The following sequences shows the
hierarchy of data organization from top
level to the bottom. Which one of them is
correct?
a)field, character, record, file.
b)record, file, character, field,
c)file, record, character, field.
d)file, record, field, character.
Which of the following is not an
octal number ?
a)451.
b)880.
c)325.
d)162.
a) Which of the following is not a
decimal number ?
1001001
b) 67542
c) 79245
d) 2A1017
a)
A computer uses the 8-bit two's complement
representation to represent integers. The
smallest and largest integer the computer
can process are :
a)-8, 7.
b)-127, 127.
c)-256, 255.
d)-128, 127.
The main advantage of two's complement
representation over that of sign-andmagnitude representation is
a) With the same number of bits, two's
complement representation can represent a
wider range of integers.
b) With two's complement representation,
substractions can be performed by addition.
c) In two's complement representation, only
one bit pattern is used to represent the
integer 0.
d) Program designing can be simplified with the
use of two's complement representation
The two's complement of the bit
pattern 01101101 is :
a)11101101.
b)10010011.
c)10110110.
d)10010010.
The two's complement of the bit
pattern 01101010 is:
a)11101101.
b)10010011.
c)10010110.
d)10010010.
How many bytes of memory locations
are needed to store an English
character and a Chinese character
respectively?
a)one, one.
b)one, two.
c)two, two.
d)two, one.
The decimal number corresponding
to 0.01101(2) is
a)0.2031.
b)0.40625.
c)1.625.
d)0.8125.
The decimal number corresponding
to 0.11101(2) is
a)0.90625.
b)0.94025.
c)1.625.
d)0.8125.
0.90625
The decimal number corresponding
to 110.11011(2) is
a)7.2031.
b)0.90625.
c)11.625.
d)6.84375.
Which of the following binary
number is normalized?
a)11.110111.
b)1.1111011.
c)1.01101 × 10^-11.
d)0.10111 × 10^101.
The octal number corresponding to
110.11011(2) is
7.73(8)
b) 6.66(8)
c) 6.666(8)
d) 5.3333(8)
a)
The octal number corresponding to
11110.111011(2) is:
81.452(8)
b) 26.354(8)
c) 36.73(8)
d) 43.53(8)
a)
Arithmetic operations __________.
a) involve matching one data item to
another to determine if the first item is
greater than, equal to, or less than the
other item
b) include addition, subtraction,
multiplication, and division
c) use conditions with operators such as
AND, OR, and NOT
d) sort data items according to standard,
predefined criteria in ascending order
or descending order
Some manufacturers state access
times in nanoseconds; a nanosecond
(ns) is one __________ of a second
a)Billionth
b)Thousandth
c)Millionth
d)Hundredth
As a rule, a 1-__________ (million pixel)
digital camera is fine for screen displays
such as photo communities, Web pages,
and e-mail attachments
a)Kilopixel
b)Megapixel
c)Gigapixel
d)Millipixel
Displays with higher resolution use
a _________ image .
a) smaller number
rougher
b) smaller number
smoother
c) greater number
smoother
d) greater number
rougher
of pixels, providing a
of pixels, providing a
of pixels, providing a
of pixels, providing a
Manufacturers state video memory
in __________
a)Kilobytes
b)Megabytes
c)Gigabytes
d)Millibytes
__________ printers can print text
at speeds of up to 40 pages per
minute
a)Dot-matrix
b)Ink-jet
c)Laser
d)Thermal
Two commonly used audio output
devices are __________
a)printers and speakers
b)monitors and printers
c)headsets and monitors
d)speakers and headsets
Storage devices access items in
__________.
a)
Billionths of a second (nanoseconds)
b)
Thousandths of a second (milliseconds)
c)
Millionths of a second (megaseconds)
d)
Hundredths of a second (centiseconds)
What is a binary system?
a)
b)
c)
d)
A binary system is a two-state
numbering system consisting of 0
and 1.
Each 0 or 1 is called a bit (short for
binary digit).
Bits are combined into groups of
eight bits called bytes.
0 can be represented by electricity
being off and 1 by electricity being
on.
Select valid statement?
a) 8
b)8
c) 8
d)8
bits = 1 byte = 1 character
bytes = 1 bit = 1 character
bits = 1 byte = 8 characters
bytes = 1 bit = 8 characters
What is the highest binary number that
can be referred to on a three
position jumper block?
a)4
b)6
c)7
d)F
What is the highest binary number
that can be referred to on a four
position jumper block?
a)4
b)6
c)7
d)F
How may standard levels interrupts are
provided on the 8-bit ISA bus (XTclass computer)?
a)12
b)16
c)4
d)8
Serial ports are assigned interrupts to avoid
conflict between the ports. Which port(s)
should be assigned to IRQ4?
a)COM1
b)COM2
c)COM4
d)COM3
IRQ6 is typically reserved for:
a)The floppy
b)The keyboard controller
c)The modem
d)LPT2
The CPU or central processing unit of a
computer is organized into two
main units. The two units are the
control unit and the
a)Arithmetic unit
b)Logic unit
c)Arithmetic-logic unit
d)Data unit
What's the largest memory size if
the addres bus of the computer
system bus width is 3 bytes?
