Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. A………..is a device that not only providessurge protection, but also furnishes your computer with battery backup power during a power outage.
a. surge strip
b. USB
c. UPS
d. battery strip
e. None of these
Q. ……….this is the act of copying or downloading a program from a network and making multiple copies of it.
a. Network piracy
b. Plagiarism
c. Software p racy
d. Site-license piracy
e. None of these
Q. When installing………the user must copy and usually decompress program files from a CDROM or other medium to the hard disk.
a. programming software
b. system hardware
c. applications hardware
d. applications software
e. None of these
Q. Which one of the following would be considered as a way that a computer virus can enter a computer system?
a. Opening an application previously installed on the computer
b. Borrowed an illegal copy of software
c. Viewing a website without causing any additional transactions
d. Running antivirus programs
e. None of these
Q. You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first :
a. cable sequence
b. jumpers on the hard drive
c. drivers that need to be loaded
d. hard drive manufacturer web site information
e. None of these
Q. What’s the best way to protect your hard drive data?
a. regular backups
b. periodically defrag it
c. run chkdsk at least once a week
d. run scandisk at least once a week
e. run a regular diagnostic
Q. Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers?
a. lines per inch
b. lines per sheet
c. characters per inch
d. characters per second
e. None of these
Q. A modem could be attached to which port?
a. Parallel port
b. ASYNC port
c. Keyboard connector
d. Video port
e. None of these
Q. You get a CMOS checksum error during bootup. What is most likely the cause?
a. power supply is bad
b. BIOS needs updating
c. CMOS battery is nearing end of life
d. hard drive types are incorrectly defined
e. None of these
Q. What are the four key functions of a computer system?
a. input, processing, output, and storage
b. keyboard, display, memory, and disk drive
c. word processing, spreadsheets, database, calculations
d. bits, bytes, words, and OSI
e. None of these
Q. Parity is :
a. a byte stored in the FAT to indicated remaining slots
b. the optimal transmission speed of data over a CAT 5 cable
c. an extra bit stored with data in RAM that is used to check for errors when the data is read back
d. the optimal transmission speed of data over a CAT 5 cable
e. None of these
Q. What is different between AT and ATX power supplies?
a. They are identical except for their shape.
b. AT supplies use a single P1 power connector while ATX uses P8 and P9
c. AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector.
d. AT power supplies run on 120V AC current while ATX uses 220V AC
e. None of these
Q. What type of connector is used to plug a telephone line into a modem?
a. COM1
b. RJ-11
c. RJ-45
d. RJ-10
e. None of these
Q. Which of the following is NOT a type ofcomputer hard drive?
a. IDE
b. FDD
c. SCSI
d. EIDE
e. SATA
Q. What does FDISK do?
a. performs low-level formatting of the hard drive
b. fixes bad sectors on the hard drive
c. recovers lost clusters on the hard drive
d. creates partitions on the hard drive
e. None of these