MCQ's For Computer/EC/IT -5



201. How many megabytes are there in  1 GB:
a.     2012
b.     1024
c.      1008
d.     1214
Ans: B

202. Which of the following is not an input device:
a.     Touch screen
b.     Plotter
c.      Light pen
d.     Joystick
Ans: B

203. CU stands for
a.     Central unit
b.     Closed unit
c.      Control unit
d.     Compressed unit
Ans: C

204. Which of the following is a secondary storage device;
a.     ALU
b.     CU
c.      Optical disk
d.     CPU
Ans: C

205. RAM stands for:
a.     Read Accessed and Maintain
b.     Readable access memory
c.      Random only memory
d.     Random Access memory
Ans: D

206. CMOS stands for :
a.     Complex metal oxide semiconductor
b.     Complete metal oxide semiconductor
c.      Complementary metal oxide semiconductor
d.     None of the above
Ans: C

 207. Modem stands for:
a.     Modulator and demodulator
b.     Mounting and demounting
c.      Module and demodule
d.     None of the above
Ans: A

208. DIMM stands for :
a.     Digital inline memory module
b.     Double inline memory module
c.      Dual inline memory module
d.     None of the above
Ans; C

209.  what is the capacity of 3.5” double sided high density floppy disk drive.
a.     1.2 MB
b.      1.44 MB
c.      720 KB
d.     1.44 KB
Ans: B

210.  What is the maximum color depth of an SVGA Monitor
a.     256 colors
b.     1024 colors
c.      64 k colors
d.     16 million colors
Ans: D

211. How many pins a ps/2 connector will have:
a.     5
b.     6
c.      9
d.     15
Ans: B

212.  Universal Serial Bus is a serial type of connector
a.     true
b.     False
Ans: A

213. Which of the following is a port address  for serial port COM1
a.     3F0 – 3F7
b.     320 – 3FX
c.      3F8 – 3FF
d.     2F8 – 3FF
Ans: C

214.  How many devices a USB port can support?
a.     32
b.     9
c.      27
d.     127
e.      None of the above
Ans: D
215. The first physical sector in any bootable hard disk contains which of the following?
a.     File structure
b.     Data structure
c.      MBR
d.     LBR
e.      Both a and b
Ans: C
216.  What is the command syntax for  assigning "Hidden" attribute to file c:\jetking?
a.     attrib +r c:\jetking
b.     attrib +h c:\jetking
c.       attrib -r c:\jetking
d.     attrib -h c:\jetking
Ans: B
217.  Which processor has first combined the L2 system cache inside the processor CPU package?
a.     80486
b.     Pentium
c.      Pentium pro
d.     Pentium III
Ans: C
218. RS-232 is a standard that applies to:
a.     serial ports
b.     parallel ports
c.      game ports
d.     networks
e.      digital frequencies
Ans: a
219. Com ports use: (select all that apply)
a.     14 pin female connector
b.     25 pin male connector
c.      edge connector
d.     parallel connector
e.      9 pin female connector
Ans: b and e
220. In modems that support more than 300 baud, baud and bps do not mean the same thing.
a.     true
b.    false
Ans: a
221. ISDN stands for:
a.     Internal select data null
b.     Integrated service digital network
c.      Integrated set digital network
d.     Interior service digital network
Ans: B
222. You have a scanner connected to your computer configured to use com3. It is turned on. Your modem is using com1, and you can't dial out. What is the most likely problem?
a.     everything should work OK
b.     You have an I/O conflict
c.      You have an IRQ conflict
d.     You have a loose connection
Ans: C
223.  What is the I/O address for COM1 port ?
a.     3f8
b.     3e8
c.      3bc
d.     5f8
e.      008
Ans: A
224.  What is the I/O address for COM2 port?
a.     3f8
b.     2f8
c.      3e8
d.     2e8
e.      007
Ans: B
225. Before sending a data a modem send a request to send a signal which is called as RTS.
a.     True
b.     False
Ans: A
226. ISDN uses  ________technology.
a.     only digital
b.     Anolog and digital
c.      Only anolog
d.     Neither digital nor analog
Ans: A
227.  A COM port is a _________port
a.     Parallel
b.     Serial
c.      USB
d.     SCSI
e.      Static
Ans: B
228.  Modem uses ___________transmission.
a.     Synchronous
b.     Asynchronous
c.      Static
d.     Time interval
Ans: B
229.  The technology used in CDROM is________
a.     Static
b.     Magnetic
c.      Laser
d.     Electronic
e.      Electrical
Ans: C
230. Which of the following can cause the CDROM to misread (multiple choice)
a.     finger prints
b.     scratches
c.      cracks
d.     slight melting
e.      None of the above
Ans: A, B, C, and D
231.  In the back panel of CDROM drives the connectors available for:
a.     Molex
b.     Berg
c.      Data cable
d.     Audio cable
e.      Arcnet
Ans: A, C and D
232. If a computer’s bios allows it, you can boot your system from a CDROM
a.     true
b.     false
Ans: A
233. Your CDROM drive is attached to the primary IDE cable with hard drive. How should its jumper be set?
a.     As a master
b.     As a slave
c.      Autodetect
d.     None
Ans: B
234.  The letter x in CDROM express its______
a.     quality
b.     speed
c.      appearance
d.     resolution
Ans: B
235. The X letter in CDROM is equivalent to:
a.     1 MB per second
b.     100 bytes per second
c.      150 KB per second
d.     186 bits per second
Ans: C
236. SCSI adapters usually don't need drivers, just the devices that interface with them.
a.     True
b.     False
Ans: B
237. IDE cables have how many pins:
a.     25
b.     50
c.      35
d.     40
Ans: D
238. SCSI -2 cables have how many pins:
a.     40
b.     50
c.      60
d.     72
Ans: B
239. You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?
a.     As a master
b.     As a secondary
c.      As a slave
d.     As a primary
e.      As a autodetect
Ans: C
240. Your PC is continuously rebooting itself. Select all of the following that could be causing the problem.
a.     Bad PC power supply
b.     Faulty power at AC outlet
c.      Bad system board
d.     Defective adaptor card
e.      Corrupt operating system
Ans: A,B,C,D, and E
241.  What is the best way to protect your hard drive data?
a.     regular backups
b.     periodically defrag it
c.      run chkdsk at least once in a week
d.     run scandisk at least once in a week
Ans: A
 242.  Which of the followings are input devices?(select all that apply)
a.     Modem
b.     Mouse
c.      Keyboard
d.     SCSI controller
e.      Video cards
Ans: B and C
243. POST stand for:
a.     Positive Operating System Test
b.     Particle of static charger
c.      Power on Self Test
d.     Printer online Standard Test
Ans: C
244.  How many bits in a byte?
a.     8
b.     16
c.      32
d.     25
Ans: a
245. PCMCIA stands for personal computer memory card international association
a.     True
b.     False
Ans: A
246. DMA stands for:
a.     Direct Memory Association
b.     Data Memory Access
c.      Direct Memory Access
d.     Display Memory Association
Ans: C
247. Power connector on a floppy drive is called as:
a.     berg connector
b.     molex connector
c.      USB connector
d.     Mini-molex connector
e.      Hybrid connector
Ans: D
248. LPT stands for:
a.     Line Printer transfer
b.     Live printer terminal
c.      Line Printer Terminal
d.     Line Print Transfer
Ans: C
249. LPT port is of :
a.     25 pin female serial connector
b.     15 pin female serial connector
c.      25 pin female parallel connector
d.     15 pin male parallel connector
Ans: C
250. ISA comes in_______bit.(select any two)
a.     8
b.     16
c.      32
d.     64
Ans: A and B