•
•
•
•
16
16
64
64
kilobytes.
megabytes.
kilobytes.
megabytes.
Random access memory is located in:
a)registers on the CPU.
b)a chip near the CPU.
c)bus lines on a
microprocessor.
d)magnetic devices external
to the computer.
What's the largest memory size if the
addres bus of the computer
system bus width is 3 bytes?
a)16 kilobytes.
b)16 megabytes.
c)64 kilobytes.
d)64 megabytes.
What's the decimal number the binary
number 00101011 represents?
a)11
b)31
c)65
d)43
A bit can represent how many different values?
a)1
b)2
c)4
d)3
Which of the following is NOT a type of
motherboard expansion slot?
a) ISA
b) PCI
c) AGP
d) ATX
Which of the following is NOT a
type of computer hard drive?
a) IDE
b) FDD
c) SCSI
d) EIDE
Which of the following retains the
information it's storing when the
power to the system is turned off?
a) CPU
b) ROM
c) RAM
d) DRAM
e) DIMM
How can you tell that a particular
ribbon cable should only be
used to connect a floppy drive?
a) it's white
b) it has a red line along
one edge
c) it's wider than all the
other ribbon cables
d) it has a twist in it
What is BIOS an acronym for?
a) bootstrap initial
operating system
b) basic input output
startup
c) boot initial
operating startup
d) basic input output
Which of the following is NOT a
type of RAM?
a) SIMM
b) DIMM
c) ROM
d) SLIPP
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
What type of connector is used to
plug a telephone line into a
modem?
a) COM1
b) RJ-45
c) RJ-11
d) RJ-10
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 power supplies run on 120V
AC current while ATX uses 220V
AC
d) AT supplies use P8 and P9
power connectors while ATX
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, and
contact management
d) read, write, calculate, and
surface is divided in concentric
circles called tracks, and each track
is divided into segments called
sectors. What is the name given to
the set of tracks that have the same
spatial position on all discs present
ina)the
hard
disk
drive?
Side
b) Face
c) Cylinder
d) Head
How many information bytes can
be stored in a sector?
a) 128
b) 256
c) 512
d) 1024
The hard disk drive capacity is
defined by its formatting pattern.
We call the hard disk drive
formatting pattern as:
a) FAT
b) VFAT
c) Cluster
d) Geometry
What is the maximum storage
capacity on FAT-16 system?
a) 504 MB
b) 2 GB
c) 8.4 GB
d) 10 GB
Where is stored the location of
the first cluster of a file?
a) Directory
b) FAT
c) VFAT
d) Inside the file itself
What happens if we install a
UDMA/133 hard disk drive using
a 40-wire flat-cable?
a) The computer doesn't turn on.
b) The hard disk drive isn't recognized
by the computer BIOS.
c) This installation isn't possible.
d) The hard disk drive will work with a
transfer rate lower than the
maximum rate it supports.
What is Serial ATA?
a) A hard disk drive
interface.
b) A new serial port
standard.
c) The transfering method
used on SCSI hard disk
What feature DOES NOT belong
to Serial ATA standard?
a) Serial transmission.
b) 4-wire cable.
c) 150 MB/s or 300 MB/s
transfer rates.
d) Master and Slave
configuration.
What does active partition
mean?
a) Single partition.
b) Partition with all the hard
disk drive capacity.
c) Partition with an operating
system installed.
d) Partition that will be used to
boot the operating system.
Which of the following is not an
input device?
a) Keyboard
b) Joystick
c) Microphone
d) Monitor
Approximately how many bytes
make one Megabyte
a) One Million
b) Ten Thousand
c) One Hundred
d) One Thousand
Which part is the "brain" of the
computer?
Monitor
b) CPU
c) RAM
d) ROM
a)
The capacity of your hard drive is
measured in
Gigabytes
b) MHz
c) Mbps
d) 52X
a)
How much information can a CD
(Compact Disk) usually store?
150 Mb
b) 650 Mb
c) 10 Mb
d) 1.4 Mb
a)
What is the permanent memory
built into your computer called?
CD-ROM
b) ROM
c) CPU
d) RAM
a)
Which device allows your computer to
talk to other computers over a
telephone line as well as access the
internet?
