Computer Hardware Questions Digestकंप्यूटर हार्डवेयर सवालों डाइजेस्ट

Here are nearly 300 Questions on Computer Hardware: 

1. Where would you find the letters QUERTY?
Keyboard

2. How did the computer mouse get its name?
It's cable looks like a tail

3. What are you most likely to use when playing?
Joystick

4. A digitising tablet can be used for?
Tracing diagrams

5. Which of the following is a pointing device
Touch screen used for computer input.

6. What does a light pen contain?
Light sensitive elements

7. What would be the best way to move around a 3D environment?
Use a space mouse

8. What input device can be used for marking
Optical mark reader

9. What input device could tell you the price of
Bar code reader

10. Where would you find a magnetic strip?
Credit card

11. Hard copy is a term used to describe...?
Printed output

12. What do the abbreviations VAB stand for?
Voice answer back

13. What are the individual dots which make up a picture on the monitor screen called?
Pixels

14. A daisy wheel is a type of...?
Printer

15. Factory production lines can be automated using...?
VDUs

16. An impact printer creates characters by using...?
An inked ribbon and print head

17. What would you NOT use with a flatbed plotter?
Paper

18. What would be the best way to move around a 3D environment?
Robots

19. What do you need for an ink jet printer? 
A cartridge

20. A laser printer does NOT use? 
A photoconductive drum

21. The amount of data that a disk may containis known as the disk's...?
Storage capacity

22. You can protect a floppy disk.
Write

23. Information on a hard disk is usually backed-up using a..? 
CD-ROM

24. Magnetic storage devices can represent binary 0 by the absence of...?  
Magnetic tape

25. Magnetic tape is a..?
Serial access medium

26.  Hard disks can have a storage capacity in the region of...? 
1Gb 

27.  Formatting a disk results in all the data being...?
Deleted from the disk

28. Which storage device has the largest capacity in Mb's? 
(2)    A CD-ROM

29.Which storage device cannot beerased?
A floppy disk

30. Where should floppy disks be stored?
In a drawer

31. Who is accredited with developing the architecture of the modern computer?
John Von Neumann

32. Which bus carries information between processors and peripherals? 
Data bus

33. Which bus controls the sequencing of read/write operations?
Control bus

34.  The contents of these chips are lost when the computer is switched off? 
RAM chips

35.  What are responsible for storing permanent data and instructions?
ROM chips 

36.  Which parts of the computer perform arithmetic calculations? 
ALU

37.  What are small high speed memory units used for storing temporary results?
CPUs 

38.  What maintains the status of the last operation carried out by the ALU?
Accumulator

39.  How many bits of information can each memory cell in a computer chip hold? 
8 bits

40. What type of computer chips are said to be volatile? 
RAM chips

41. An example of an embedded system is ...?
A calculator

42. Which computers use single chip processors?
Personal computers 

43. Travel agents use this computer system when reserving flights.
Personal computer 

44. Which computers are used in the weather forecasting industry? 
Super computers

45. Which computers are connected to many terminals and can multitask? 
Personal computers running MS-DOS

46. Vacuum tube based electronic computers are...? 
First generation

47. Which generation of computer was developed from microchips? 
Third generation

48. Which generation of computer uses more than one microprocessor?
Fifth generation

49. Which generation of computer developed using integrated circuits?
Thirtl generation

50. Which of these is actually a very basic computer? 
a calculator

51.  Imagine that a user has a WORD document open at a workstation and that workstation is unexpectedly disconnected from the school network and from the Internet. 
Where should the user BEST save her work?     
H drive

