1. Who is called as Father of Computers?
Ans: Charles Babbage
2. The first Digital Computer introduced was named as?
Ans: Mark-I
3. How many generations computer can be classified?
Ans: 5
4. First Generation Computers contain?
Ans: Vacuum Tubes
5. II Generation Computers are made of?
Ans: Transistors
6. IV Generation Computers contain?
Ans: LSI
7. Vth Generation Computers are based on?
Ans: Artificial Intelligence
8. Computers combine both measuring and counting, is called?
Ans: Hybrid
9. In word today most of the computers ate?
Ans: Digital
10. In any computer installation how many elements consist?
Ans: 3
11. Physical structure of computer is called?
Ans: Hardware
12. CPU stands for?
Ans: Central Processing Unit
13. In which type of computer data are represented as discrete signals?
Ans: Digital computer
14. Which of the following is available in the form a PC now?
Ans: Microcomputer
15. PARAM is an example of?
Ans: Super computer
16. Who developed the analytical engine?
Ans: Charles Babbage
17. GUI stands for?
Ans: Graphical User Interface
18. The time taken by CPU to retrieve and interpret the instruction to be executed is called as?
Ans: Instruction cycle
19. Which of the following is responsible for all types of calculations?
Ans: ALU
20. Which of the following is permanent memory?
Ans: ROM
21. The metal or plastic case that holds all the physical parts of the computer is the?
Ans: System Unit
22. CD-ROM stands for?
Ans: Compact Disk Read Only Memory
23. ALU Stand for?
Ans: Arithmetic Logic Unit
24. VGA Stand for?
Ans: Video Graphics Array
25. IBM 1401 is?
Ans: Second Generation Computer
26. MSI stands for?
Ans: Medium Scale Integrated Circuits
27. WAN stands?
Ans: Wide Area Network
28. MICR stands for?
Ans: Magnetic Ink Character Reader
29. One byte consists of?
Ans: eight bits
30. EEPROM stand for?
Ans: Electrically Erasable Programmable Read Only Memory
31. Which of the following is a way to access secondary memory?
Ans: Random access memory
32. UNIVAC Stand for?
Ans: Universal Automatic Computer
33. The brain of any computer system is?
Ans: CPU
34. To rage capacity of magnetic disk depends on?
Ans: disk pack in disk surface
35. The two kinds of main memory are?
Ans: ROM and RAM
36. A storage area used to store data to a Compensate for the difference in speed at which the different units can handle data is?
Ans: Buffer
37. Computer is free from tiresome and boardroom We call it?
Ans: Diligence
38. Which type of computers uses the 8-bit code called EBCDIC?
Ans: Mainframe computers
39. The ALU of a computer responds to the commands coming from?
Ans: Control section
40. Chief component of first generation computer was?
Ans: Vacuum Tubes and Valves”
41. To produce high quality graphics (hardcopy) in color you would want to use a/n?
Ans: Plotter
42. One millisecond is?
Ans: 1000th of a seconds
43. The output quality of a printer is measured by?
Ans: Dot per inch
44. Which of the following was a special purpose computer?
Ans: ABC
45. Which of the following storage devices can store maximum amount of data?
Ans: Hard Disk
46. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
Ans: ENIAC
47. physical connection between the microprocessor memory and other parts of the microcomputer is known as?
Ans: Address bus
48. High density double sided floppy disks could store pf data?
Ans: 44 MB
**49. A high quality CAD system uses the following for printing drawing and graphs?Ans: Digital plotter
50. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately?
Ans: 16 digits
51. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of this board?
Ans: Motherboard
52. A technique used by codes to convert an analog signal into a digital bit stream is known as?
Ans: Pulse code modulation
53. Regarding a VDU, Which statement is more correct?
Ans: It is a peripheral device
54. A modern electronic computer is a machine that is meant for?
Ans: Input, storage, manipulation and outputting of data
55. When was vacuum tube invented?
Ans: 1906
56. Computer with 80286 Microprocessor is?
Ans: AT computers
57. The digital computer was developed primarily in?
Ans: USA
58. Software in computer?
Ans: Enhances the capabilities of the hardware machine
59. The arranging of data in a logical sequence is called?
Ans: Sorting
60. What is the responsibility of the logical unit in the CPU of a computer?
Ans: To compare numbers
61. Abacus was the first?
Ans: mechanical calculator
62. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be?
Ans: 65,536
63. Instructions and memory address are represented by?
Ans: Binary codes
64. The terminal device that functions as a cash register, computer terminal, and OCR reader is the?
Ans: POS
65. A set of flip flops integrated together is called?
Ans: Register
66. Which is used for manufacturing chips?
Ans: Semiconductors
67. The first computer introduced in Nepal was?
Ans: IBM 1401
68. Mnemonic a memory trick is used in which of the following language?
Ans: Assembly language
69. Which was the most popular first generation computer?
Ans: IBM 650
**70. A set of information defines the status of resources allocated to a process is?Ans: Process description
71. Each set of Napier’s bones consisted of rods?
Ans: 11
72. BCD Stand for?
Ans: Binary Coded Decimal
**73. When was the world’s first laptop computer introduced in the market and by whom?Ans: Epson,1981.
74. From which generation operating systems were developed?
Ans: Third generation
75. The first firm to mass-market a microcomputer as a personal computer was?
Ans: Radio
76. How many address lines are needed to address each machine location in a 2048×4 memory chip?
Ans: 11
77. Properly arranged data is called?
Ans: Information
78. John Napier invented Logarithm in?
Ans: 1614
79. An integrated circuit is?
Ans: Fabricated on a tiny silicon chip
80. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
Ans: Bus arbitration
**81. Whereas a computer mouse moves over the table surface, the trackball is?Ans: Stationary
82. Which of the following is used as a primary storage device?
Ans: Magnetic drum
83. Multi user system provided cost savings for small business because they use a single processing unit to link several?
