WorksheetsTm103
Total questions: 18
Worksheet time: 19mins
Which of the following is not a CPU component?
A main memory.
A program counter.
A control unit.
An arithmetic logic unit.
Which of the following storage devices is the smallest storage area?
Registers.
Cache memories.
Mine memories.
Hard disk.
The Von Neumann architecture consists of three hardware systems, one of the following does not make a part of these systems.
CUP.
Cache memory.
Main memory
Input/Output systems
In a ــــــــــــــــــ computer systems, when adding two numbers the last carry is not discarded.
Complement 1
Complement 2
Signed magnitude
None of the above
What is the octal equivalent of the following binary number: 11000101 ?
197
612
305
None of the above
what power of 10 does the prefix giga-refer?
3
6
9
12
A hard drive speed is measured by ……………. unit.
RPS.
Byte.
Bit.
RPM.
Which of the following architectures is predominant in today’s general- purpose computers?
Von Neumann.
Multi-tasking.
Milt-threading.
Multi-tasking and Milt-threading.
The newest integration scale used in computer is ……………….. .
VLSI
SSI
MSI
LSI
Which of the following is not correct:
A multiplexer select binary information from one of many input line and directs it to single output line
A multiplexer select binary information from one of many output lines and directs it to a single input line
A decoder uses the input and their respective values to select one specific output line
A decoder binary information from a set of “n” input to a maximum of 2^n output
Which of the following is a universal gate?
NAND
AND
OR
NOT
If a carry out of the leftmost bit occurs in an addition of two signed numbers using the 2’s complement:
It will be added to the sum.
It will be deducted from the result.
It will be discarded.
None of the above.
Which of the following is true about combinational circuits?
They produce a specified output at the instant when input values are applied.
They change their output value with consideration to their current state.
They use Feedback.
Both b & c
Two expressions that can be represented by the same truth table are considered :
logically equivalent
canonical
logically complement
None of the above
The following numbers represents the clock cycle time (in Nano seconds) for four different CPUs. Which of these values indicates the slowest CPU?
0.01 ns.
1 ns.
0.001 ns.
0.1 ns.
Which of the following devices is connected directly to the CPU?
Main memory.
Card readers.
Mice.
Mice and card readers.
The ……........... of a bus contain information about the location that the data should be either read from or written to.
control lines
data lines
address lines
power lines
Convert the following decimal fraction to binary with a maximum of four places to the right of the binary point: 57.55. Show your conversion steps clearly