52. Computer memory that temporarily stores information is called the ____.
RAM

53. The brain of the computer is called the _____. 
CPU 

54.  The operating system is also called the ______ between the user and the computer.
interface

55. When installing a peripheral you also usually need to install a _____ .   
driver

56. Computers use which of the following number systems to store information? 
base 2 

57.  A single binary digit is known as
bit 

58.  Internet     Safety     relates to__________. 
only those who sign up for chat rooms

59. A file name extension for Word 2007 files is ___. 
.docx

60. A KB represents____bytes
1,000

61.  How many Bytes in a Megabyte (MB)? 
1,024,000

63. What does ALU stand for? 
Arithmetic Logic Unit

64.  How many pins on a standard DDR RAM Dimm?             
184

65. Which Platform(s) can aPentium III Processor beused in?
Socket 370 / Socket mPGA 370 / Slot 1

67.  If a computer is constantly rebooting itself, what is most commonly the problem?   
Insufficient Power-Supply Unit

68. What does the company name 'AMD' stand for? 
Advanced Micro Devices

69. How many pins does Ethernetuse in the RJ-45 Connection?
4

70. What does SSE stand for inIntel's SSE Technology?
Streaming Simmd Extensions
  
73. Which does NOT belong to a Intel Pentium 4 Platform?
DDRSDRAM

75.  What Video Card is Best Suited for 3D Games?   
ATI Radeon 9700 Pro

76.What platform does the AMDK6 3+ Processor Belong to?
Socket7

77.  What platform can the VIA/Cyri III Processor Be used in jut c the following?
Slot 1

78.  What motherboard manu facturer is the most popular out of the following? 
Asus

79.  What is the BEST ram solution for   the    Intel    Pentium 4 Processor? 
SDRAM

80.  How did the SHIFT key get it's name?
From the Latin word for large, Shiftius, which v as the first language ever used on acomouter.
 
81.  If an 8-bit integer has a maximum of 256 possible values, what is the highest possible value of a 16 bit integer? 
65535

82. What does BASIC stand for?  
Beginner's All-purpose Symbolic Instruction Code

83. What does ASCII stand for?    '
American Standard Code for Information Interchange

84. The access method used for magnetic tape is_____
Sequential 

85.  By .Processing we   understand ____ 
Processing string of only words

86. The difference between memory and storage is that the memory is ___ and storage is ____
Temporary, permanent

87. Which of the Following holds the ROM, CPU, RAM and expansion cards "
Mother board

88. The language that the computer can understand and execute is called ____
Machine language

89. Which of the following devices can be used to directly input printed text
MICR

90. A floppy disk contains 
Both circular tracks and sectors

91. CD-ROM is a
Memory register

92. Actual execution of instructions in a computer takes place in , 
Control Unit

93.  Which of the following is used as a primary storage device
Magnetic tape

94. Information retrieval is faster from 
Hard disk

95. Operating system is
A collection of software routines

96.  Operating system
Link a program with the subroutines it references

97.  Execution of two or more programs by a single CPU is known as:
None of these

98.  Modem stands for Modulator demodulator
Modulator demodulator

99. Typical data transfer ra te in LAN are of the order of 
Kilo bits per sec

100. Ethernet uses
Bus topology

101. Wide area networks (WANs) always require
High bandwidth communication source link

102. Typical bandwidth of optical fibers is 
All of the above

103. A large number of computers in a wide geographical area can be efficiently connected by
Communications satellites

104. Which of the following topologiesis not of broadcast type?
None of these

105. Bug means    
A logical error in a program

106.The part of machine level instruction, which tells the central processor what was to be Done is
Operand

107. Indicate which , of the following is not true about 4GL. 
4GL does not support a high -level of screen interaction

108. Indicate which of the following, best describes the term "software"
Both (1) and (2)

109. A translator is best described as
An Application software

110. Indicate which of the following is not true about an interpreter
Interpreter analyses each source statement every
time it is to be executed