Ans: Dumb terminals
**84. The word processing task associated with changing the appearance of a document is?Formatting
85. When was Pascal invented?
Ans: 1642
86. What is required when more than one person uses a central computer at the same time?
Ans: Terminal
87. The term gigabyte refers to?
Ans: 1024 megabytes
88. In which year was UK’s premier computing event started?
Ans: 1980
89. What is the date when Babbage conceived Analytical engine?
Ans: 1837
**90. What was the expected feature of fifth generation computers when Japan started FGCS?Parallel Processing
91. Which of the following memory medium is not used as main memory?
Ans: Magnetic tape
92. Computer operators?
Ans: operate the device which input and output data from the computer
93. Computers are also called personal computers?
Ans: Micro Computers
94. Which of the following is machine independence program?
Ans: geigh level language
95. When was the first electro-mechanical computer developed?
Ans: 1944
96. Analog computer works on the supply of?
Ans: Continuous electrical pulses
97. The BIOS is the abbreviation of?
Ans: Basic Input Output System
98. Most of the first generation computers were?
Ans: Special purpose computers
99. The output quality of a printer is measured by?
Ans: Dot per sq. inch
100. On a PC, how much memory is available to application software?
Ans: 640 KB
101. In a Computer is capable to store single binary bit?
Ans: Flip flop
102. What does DMA stand for?
Ans: Direct Memory Access
103. Operating system, editors, and debuggers comes under?
Ans: System Software
104. What is the name of the display feature that highlights are of the screen which requires operator attention?
Ans: Reverse video
105. Which is the largest computer?
Ans: Mainframe Computer
106. The personal computer industry was started by?
Ans: IBM
107. What is meant by a dedicated computer?
Ans: Which is assigned one and only one task
108. Registers, which are partially visible to users and used to hold conditional, are known as?
Ans: General purpose register
109. Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as?
Ans: Flags
110. An approach that permits the computer to work on several programs instead of one is?
Ans: Over lapped processing
111. Who suggested Stored Program Concept?
Ans: John Neumann
112. The central processing unit (CPU) consists of?
Ans: Control unit, arithmetic-logic unit and primary storage
113. The notable features like keyboards, monitors, GUI were developed in?
Ans: Third generation
114. Who is credited with the idea of using punch cards to control patterns in a waving machine?
Ans: Jacquard
115. What is an interpreter?
Ans: An Interpreter is the representation of the system being designed
116. RJ45 UTP cable has Cables?
Ans: 4 pair
117. Which of the following is not a valid size of a Floppy Disk?
Ans: 5%
118. The earliest calculating devices are?
Ans: Abacus
119. Word length of a Personal Computer is?
Ans: 8 bits
120. A directly accessible appointment calendar is a feature of a resident package?
Ans: Memory
121. Which unit converts computer data into human readable form?
Ans: Output unit
122. What produces useful information out of data?
Ans: Processing
123. Which device is used to input data into a computer?
Ans: Keyboard
124. What is the primary function of an operating system?
Ans: Resource management
125. Which of the following is a volatile memory?
Ans: RAM
126. What does URL stand for?
Ans: Uniform Resource Locator
127. Which generation of computers introduced microprocessors?
Ans: Fourth generation
128. What is the smallest unit of data in a computer?
Ans: Bit
129. Which of the following is an example of an output device?
Ans: Monitor
130. What does HTTP stand for?
Ans: HyperText Transfer Protocol
131. Which component of a CPU performs arithmetic and logical operations?
Ans: ALU
132. What is the function of a motherboard?
Ans: Connects all computer components
133. Which of the following is a type of software?
Ans: Application software
134. What does LAN stand for?
Ans: Local Area Network
135. Which device is used to store data permanently?
Ans: Hard Disk
136. What is the purpose of a firewall?
Ans: Network security
137. Which of the following is a programming language?
Ans: Python
138. What does CPU clock speed measure?
Ans: Processing speed
139. Which memory is used to store the BIOS?
Ans: ROM
140. What is the main function of a router?
Ans: Direct data traffic
141. Which of the following is an example of a spreadsheet software?
Ans: Microsoft Excel
142. What does GPU stand for?
Ans: Graphics Processing Unit
143. Which technology is used in modern touchscreens?
Ans: Capacitive
144. What is the purpose of a UPS?
Ans: Power backup
145. Which of the following is a type of printer?
Ans: Inkjet
146. What does SSD stand for?
Ans: Solid State Drive
147. Which component is responsible for cooling a CPU?
Ans: Heat sink
148. What is the primary use of a barcode scanner?
Ans: Data input
149. What is the full form of ENIAC?
Ans: Electronic Numerical Integrator and Computer
150. Which company developed the first commercially successful personal computer?
Ans: IBM
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