the flow chart?

23) A computer network is interconnection of two or more:

24) Which symbol is used for two purposes in a flow chart?

25) A large computer network which extends to a city or to a metropolitan region is called:

26) By default, a work book contains:

27) User can share hardware and software using a:

28) Functions adds all the numbers that user specifies as arguments:

30) Radio communication that offers communication services to thousands of cell phone users around the globe is:

31) Which is not a kind of antivirus program?

32) Combination of symbols and operators that represents a value:

33) WAN stands for:

34) is the result which is obtained by processing the input data.

35) A series of instructions for the computer to follow is called:

36) Which of the following displays the reference of the active cell?

37) Examples of computer worm:

38) Which of the following may be on a screen presented to the user during the installation process?

39) Which symbol is used for ‘not equal to’ in BASIC?

40) Which of the following is not the type of a virus?

41) Which tool helps the user in problem solving?

42) Receives messages, data or information from a sending device:

43) Which of the following is the unauthorized use of computer, network and its resources?

44) Form of wireless communication for long distances is:

45) Identifies the location of a cell or group of cells in a worksheet:

46) Command is used to clear the contents of the screen:

47) By default, text is aligned:

48) Each cell may contains:

49) Which programming language allows us to program the computer in a relatively simple way?

50) Which symbol is used for multiplication in BASIC?

51) Electronic worksheet used to organize, manipulate and graph numeric or non-numeric details:

52) A problem statement has elements:

53) In WAN, “W” stands for:

54) Which of the following program runs in the background all the time and informs the user when some malware is detected?

55) A diamond symbol in a flow chart represents:

56) MAN stands for:

57) Most commonly used spreadsheet program is:

58) Which of the following is the fastest transmission media?

59) In a network, a powerful computer is called a:

60) Hackers can steal:

61) Command is used to execute of the program:

63) Symbols that indicate the type of operation to be performed on the data .

64) Which of the following operators are used to perform comparisons on two values?

65) In a flow chart, a rectangular box is:

66) Which is the most popular transmission media for transferring data on a computer network?

67) Which is a powerful computer that facilitates the whole network by providing variety of services to the computer or devices connected to the network?

68) Which is used to make programs?

69) Which are outlines around the cells:

70) Which of the following tell the antivirus software to recognize viruses while scanning a computer?

71) Chart is used to show comparisons between items of data:

72) Intersection of rows and columns is called:

73) The goal of is to get the desired result in a short and perfect manner:

74) These errors occur due to wrong use of formula or providing wrong value to a variables.

75) Fiber Optic Cable uses threads to transmit data:

76) Which of the following is up graduation of already installed antivirus software?

77) User can also edit data by pressing:

78) Which is the priority that is followed while applying operators in an expression?

79) Twisted Pair Cable is especially used in:

80) The data is transferred from one place to another through:

81) LAN stands for:

82) The graphical representation of data entered in a worksheet:

83) Displays the contents of the active cell:

84) Which of the following network is confined to a relatively small area?

85) Which of the following process helps to protect a computer from different computer security threats?

86) Data can be entered or edited in the of the Excel sheet.

87) Direction finding system uses satellites to determine precise locations on the surface of the earth:

88) The position of the cell in the Excel sheet is called its:

89) AVG is antivirus software developed by AVG technologies, a private Czech company formerly known as:

90) A person involved in hacking is called a :

91) Give meaningful names to constants:

92) How many elements a problem has?

93) Which of the following is a file created by Excel spreadsheet application?

94) Wireless technology for exchanging data between different devices over short distances is called:

95) A very large computer network covering a large geographic area, such as a province, country or the whole world is called:

96) The first step in solving a problem is:

97) The data transfer rate is the highest of:

98) A website that is set up to spread a virus or for some other unethical purpose is called:

99) is a type of wire that consists of a center wire surrounded by insulation and then a grounded shield of braided wire.

100) Programming languages are used to prepare computers:

101) Which of the following provides Internet security for the Windows, Linux and Max OS X?

102) A spreadsheet can be used for:

103) Programming languages are divided into two groups: high level languages and languages.

104) Physical transmission media transmits data through a:

105) GWBASIC statements and commands are executed as they are entered:

106) It is a table that displays data in column and rows:

107) A formula starts with a particular symbol, such as:

108) A Flow chart is read from:

109) A Dial up MODEM is:

110) Generally in cells, dates are aligned:

111) The communication device for internet communication is:

112) Which antivirus offers effective security to the computer from attacks?

113) Variables are also divided into two types:

114) Excel displays the name of the workbook used currently:

115) BASIC can operate in:

116) A is an obstacle, hurdle, difficulty or challenge, or any situation that needs to be removed or solved.

117) Chart is in the form of a circle with lines drawn out from the center:

118) Mostly appears in the form of a pop-up:

119) Which of the following enables a computer to connect to a network?

120) The vertical columns in Excel screen are identified with:

121) Gives access to frequently used commands:

122) Networks are connected by:

123) Less powerful computer relies on servers for resources, such as flies, devices and even processing power.

124) Which is the problem solving activity?

125) Which involves entering, editing and formatting data?

126) A dollar symbol at the end of a variable name indicates that it can store only a .

128) String variables can store:

129) Which are used for communication between the computers and the other devices?

130) A programming language that is nearer to computer hardware is called:

131) Which of the following is a malicious program that replicates and spread independently and harms the computers?

132) Which of the following contains the information about malware which can be used to identify security threats?

133) Intentionally created program to destroy programs and data:

134) Computer security threats:

135) Arrow heads with flow line show:

136) Instructions to perform a calculation:

137) Which of the following is a communication device?

138) The most common and well known computer security threat:

139) Output is also called:

140) Which symbol is used for input/output purposes in a flow chart ?

141) Which symbol is used to show decision process in the flow chart?

142) Virus can damage:

143) Security measures for computers security threats consist of:

144) Which of the following is a program that detects, prevents and takes actions to deactivate or remove malicious program?

145) What is the name of the problem statement element that we give to the computer as raw material to solve the problem?

146) GPS stands for:

147) Interconnection of two or more computer systems located in a same room, building or at different places is called:

148) What is the solution to a problem called?

149) Constants are of types.

150) Flow charting use standardized sets of:

151) Quantities whose values cannot be changed during program execution or running are called:

152) Which does not appear as a symbol in a flow chart?