111. The errors that can be pointed out by the compiler are
Syntax errors 

112. Cis    
A third generation high level language

113. A   graph   preapared   by   a computer
is the piece of information to use

114. Which of the following does not represent on I/O device 
ALU

115. The    communication     line between the CPU, memory and peripherals is called a 
Bus

116. Memories which can be read only are called..............memories
ROM 

117. Example  of  non-numerical data is 
Employee address 

118. One thousand byte;   opresenta
Kilobyte

119. The language that the computer .  can understand and execute is called
Machine language

120. A step by step procedure used to solve a problem is 
called
Algorithm

121. Which of the following holds the ROM, CPU, RAM and expansion cards
Mother board

122. The errors that can be pointed out by the compiler are
Syntax errors

123. A computer cannot "boot" if it does not have the 
Operating system

124. WAN hardware includes
Multiplexors and routers

125.Third generation computers
None of these

126. A Winchester disk is a
Disk stack

127. A computer can be defined as an electronic device that 
accept and process data using a set of stored instructions

128. The Central Processing Unit:
controls all input, output and processing.

129.Computer follows a simple princi
ple called GIGO which 
means: 
(
1)    garbage in garbage out
(2)    garbage input good output
(3)    great instructio
ns great output
(4)    good input good output.
(5)    None of these
130. The term 'baud' is a measure of the: 
speed at which data travels over the communication line

131. A bootstrap is:
a small initialisation program to start up a computer

132.Which of the following is not hardware:
Assembler

133. Pick out the wrong definition : 
Access time-time needed to access the output

134. Terminal is a:
point at which data enters or leaves the computer

135. Multiple choice examination answer sheets can be evaluated automically by
Optical Mark Reader

136. An operating system
consists of programs that help in the operation of computer.

137. Which of the following would cause quickest acess
direct access from a harddisk 

138. The process of retaining data for future use is called 
storing 

139. A file is corrected immediately after the input of a trans-action.This is an example of
on-line updating

140. Magnetic tapes are good storage media for
backup and high volume data

141.Which of the following is a computercode 
EBCDIC

142. Data is generally coded in 8-bit units, such a unit is also called 
byte

143. Half adder is logic CKT that adds. .........Digit at a time
Two

147. In 1st Complement a number which is Subtracted from other number is known as..........
minuend

148. In a 2nd Complement a number which is subtracted from other number is known as...........
Subtrahend

149. In 2nd Complement a number which is subtracted from other number is known as.............
Minuend

156...........Are used for converting one type of number system in to other form.
Encoder

157.......... Are used for converting one type of number system in to the other form 
Decoder

158. Multiplexer means.................
many in to one

159. Multiplexers is also known as. 
mux

160. ASCII code isa......... bit code.
9

162.The    decimal    number    is converted in to excess 3 codes by adding, to each decimal digit.
3

163.110+110=............
2

164.12+12=...........
1

165.The digital system usually operated on.........system.
binary

166. The binary system use powers of..........for positional values.
2

167. After counting 0, 1, 10, 11,'the next binary number is
100

170. In logic algebra, variables can assume only two values:either..........or
0 

171. A logic gate is an electronic circuit which
makes logic decisions 

172. In positive logic, logic gate 1 corresponds to
higher voltage level

173. In negative logic, the logic state 1 corresponds to
lower voltage level

175. An X-OR gate produces an output only when it's two inputs are
different

176. An AND gate
is equivalent to a series switching circuit

178. The only function of a NOT gate is to
invert an input signal

179. A NOR gate is ON only when all it's inputs are
OFF

181.Karnaugh map (K-map) technique provides a systematic method for simplifying ———
Boolean expressions

184. A octal is group of ——1's
8

187. A Register is a group of ——
Flip-flops

192.The   First   Microprocessor was ______
Intel 4004

193.8085 was introduced in ___
1976

194. In 1978 Intel introduced the 16 bit Microprocessor 8086 now called as_____
APX80

195.Which is a 8 bit Microprocessor ______
Motorala MC-6801

196. Pentium-l, Pentium-ll, Pentium III and Pentium-IV are recently introduced microprocessor by______
Intel

197. The address bus flow in ____
unidirection k

198. Status register is also called as _______
flags

203. The First electronic computer was completed in ___ . 
1946

204. The First Generation of computer appeared during the period __ .
1945 to 1954

205.The Second Generation of computers used ___ 
Transistors

206. The fourth Generation began in________
1965

207. ____is used .to create Large program on internet
Java script

208.The Device which converts instructions into the binary form that  is  understood  by  the computer and supply to the computer is known as___.
Input

