Join Us ::

Menu Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

Computer Science :: All Aptitude Test ::

Home » GAT Subject » Computer Science » Aptitude Test - 65
1.How is ink transferred to paper in common ink jet printers?
A. Boiling ink
B. Crystal
C. Motorized pump
D. Boiling ink
2.Which component must be vacuumed or replaced during preventative maintenance on a laser printer?
A. Scanning mirror
B. Toner cartridge
C. Ozone filter
D. Scanning mirror
3.Which controller would support an external CD-ROM drive?
A. ESDI
B. ARLL
C. MFM
D. ESDI
4.In inkjet printers, what is the most common problem with the paper tray?
A. inconsistent printing
B. malfunctioning pick-up rollers
C. misalignment of the sheet feeder
D. inconsistent printing
5.The DC voltage on most circuit boards is:
A. -12 volts
B. 0 volts
C. +5 volts
D. -12 volts
6.On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:
A. Platten bearings
B. Carriage rails
C. Printhead
D. Platten bearings
7.The buffers statement is found in what file?
A. Config.sys
B. Autoexec.ncf
C. Autoexec.bat
D. Config.sys
8.What configuration should a Volt-Ohm meter he set to when testing a fuse?
A. DC volts
B. AC volts
C. Amperage
D. DC volts
9.What voltage does a 586 system use?
A. +12 volts
B. + 5 volts
C. + 8 volts
D. +12 volts
10.What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?
A. Replacing the ribbon
B. Replacing the timing belt
C. Adjusting the paper feed tension
D. Replacing the ribbon
11.If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.
A. 20-Oct
B. 5-Jan
C. 50 - 110
D. 20-Oct
12.What are the most likely conditions for ESD?
A. Hot and dry
B. Hot and wet
C. Cold and dry
D. Hot and dry
13.What is the i/o address for com3?
A. 3.00E+08
B. 345
C. ff8
D. 3.00E+08
14.The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?
A. Start-up utility test
B. Power on Self Test
C. Power up boot process
D. Start-up utility test
15.In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.
A. Last 64k of conventional
B. Last 64k of extended
C. First 64k above conventional
D. Last 64k of conventional
16.COM1 is typically represented by which of the following?
A. 15 pin port
B. 9 pin male port
C. 9 pin female port
D. 15 pin port
17.A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
A. l0Mhz
B. 25Mhz
C. 50Mhz
D. l0Mhz
18.A capacitor is measured in which of the following units?
A. Volts
B. Ohms
C. Farads
D. Volts
19.Which device uses a DMA channel?
A. Modem
B. Network Card
C. Sound Card
D. Modem
20.Which REQUIRES an anti-static bag for transport?
A. Monitor
B. Floppy disks
C. Power supply
D. Monitor
21.Static electricity thrives is which type of environment?
A. cold and humid
B. warm and humid
C. warm and dry
D. cold and humid
22.ESD potential decreases with the use of:
A. De-ionizing fans
B. A wrist strap
C. Rubber gloves with matching cap
D. De-ionizing fans
23.With a dot matrix printer, light then dark print is most commonly caused by:
A. Erratic paper advancement
B. Erratic ribbon advancement
C. Misalligned print head
D. Erratic paper advancement
24.How many DMA channels are there in an AT class PC?
A. 3
B. 4
C. 7
D. 3
25.A wrist grounding strap contains which of the following:
A. Surge protector
B. Capacitor
C. Voltmeter
D. Surge protector
26.Every video card must have?
A. CMOS
B. RAM
C. CPU
D. CMOS
27.Which common bus specification provides the fastest data transfer rate?
A. VL bus
B. ISA
C. PCI
D. VL bus
28.Modems use transmission.
A. synchronous
B. asynchronous
C. timed interval
D. synchronous
29.A 6xx indicates a problem with the:
A. floppy drive
B. hard drive
C. keyboard
D. floppy drive
30.A sound card typically uses which IRQ?
A. 6
B. 5
C. 15
D. 6
Related Subjects

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers    
Our Team | Career | Contact | JoinUs | Privacy Policy | DMC

© 2020-2025 by Pak-MCQs.net All Rights Reserved.

Email: [email protected]