1) What term is given to memory internal to a CPU? cache
2) Which processor uses a 66MGz bus? Celeron 300MHz
3) Task Switching is done through : by generating internal interrupts
4) Use of Windows can be done on 386 AT and above Machines.
5) Which of the following commands would be placed in a CONFIG.SYS file? àDEVICE=C:\DOS\HIMEM.SYS
6) A flashing “X” means the system cannot: Find either the system or finder files
7) Buffers are used to: Allocate space in memory reserved for file and data transfer
What is the order of execution for the startup files? à Config.sys then Autoexec.Bat
9) The ATTRIB command is used to: Change or display a file attributes
10) Head parking zone is one of the following cylinderàInnermost cylinder
11) Hard drives permit the user to share: many programs and documents at same time
12) Which of the following describes Formatting? It erases any previous data store, it writes the sector ID fields and other information necessary for synchronization
13) How is SCSI numbers prioritized? 0=highest or 0=highest
14) The system interrupt level used for FDD data transfer is àIRQ 6
15) If ur formatted diskette can store 720 KBàDouble sided, Double density 3 1/2″
16) The main advantage of raster scan over vector scan is àthe electronic circuit required for vector scanning is complex and costly.
17) If you had a monitor which displayed 640 X 480 in 16 colors, you would have which of the graphics driver? à VGA
18) Which of these devices are designed for an AGP slot? àVideo card
19) The main advantage of giving phosphorous coating to monitor screen is àpersistence
20) The vertical sync rate is always faster than the horizontal sync rate in monitors. (false)
21) The most popular protocol used in Internet the TCP/IP stands for? à Transmission Control Protocol / Internet Protocol
22) As network administrator, you have configured the workstations to run TCP/IP. In order to make IP address management easier, what would you implement to allow TCP/IP clients to automatically receive configuration parameters? à DHCP
23) At what layer of the OSI model are the most consistent and complete levels of agreement found among network manufacturers? àPhysical layer
24) Which of the following TCP/IP protocols is a simple remote terminal emulation application, allowing one host to connect to and run a session on another? à Telnet
25) What does IPX stand for? à Internetwork Packet Exchange
26) RJ-11 modular connectors are used in which of the following? à Token Ring
27) Windows near the location of a PC should have a curtain for what reason? àSunlight hitting the case of the computer can contribute to heat build-up
28) What is the difference between sag and a brownout? àSag typically is less than few milliseconds and a brownout lasts a prolonged period.
29) What is the purpose of shadowing? à Copy instructions in ROM to RAM for faster execution.
30) A large document causes memory overflow errors on your laser printer. Which of the following are possible fixes? à Add more RAM to the printer, Decrease the print resolution.
31) The region of RAM containing the same software as ROM is called àShadow RAM
32) VRAM is an acronym for: à Video Random Access Memory
33) SRAM is faster than DRAM àtrue
34) How is static Ram different from Dynamic Ram? àStatic ram chips do not require a refresh signal to maintain their electrical state.
35) Which of the following are technologies used in keyboard operation? à Switches, Capacitors
36) A keyboard uses which microcontroller? à IC 8048
37) To add mouse driver for Microsoft Mouse to the CONFIG.SYS file, the command syntax used is àDEVICE=C:\MOUSE\MOUSE.SYS
38) In a keyboard, the 20 millisecond wait period for ensuring the key depress is called as àDebouncing time
39) The feedback voltage to the PWM section of an SMPS is à +5V
40) The light in the room flickers and the computer suddenly reboots by itself. What did occur? à Power Surge
41) When replacing a power supply what must you observe à Wattage
42) The voltage levels of SMPS used by an FDD are à +5V & +12V
43) The output of PWM section of an SMPS is driven by à Driver transistors, driver transformer (in order).
44) How is the LCD powered on a laptop? à Low voltage DC
45) A Serial port can be recognized by à
46) The data and control cables are separate in the following interface. à ST506
47) Parallel Data Communication follows the à Centronics Standard
48) Data is transmitted from the parallel port in which of the following manner? àOne byte is transmitted simultaneously as eight bits. One bits is sent on each wire
49) A full duplex Modem allows à Transmitting and receiving data simultaneously
50) What is the command to reset a modem? à ATZ
51) Which of the following sources presents a risk factor for virus infection on a PC? à Shareware, Authorised user S/W, Maintenance personnel
52) Viruses can infect a System’s à removable disks and harddisk
53) How does a dot matrix printer actually print on paper? à Pins
54) The Photosensitive drum in a laser printer is exposed to laser light for which of the following reasons? à The organic coating on the drum loses its ability to hold and electrical charge when exposed to light
55) A disadvantage of thermal printers is à Special heat sensitive paper is required
56) SET parameters are available to increase the number of directory cache buffers. àTrue
57) Which of the following is the newest type of printer interface? à USB
58) In a Laser Printer, toner is transferred to the print media by which of the following parts? à Corona Wire
59) The system Interrupts used by parallel ports are à IRQ 5, IRQ 7
60) You replace your CMOS battery. What must you do next? à Set the date and time
61) Where can you find your computer’s BIOS version ID? à In CMOS set-up program
62) When the motherboard battery becomes dysfunctional what is first affected? à CMOS
63) What is the first step of POST? à Reset the CPU and program counter F0000
64) EISA has à 32 bit bus architecture
65) ISA supports 32 bit data and 32 bit address. à False
66) PCI bus architecture supports Plug-and-Play technology. à True
67) The color of the light source on a black & white or grayscale scanner is an important consideration when buying a new scanner. à True
68) You have installed a scanner and an expansion card on a 16bit machine which of the following IRQ’s is most likely to be available? à 10
69) Which of the following interfaces is best suited for receiving input from a scanner? à The SCSI port
70) The number of address bits of 80286 are: à 24
71) A customer reports that the computer freezes after the initial memory count, so CMOS cannot be accessed. What part of the problem should you arrive with? à CPU
72) Pentium is built on which architecture? à Superscalar CISC
73) “Bad command or file name” error message is given by the system due to àDOS is not recognizing the command you entered at the DOS command prompt
74) Invalid Partition table is an error message which is stored in à MBR