209. Laptop PCs are also known as ___Computers
Notebook

210. The symbol is used to indicate a point at which decision has to be made __ .
decision

211 . Windows 98 is ____________
Operating System

212. A common topology to any network is _ __ topology
Star

213. A flip flop has ____ stable status
Three

214. Flip flop is also called as _____
bistable

215. The number system that we use in our day to day life is called the Number System __ . 
Decimal
 
216.The    Binary    system    has base ___ .
2

217. The Octal Number system has base ______
8

218. The Decimal Number system has base ___ .
10

219.The   Hexadecimal   Number system has base_.
16

225. Hexadecimal number system has ..... symbols.
16
 
226.Octal number system has .....symbols.
8

227. Binary number system has ..... symbols.
2

228. Decimal n/mber system has ..... symljfls. 
10

237. The binary equivalent of (64)10 ,     is :
1000000

238. The two kinds of main memory are:
ROM and RAM

239.Which of the following will happen when data is entered into a memory location?
It will erase the previous content

240. A storage area used to store data to   a   compensate  for   the difference in speed at which the different units can handle data is
Buffer

241. To locate a data item for storage is
Fetch

242.Time during which a job is processed by the computer is
Execution time

243.A directly accessible appointment calendar is feature of a ... resident package 
Memory

244. The term gigabyte refers to
1 024 megabytes

245. Which of the following processors use RISC technology?
PowerPC

247. The two major types of computer chips are
Both 2 and 3

248. As compared to the secondary memory, the primary memory of a computer is
Fast

249. Which of the following is a way to access secondary memory?
Random access memory .

250. Which of the following memories allows simultaneous read and write operations?
RAM

251. Which of the following memories has the shortest access times?
Cache memory

253. A set.of information that defines the status of resources allocated to a process is
Process description

254.Any method for controlling access to or use of memory is known
Memory protection

255. A type of core store that has a lower access time than the de-vices used for working store in   the   same   processor   is known as 
Address register

257. A disk storage medium in the form of an assembly contain-ing a single rigid magnetic disk permanently is
Disk cartridge

258. A memory that is capable of determining whether a given da-tum is contained in one of its address is
CAM

259. A method of implementing a memory management system is
Buddy system

260. A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is
Punched paper tape

261. The use of spooler programs and/or .........Hardware allows personal computer operators to do the processing work at the same time a printing operation is in progress 
Buffer

262.Which chips using special ex-ternal equipment can reprogram
PROM

263. Interface electronic circuit is used to interconnect I/O de-vices to a computer's CPU or 
Memory

264. Which term is used to describe RAM?
All of the above

265. Which is the type of memory for information that does not change on your computer?  
ROM

266. A typical personal computer used for business purposes would have... of RAM. 
256 K

267.Which computer memory is used for storing programs and data currently being processed by the CPU?
Internal memory

268.Which of the following is a sec-ond ary memory device?
Disk

269. The difference between memory and storage is that memory is ......and storage is...
Temporary, permanent

270. Which of the following regis-ters is used to keep track of address of the memory location where the next instruc-tion is located?
Program counter

271. How many'address lines are needed to address each memory location in a 2048 x 4 memory chip? 
11

272.The     memory     which     is pro-grammed at the time it is manufactured
POM

273. Registers, which are partially visible to users and used to hold conditional, are known as
General purpose register

274. The two basic types of record access methods are:
Sequential and random

275.Which    of    the    following memo-ries needs refresh?
DRAM

276. Access time is
seek time + latency time

277. Seek time is
time to position the head over proper track

278.A name or number used to identify a storage location devices? 
An address

279. Which of the following regis-ters is loaded with the con-tents of the memory location pointed by the PC?
Instruction register

280. Codes consisting of bars or lines of varying widths or lengths that are computer-readable are known as—
a bar code

281. A __ represents approximately one billion memory location.
gigabyte

282. In a database ___ fields store numbers   used  to perform calculation.
Numeric

283. A (n)_ is a program that makes the computer easier to use.
Utility

284. Storage that retains its data after the power is turned off is referred to as
non-volatile storage

285. Which of the following is the largest unit of storage ?
GB

286. The person contributing the idea of the stored program was
John Neumann
 
287. Which of the following refers to the memory in your computer?
RAM