Hard Drive
b) Modem
c) CD-ROM drive
d) RAM
a)
How is access time measured on
SDRAM memories?
a)
b)
c)
d)
From what is marked on the
memory chip.
Thus a characteristic called
CL, Cas Latency.
By calculating the CPU clock.
By diving the CPU clock
period by what is marked on
the memory chip.
What is access time?
a)
b)
c)
d)
It is the time taken by the
memory to store or retrieve a
piece of data.
It is the number marked on all
memory chips.
It is the memory clock.
It is the transaction period
between the CPU and the
memory.
How RAM memory is accessed
by the CPU?
c)
Directly.
Thru the cache controller.
Thru the chipset (north
bridge) or the CPU,
depending on the CPU
model.
d)
Thru the south bridge chip
a)
b)
.
Question:The best
description of a port:
1.
2.
3.
4.
Module which stores data
Way for the peripheral to
connect to the computer
Station where bus on the
motherboard drop off data
Drawing utensil in the DTP
Question: Which of the following
statements are TRUE with regard
to Expansion cards?
1. Credit card used for
shopping
2. TV game cards
3. Separate boards containing
circuitry to control
peripherals
4. Card used to represent
Question:Which of the following are
ports?
COM, LPT, WAN
2. MAN, LAN , USB
3. COM, LPT, USB
4. BIOS, CMOS, LPT
1.
Question: The LPT port is the port
most frequently used to connect the
PC to the ...
CPU
2. Screen
3. Printer
4. Mouse
1.
Question: The hard drive is made up of ...
1.
2.
3.
Clusters, Track and
registers
Tracks, RAM and ROM
Platters, read-writte
heads and a single
access arm
Question: The speed of the hard
drive is determined by ...
1.
2.
3.
The program counter
containing the address of
the next introdution
The speed of the cache
memory
Access time of the video
card and data transfer rate
of the drive
Question: Which of the following
statements is TRUE with regard to
computer modules?
Easy to see and hold
2. Easy to change and
interchange
3. Are program
4. Are expensive
1.
Question:Which of the following
statements is TRUE?
1.
2.
3.
4.
The COM port is a parallel
port
The LPT port connect the
mouse to the CPU
The LPT is a serial port
The LPT port connects the
PC to a printer
Question:Which of the following
statements is NOT TRUE?
1.
2.
3.
4.
The USB port allows up to 127
devices to be chained into one port.
The keyboard plugs direct into the
motherboard
The printer plugs into the serial port
The AGP graphic card plugged into
a AGP port is faster than a graphic
card plugged into a PCI port
Question :Access time ...
1.
2.
3.
4.
Is influenced by the new INTEL AGP
card
Convert an address indicating the
physical position on the disk.
Is how long it takes to locate a
piece of information and make it
available to the computer for
processing.
Affects the computer capacity to
store data
Question: Circuit board that
provides additional capabilities for
a computer:
Adapter
2. Motherboard
3. Sound card
4. Video card
1.
Question: Device connected to and
controlled by a computer, but external to the
computers' central processing unit.
Motherboard
2. Peripheral device
3. Video card
4. Sound card
1.
Question: Large circuit board containing the
computer's central processing unit, microprocessor
chips, RAM and expansion slots is called the ...
Motherboard
2. Expantion card
3. Hard disk interface
4. Adapter
1.
Question: "The Pentum microprocessor has a 32bit architecture. The speed of the computer is
influenced by this architecture.'
Which of the following statements has the most
bearing on the statement?
1.
2.
3.
4.
The width of a register influences
speed
Defraging a system speed up a
computer
Large amounts of RAM speeds up a
computer
The RAM of video card influences
speed
Question:The speed of the hard
drive is determined by ...
1.
2.
3.
4.
The number of registers
that CPU has
Access time of the hard
drive and data transfer
rate of the the drive
The width of the data bus
The width of the address
Question:An organised collection of information on
a disk like a word-processor document or a
program, is referred to as a(n) ...
File
2. Kilobyte
3. Record
4. Address
1.
Question: Electronic standard for the
connection of a hard disk to a
computer:
Double speed drive
2. Hard disk interface
3. SCSI
4. Access time
1.
Question:Large capacity data storage medium for
computers, on which information is stored at
extremely high density in the form of tiny pits:
Optical disk
2. Floppy disk
3. Stiffy disk
4. Hard disk drive
1.
Question: Socket that enables a computer
processor to communicate with an external device:
Port
2. Register
3. Motheboard
4. Keyboard
1.
Question:A microprocessor is one type
of ultra-large-scale integrated ...
Circuit
2. Motherboard
3. Memory
4. Cache
1.
