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Worksheets

flip class 1

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Find the result of following binary arithmetic: 11011011 + 00010010

a)

11011011

b)

11101101

c)

10101011

d)

11001100

2.

Which logic gate is used to compare the sign of numbers in signed magnitude data?

a)

AND

b)

OR

c)

XOR

d)

NOR

3.

Which operation will be performed ,If you are subtracting two numbers (signed magnitude), and their signs are identical

a)

addition

b)

subtraction

c)

add with carry

d)

subtract with borrow

4.

Perform the arithmetic operation (+42) + (-13) in binary using signed 2's complement representation for negative numbers.

a)

11100010

b)

11100011

c)

00101010

d)

00011101

5.

Perform the arithmetic operation (-42)-(-13) in binary using signed 2's complement representation for negative numbers.

a)

11100011

b)

00011101

c)

11001100

d)

11100010

6.

If A-B operation is performed and a carry is generated. What it tells-

a)

A<B

b)

A>=B

c)

A!=B

d)

A==B

7.

Which of the following addressing modes are suitable for program relocation at run time?

(i) Immediate

(ii) Base

(iii) Index

(iv) Direct

a)

(i) (ii)

b)

(ii) (iii)

c)

(iii)(iv)

d)

(i)(iv)

8.

The PC contains the number 150 and address part of instruction contains 58. What will be the effective address for relative addressing mode.

a)

208

b)

209

c)

210

d)

211

9.

For register addressing modes, how many registers can be specified by a K bit field

a)

K

b)

2^K

c)

2K

d)

2K+1

10.

What is Effective address?

a)

Address part of instruction + Content of CPU register

b)

Content of PC

c)

Address part of CPU + content of PC

d)

Content of IR