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Worksheetsict 1-50
Total questions: 50
Worksheet time: 25mins
Relevance, objectivity, completeness are the properties of :
Macromedia
Information
Informatics
Multimedia
Central Processing Unit - the "brain" of the computer is the part of the
There is no right answer
Monitor
Motherboard
Keyboard
The speed of information processing in the computer depends on:
External memory
ROM
RAM
Clock frequency
When the computer turns off, the information is erased from:
the permanent memory
FLOPPY DISK
RAM
HARD DISK
Which of the following should only be used for temporary data storage?
3.5inch floppy disk
Hard drive
Random access memory
Rewriteable CD
What is the width: height ratio of a traditional computer monitor?
9:16
5:2
4:3
16:9
Which of these five does NOT comprise a part of the system bus?
Data bus
Address bus
Logic bus
Control bus
What is the correct definition of the term 'CISC'?
Central Immediate Source Construct
Control Independent System Computer
Complex Instruction Set Computers
Continual Input System Computer
Where does the control unit look in order to find the address of the next instruction to be fetched?
Accumulator (ACC)
Memory Buffer Register (MBR)
Memory Address Register (MAR)
Instruction Register (IR)
Types of computer system
RAM and ROM
Input, output and storage devices
Laptop, PDA, tablet PC
Hardware and software
With indirect addressing, how many memory lookups are need to obtain the required data?
One
Zero
Two
Three
What does CPU stand for?
Central pipelining unit
Computer processing unit
Central processing unit
Core processing unit
When was the first commercial microprocessor introduced?
2001
1981
1971
1961
Out of what material are computer chips made?
Fibre
Olestra
Silicon
Plastic
The width of the smallest wire on a computer chip is typically measured in:
Centimeter
Nanometers
Millimeters
Microns
Which of the following is not part of a computer chip's job?
Moving data from one memory location to another
Performing mathematical operations
Starting up the computer
Follow sets of instructions
What does ROM stand for?
Random access memory
Read-on memory
Random-only memory
Read-only memory
About how much address space can a 64-bit microprocessor access?
2 billion GB
1 billion GB
4 GB
1,000 GB
How many transistors are included in the Intel Core i7 processor, introduced in 2008?
25 million
73 million
731 million
7 million
The CPU is included on a central component of the computer known as:
modem
the command center
the motherboard
the BIOS adapter
The memory that a CPU can use directly is called:
external memory
direct access memory
cache memory
clock memory
Which type of CPU was used in the first IBM personal computer?
All answers are correct
32-bit
16-bit
8-bit
The first commercial processor was used in:
mobile phone
the Apple Macintosh
the ENIAC computer Apple Macintosh
a programmable business calculator
Which of these is an important manufacturer of CPU chips?
Hitachi
HP
AMD
ADM
In what year was introduced the original PC, used an 16-bit processor, but it only had an 8-bit bus to carry the data.
1941
1961
1971
1981
In what year Intel Corp. created its 4004 programmable chip for calculators
1951
1961
1971
1981
What designates the register DS?
Base register
Accumulator
Counting register
Data segment register
What designates the register CS?
Destiny index register
Source index register
Code segment register
Base pointers register
What designates the register BP?
Destiny index register
Source index register
Base pointers register
Code segment register
What designates the register SI?
Destiny index register
Base pointers register
Source index register
Code segment register
What designates the register DI?
Code segment register
Source index register
Destiny index register
Base pointers register
What designates the register IP?
Source index register
Destiny index register
Next instruction pointer register
Code segment register
What designates the register F?
Destiny index register
Code segment register
Flag register
Next register
Which device carries out the instructions of a computer program by performing the basic arithmetical, logical, and input/output operations of the system?
address bus
system unit
central processor unit
motherboard bus
When the term “central processor unit” has been in use in the computer industry?
since 1950s
since 1980s
since 1960s
since 1970s
What part of the CPU does not execute program instructions; rather, it directs other parts of the system to do so.
The system bus
The memory
The control unit
The arithmetic/logic unit
What is the main circuit of a computer?
Scanner
Modem
Motherboard
Microprocessor
Which of the following has the highest capacity?
CD-ROM
DVD-ROM
Hard disk
3.5inch floppy disk
Which of the following has the lowest capacity?
DVD-ROM
CD-ROM
3.5inch floppy disk
Hard drive
Which of the following is essentially a magnetic disk on which large amounts of data can be stored?
DVD-ROM
CD-ROM
Hard disk
Floppy disk
What device is used for shorter term data storage?
DVD-ROM
CD-ROM
Random Access Memory
Hard disk and Floppy disk
How also we call microprocessor?
Memory (Personal computer)
PC (Personal computer)
CPU (Control Processing Unit)
Motherboard
What unit / device is used to decode the instructions?
Control logic unit
Clock
Decoder
Timer
What unit is used to hold the result of operations performed by the arithmetic and logic unit
Program
Counter
Accumulator
Decoder
The flag register is specially designed to contain all the appropriate … status flags
16-bit
8-bit
1-bi
t
2-bit
Which device controls the movement of instructions in?
System bus
Register array
CU
ALU
Which of the following devices should sometimes referred to as the “brain” of the PC?
Printer
Modem
Processor
Monitor
Which of the following devices has the special key such as the arrow keys, escape, shift, etc, which are used for performing more complete functions?
Scanner
Joystick
Keyboard
Mouse
Which of the following devices would be commonly used to allow the user to access the internet and as such browse the world wide web and send e-mail?
Monitor
Scanner
Modem
Printer
Which of the following chips is more expensive?
IBP PC
IBM
CISC
ENIAC