Question:On the motherboard (the)….... is
the temporary computer memory area in
which data can be stored
RAM
2. Expansion slot
3. ROM BIOS
4. Math-co processor
1.
Question:
The fastest of the memory types listed:
DRAM, EDO RAM, ROM, SRAM
DRAM
2. ROM
3. EDO RAM
4. SRAM
1.
Question: Stored in RAM when the
computer is switched off:
Programs
2. Data
3. BIOS
4. Nothing
1.
Question: Part of a system used to
store data and programs either
permanently or temporarily:
Port
2. Cache
3. Register
4. Memory
1.
Question:Carry digital information
throughout the chip and computer:
Clocks
2. Registers
3. Circuit
4. Buses
1.
Question:Which of the following
statements is FALSE?
1.
2.
3.
4.
SRAM is used for cache
DRAM is used for normal
primary memory
SDRAM is replacing EDO
RAM in most new computer
DRAM is used for cache
memory
Question:
People who want to troubleshoot hardware and
software problems study and obtain a(n) ...
+
1. A
certificate
2. B.Sc degree
+
3. B certificate
4. CNE
Question:Cache memory ...
1.
2.
3.
4.
Is special high speed memory
designed to accelerate
processing instructions to CPU.
Carry signals that tell memory
if the CPU wants to read or
write
Decode the instruction
Convert signal into digital
format
Question:Unit of measurement, composed
of bits and bytes, that can be stored in one
memory location name:
1.
2.
3.
4.
Bit
Word
Byte
Kb
Question:The instruction cycle involves:
A. Fetching the next instruction to be executed
from memory to the CPU.
B. Control unit decodes the instruction.
C. Data is transferrred.
D. The instruction is executed.
1.
2.
3.
4.
A, B, C, D
B, C, D, A
D, A, B, C
C, B, D, A
Question:Which type of ROM is being referred to?The BIOS on this ROM can be upgraded by
making used of software (flashing):
PROM
2. EPROM
3. ROM
4. EEPROM
1.
Question:What is being referred to? - An
electronic pathway along which signals can
be sent from one part of a computer to
another.
1.Cache
2.Slot
3.Wire
4.Bus
Question:
Component of the CPU that decodes,
synchronises and executes program instructions:
Arithmetric/logic
unit
2. SIMN
3. Control unit
4. BIOS
1.
Question:Set of wires running from
the CPU to RAM:
City Tramways bus
2. Data bus
3. Address bus
4. System bus
1.
Question:If you had an internal modem,
into which part of the motherboard
would you slot the card?
SIMM
2. Expansion slot
3. Central processing
unit
1.
Question:The fastest type of video
cards suitable for the latest version of
Quake:
3D
2. 2 D
3. AGP
4. Standard
1.
Question:Most sound cards use the ...
connection slots:
ISA
2. USB
3. SCSI
4. PCI
1.
Question: The extension of a sound
file:
.avi
2. .wav
3. .jpg
4. .midi
1.
Question: CPU processing
functions regulator that produces a
pulse at regular intervals:
Cache
2. Bus
3. Megahertz
4. System clock
1.
Question:
Read-write heads, platters and
single access arms are found in ...
ROM
2. Hard drives
3. Packets
4. Cylinders
1.
Question:What implications does
video editing have on secondary
storage?
1. Make no difference
2. Need great deal of secondary
storage space
3. Uses space more efficently
and helps reduce the size of
secondary storage.
4. Impossible to store on a home
Question:Which of the following
architecture features did these
Internet journalists require?
1.
2.
3.
4.
Large amounts of RAM, fast
processor and good video
card
Fast processor,sound card
and large screen
Good web program
Voiced activated software
Question:... memory is volatile.
External
2. Secondary
3. ROM
4. RAM
1.
Question:Bus that connects the CPU
and memory, providing a pathway to
the computer's peripherals:
Data bus
2. Address bus
3. System bus
4. Golden Arrow bus
1.
Question:
The computer platform which
developed the GUI interface:
IBM
2. Apple
3. Acorn
4. BBC
1.
Question:The smallest unit of
information that a computer can
handle:
Byte
2. Bit
3. Word
4. Mb
1.
Question:The video card directly influences
... The video card directly influences ...
1.
2.
3.
4.
A virtual community
The quality of gaphics and
color on a screen
Download speed from the
internet
Virtual memory
Question: of a computer refers to the unique
combination of hardware components that
will meet the requirements of a user.
Latency
2. Configuration
3. Plug and play
4. Interfacing
1.
Question:Bus system that has
expansion slots on the
motherboard:
Open bus system
2. Close bus system
3. System clock
4. System 7
1.